Released version 4.2.3

Co-authored-by: Miloslav Hůla <miloslav.hula@fsv.cvut.cz>

.gitattributes

@@ -2,5 +2,9 @@
 .gitignore export-ignore
 .github export-ignore
 .travis.yml export-ignore
-appveyor.yml export-ignore
+ecs.php export-ignore
+phpstan.neon export-ignore
 tests/ export-ignore
+
+*.sh eol=lf
+*.php* diff=php linguist-language=PHP

.github/ISSUE_TEMPLATE/Support_us.md

@@ -6,14 +6,12 @@ about: "If you would like to support our efforts in maintaining this project
 
 --------------^ Click "Preview" for a nicer view!
 
-> https://nette.org/donate
-
 Help support Dibi!
 
 We develop Dibi for more than 14 years. In order to make your life more comfortable. Dibi cares about the safety of your sites. Dibi saves you time. Dibi earns you money. And is absolutely free.
 
 To ensure future development and improving the documentation, we need your donation.
 
-[Please make a donation now](https://nette.org/donate).
+**[Please make a donation now](https://nette.org/make-donation?to=dibi)**.
 
 Thank you!

.github/funding.yml

@@ -0,0 +1 @@
+github: dg

.github/workflows/coding-style.yml

@@ -0,0 +1,31 @@
+name: Coding Style
+
+on: [push, pull_request]
+
+jobs:
+    nette_cc:
+        name: Nette Code Checker
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: shivammathur/setup-php@v2
+              with:
+                  php-version: 8.0
+                  coverage: none
+
+            - run: composer create-project nette/code-checker temp/code-checker ^3 --no-progress
+            - run: php temp/code-checker/code-checker --strict-types --no-progress --ignore "tests/*/fixtures"
+
+
+    nette_cs:
+        name: Nette Coding Standard
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: shivammathur/setup-php@v2
+              with:
+                  php-version: 8.0
+                  coverage: none
+
+            - run: composer create-project nette/coding-standard temp/coding-standard ^3 --no-progress --ignore-platform-reqs
+            - run: php temp/coding-standard/ecs check

.github/workflows/static-analysis.yml

@@ -0,0 +1,21 @@
+name: Static Analysis (only informative)
+
+on:
+    push:
+        branches:
+          - master
+
+jobs:
+    phpstan:
+        name: PHPStan
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v2
+            - uses: shivammathur/setup-php@v2
+              with:
+                  php-version: 8.0
+                  coverage: none
+
+            - run: composer install --no-progress --prefer-dist
+            - run: composer phpstan -- --no-progress
+              continue-on-error: true # is only informative

.github/workflows/tests.yml

@@ -0,0 +1,121 @@
+name: Tests
+
+on: [push, pull_request]
+
+env:
+    php-extensions: mbstring, intl, mysqli, pgsql, sqlsrv-5.9.0preview1, pdo_sqlsrv-5.9.0preview1
+    php-tools: "composer:v2, pecl"
+
+jobs:
+    tests:
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                php: ['7.2', '7.3', '7.4', '8.0']
+
+            fail-fast: false
+
+        name: PHP ${{ matrix.php }} tests
+
+        services:
+            mysql57:
+                image: mysql:5.7
+                env:
+                    MYSQL_DATABASE: dibi_test
+                    MYSQL_ROOT_PASSWORD: root
+                ports:
+                    - 3306:3306
+                options: >-
+                    --health-cmd "mysqladmin ping -ppass"
+                    --health-interval 10s
+                    --health-start-period 10s
+                    --health-timeout 5s
+                    --health-retries 10
+
+            mysql80:
+                image: mysql:8.0
+                ports:
+                    - 3307:3306
+                options: >-
+                    --health-cmd="mysqladmin ping -ppass"
+                    --health-interval=10s
+                    --health-timeout=5s
+                    --health-retries=5
+                    -e MYSQL_ROOT_PASSWORD=root
+                    -e MYSQL_DATABASE=dibi_test
+                    --entrypoint sh mysql:8 -c "exec docker-entrypoint.sh mysqld --default-authentication-plugin=mysql_native_password"
+
+            postgres96:
+                image: postgres:9.6
+                env:
+                    POSTGRES_USER: postgres
+                    POSTGRES_PASSWORD: postgres
+                    POSTGRES_DB: dibi_test
+                ports:
+                    - 5432:5432
+                options: >-
+                    --health-cmd pg_isready
+                    --health-interval 10s
+                    --health-timeout 5s
+                    --health-retries 5
+
+            postgres13:
+                image: postgres:13
+                env:
+                    POSTGRES_USER: postgres
+                    POSTGRES_PASSWORD: postgres
+                    POSTGRES_DB: dibi_test
+                ports:
+                    - 5433:5432
+                options: >-
+                    --health-cmd pg_isready
+                    --health-interval 10s
+                    --health-timeout 5s
+                    --health-retries 5
+
+            mssql:
+                image: mcr.microsoft.com/mssql/server:latest
+                env:
+                    ACCEPT_EULA: Y
+                    SA_PASSWORD: YourStrong!Passw0rd
+                    MSSQL_PID: Developer
+                ports:
+                    - 1433:1433
+                options: >-
+                    --name=mssql
+                    --health-cmd "/opt/mssql-tools/bin/sqlcmd -S localhost -U SA -P 'YourStrong!Passw0rd' -Q 'SELECT 1'"
+                    --health-interval 10s
+                    --health-timeout 5s
+                    --health-retries 5
+
+        steps:
+            - uses: actions/checkout@v2
+            - uses: shivammathur/setup-php@v2
+              with:
+                  php-version: ${{ matrix.php }}
+                  extensions: ${{ env.php-extensions }}
+                  tools: ${{ env.php-tools }}
+                  coverage: none
+
+            - name: Create databases.ini
+              run: cp ./tests/databases.github.ini ./tests/databases.ini
+
+            - name: Create MS SQL Database
+              run: docker exec -i mssql /opt/mssql-tools/bin/sqlcmd -S localhost -U SA -P 'YourStrong!Passw0rd' -Q 'CREATE DATABASE dibi_test'
+
+            - run: composer install --no-progress --prefer-dist
+            - run: vendor/bin/tester -p phpdbg tests -s -C --coverage ./coverage.xml --coverage-src ./src
+            - if: failure()
+              uses: actions/upload-artifact@v2
+              with:
+                  name: output
+                  path: tests/**/output
+
+
+            - name: Save Code Coverage
+              if: ${{ matrix.php == '8.0' }}
+              env:
+                  COVERALLS_REPO_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+              run: |
+                  wget https://github.com/php-coveralls/php-coveralls/releases/download/v2.4.3/php-coveralls.phar
+                  php php-coveralls.phar --verbose --config tests/.coveralls.yml

.travis.yml

@@ -1,60 +0,0 @@
-language: php
-php:
-    - 7.1
-    - 7.2
-
-before_install:
-    # turn off XDebug
-    - phpenv config-rm xdebug.ini || return 0
-
-    # Create databases.ini
-    - cp ./tests/databases.travis.ini ./tests/databases.ini
-
-    # Create Postgre database
-    - psql -c 'CREATE DATABASE dibi_test' -U postgres
-
-install:
-    - travis_retry composer install --no-progress --prefer-dist
-
-script:
-    - vendor/bin/tester tests -s
-
-after_failure:
-    # Print *.actual content
-    - for i in $(find tests -name \*.actual); do echo "--- $i"; cat $i; echo; echo; done
-
-jobs:
-    include:
-        -   stage: Code Standard Checker
-            php: 7.1
-            install:
-                # Install Nette Code Checker
-                - travis_retry composer create-project nette/code-checker temp/code-checker ~2 --no-progress
-                # Install Nette Coding Standard
-                - travis_retry composer create-project nette/coding-standard temp/coding-standard --no-progress
-            script:
-                - php temp/code-checker/src/code-checker.php --short-arrays --strict-types
-                - php temp/coding-standard/ecs check src tests examples --config tests/coding-standard.neon
-
-
-        -   stage: Code Coverage
-            script:
-                - vendor/bin/tester -p phpdbg tests -s --coverage ./coverage.xml --coverage-src ./src
-            after_script:
-                - wget https://github.com/satooshi/php-coveralls/releases/download/v1.0.1/coveralls.phar
-                - php coveralls.phar --verbose --config tests/.coveralls.yml
-
-
-    allow_failures:
-        -   php: 7.2
-        -   stage: Code Coverage
-
-
-sudo: false
-
-cache:
-    directories:
-        - $HOME/.composer/cache
-
-notifications:
-    email: false

appveyor.yml

@@ -15,17 +15,17 @@ init:
     - SET ANSICON=121x90 (121x90)
 
 install:
-    # Install PHP 7.1
+    # Install PHP 7.2
     - IF EXIST c:\php7 (SET PHP=0) ELSE (SET PHP=1)
     - IF %PHP%==1 mkdir c:\php7
     - IF %PHP%==1 cd c:\php7
-    - IF %PHP%==1 curl https://windows.php.net/downloads/releases/archives/php-7.1.5-Win32-VC14-x64.zip --output php.zip
+    - IF %PHP%==1 curl https://windows.php.net/downloads/releases/archives/php-7.2.18-Win32-VC15-x64.zip --output php.zip
     - IF %PHP%==1 7z x php.zip >nul
     - IF %PHP%==1 echo extension_dir=ext >> php.ini
     - IF %PHP%==1 echo extension=php_openssl.dll >> php.ini
-    - IF %PHP%==1 appveyor DownloadFile https://files.nette.org/misc/php-sqlsrv.zip
-    - IF %PHP%==1 7z x php-sqlsrv.zip >nul
-    - IF %PHP%==1 copy SQLSRV\php_sqlsrv_71_ts.dll ext\php_sqlsrv_71_ts.dll
+    - IF %PHP%==1 curl https://github.com/microsoft/msphpsql/releases/download/v5.8.0/Windows-7.2.zip -L --output sqlsrv.zip
+    - IF %PHP%==1 7z x sqlsrv.zip >nul
+    - IF %PHP%==1 copy Windows-7.2\x64\php_sqlsrv_72_ts.dll ext\php_sqlsrv_ts.dll
     - IF %PHP%==1 del /Q *.zip
 
     # Install Microsoft Access Database Engine x64

composer.json

@@ -3,7 +3,7 @@
 	"description": "Dibi is Database Abstraction Library for PHP",
 	"keywords": ["database", "dbal", "mysql", "postgresql", "sqlite", "mssql", "sqlsrv", "oracle", "access", "pdo", "odbc"],
 	"homepage": "https://dibiphp.com",
-	"license": ["BSD-3-Clause", "GPL-2.0", "GPL-3.0"],
+	"license": ["BSD-3-Clause", "GPL-2.0-only", "GPL-3.0-only"],
 	"authors": [
 		{
 			"name": "David Grudl",
@@ -11,11 +11,13 @@
 		}
 	],
 	"require": {
-		"php": ">=7.1"
+		"php": ">=7.2"
 	},
 	"require-dev": {
 		"tracy/tracy": "~2.2",
-		"nette/tester": "~2.0"
+		"nette/tester": "~2.0",
+		"nette/di": "^3.0",
+		"phpstan/phpstan": "^0.12"
 	},
 	"replace": {
 		"dg/dibi": "*"
@@ -23,9 +25,13 @@
 	"autoload": {
 		"classmap": ["src/"]
 	},
+	"scripts": {
+		"phpstan": "phpstan analyse",
+		"tester": "tester tests -s"
+	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "4.0-dev"
+			"dev-master": "4.2-dev"
 		}
 	}
 }

ecs.php

@@ -0,0 +1,21 @@
+<?php
+
+/**
+ * Rules for Nette Coding Standard
+ * https://github.com/nette/coding-standard
+ */
+
+declare(strict_types=1);
+
+
+return function (Symfony\Component\DependencyInjection\Loader\Configurator\ContainerConfigurator $containerConfigurator): void {
+	$containerConfigurator->import(PRESET_DIR . '/php71.php');
+
+	$parameters = $containerConfigurator->parameters();
+
+	$parameters->set('skip', [
+		// issue #260
+		PhpCsFixer\Fixer\Operator\TernaryToNullCoalescingFixer::class => ['src/Dibi/HashMap.php'],
+		SlevomatCodingStandard\Sniffs\ControlStructures\RequireNullCoalesceOperatorSniff::class => ['src/Dibi/HashMap.php'],
+	]);
+};

examples/connecting-to-databases.php

@@ -16,7 +16,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 echo '<p>Connecting to Sqlite: ';
 try {
 	dibi::connect([
-		'driver' => 'sqlite3',
+		'driver' => 'sqlite',
 		'database' => 'data/sample.s3db',
 	]);
 	echo 'OK';
@@ -30,7 +30,7 @@ echo "</p>\n";
 echo '<p>Connecting to Sqlite: ';
 try {
 	$connection = new Dibi\Connection([
-		'driver' => 'sqlite3',
+		'driver' => 'sqlite',
 		'database' => 'data/sample.s3db',
 	]);
 	echo 'OK';

examples/database-reflection.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/dumping-sql-and-result-set.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/fetching-examples.php

@@ -15,7 +15,7 @@ Tracy\Debugger::enable();
 <?php
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/importing-dump-from-file.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/query-language-and-conditions.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/query-language-basic-examples.php

@@ -15,7 +15,7 @@ date_default_timezone_set('Europe/Prague');
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/result-set-data-types.php

@@ -19,7 +19,7 @@ date_default_timezone_set('Europe/Prague');
 <?php
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/tracy-and-exceptions.php

@@ -11,7 +11,7 @@ Tracy\Debugger::enable();
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/tracy.php

@@ -11,7 +11,7 @@ Tracy\Debugger::enable();
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/using-datetime.php

@@ -16,7 +16,7 @@ date_default_timezone_set('Europe/Prague');
 
 // CHANGE TO REAL PARAMETERS!
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 	'formatDate' => "'Y-m-d'",
 	'formatDateTime' => "'Y-m-d H-i-s'",

examples/using-fluent-syntax.php

@@ -15,7 +15,7 @@ date_default_timezone_set('Europe/Prague');
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/using-limit-and-offset.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/using-logger.php

@@ -15,11 +15,12 @@ date_default_timezone_set('Europe/Prague');
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 	// enable query logging to this file
 	'profiler' => [
 		'file' => 'log/log.sql',
+		'errorsOnly' => false,
 	],
 ]);
 

examples/using-substitutions.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

examples/using-transactions.php

@@ -13,7 +13,7 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {
 
 
 $dibi = new Dibi\Connection([
-	'driver' => 'sqlite3',
+	'driver' => 'sqlite',
 	'database' => 'data/sample.s3db',
 ]);
 

phpstan.neon

@@ -0,0 +1,9 @@
+parameters:
+	level: 5
+
+	paths:
+		- src
+
+	ignoreErrors:
+		# The namespace is referenced, not the class.
+		- '#Class dibi referenced with incorrect case: Dibi#'

readme.md

@@ -1,8 +1,8 @@
-[Dibi](https://dibiphp.com) - smart database layer for PHP  [![Buy me a coffee](https://files.nette.org/images/coffee1s.png)](https://www.paypal.com/cgi-bin/webscr?cmd=_s-xclick&hosted_button_id=9XXL5ZJHAYQUN)
+[Dibi](https://dibiphp.com) - smart database layer for PHP  [![Buy me a coffee](https://files.nette.org/images/coffee1s.png)](https://nette.org/make-donation?to=dibi)
 =========================================================
 
 [![Downloads this Month](https://img.shields.io/packagist/dm/dibi/dibi.svg)](https://packagist.org/packages/dibi/dibi)
-[![Build Status](https://travis-ci.org/dg/dibi.svg?branch=master)](https://travis-ci.org/dg/dibi)
+[![Tests](https://github.com/dg/dibi/workflows/Tests/badge.svg?branch=master)](https://github.com/dg/dibi/actions)
 [![Build Status Windows](https://ci.appveyor.com/api/projects/status/github/dg/dibi?branch=master&svg=true)](https://ci.appveyor.com/project/dg/dibi/branch/master)
 [![Latest Stable Version](https://poser.pugx.org/dibi/dibi/v/stable)](https://github.com/dg/dibi/releases)
 [![License](https://img.shields.io/badge/license-New%20BSD-blue.svg)](https://github.com/dg/dibi/blob/master/license.md)
@@ -15,6 +15,16 @@ Database access functions in PHP are not standardised. This library
 hides the differences between them, and above all, it gives you a very handy interface.
 
 
+Support Me
+----------
+
+Do you like Dibi? Are you looking forward to the new features?
+
+[![Buy me a coffee](https://files.nette.org/icons/donation-3.svg)](https://github.com/sponsors/dg)
+
+Thank you!
+
+
 Installation
 ------------
 
@@ -24,7 +34,7 @@ Install Dibi via Composer:
 composer require dibi/dibi
 ```
 
-The Dibi 4.0 requires PHP version 7.1 and supports PHP up to 7.2. Older Dibi 3.x requires PHP 5.4 and supports PHP up to 7.2.
+The Dibi 4.2 requires PHP version 7.2 and supports PHP up to 8.0.
 
 
 Usage
@@ -40,11 +50,11 @@ The database connection is represented by the object `Dibi\Connection`:
 
 ```php
 $database = new Dibi\Connection([
-    'driver'   => 'mysqli',
-    'host'     => 'localhost',
-    'username' => 'root',
-    'password' => '***',
-    'database' => 'table',
+	'driver'   => 'mysqli',
+	'host'     => 'localhost',
+	'username' => 'root',
+	'password' => '***',
+	'database' => 'table',
 ]);
 
 $result = $database->query('SELECT * FROM users');
@@ -54,12 +64,12 @@ Alternatively, you can use the `dibi` static register, which maintains a connect
 
 ```php
 dibi::connect([
-    'driver'   => 'mysqli',
-    'host'     => 'localhost',
-    'username' => 'root',
-    'password' => '***',
-    'database' => 'test',
-    'charset'  => 'utf8',
+	'driver'   => 'mysqli',
+	'host'     => 'localhost',
+	'username' => 'root',
+	'password' => '***',
+	'database' => 'test',
+	'charset'  => 'utf8',
 ]);
 
 $result = dibi::query('SELECT * FROM users');
@@ -73,6 +83,8 @@ In the event of a connection error, it throws `Dibi\Exception`.
 
 We query the database queries by the method `query()` which returns `Dibi\Result`. Rows are objects `Dibi\Row`.
 
+You can try all the examples [online at the playground](https://repl.it/@DavidGrudl/dibi-playground).
+
 ```php
 $result = $database->query('SELECT * FROM users');
 
@@ -108,7 +120,7 @@ $ids = [10, 20, 30];
 $result = $database->query('SELECT * FROM users WHERE id IN (?)', $ids);
 ```
 
-**WARNING, never concencate parameters to SQL, the vulnerability would arise [SQL injection](https://en.wikipedia.org/wiki/SQL_injection)**
+**WARNING: Never concatenate parameters to SQL. It would create a [SQL injection](https://en.wikipedia.org/wiki/SQL_injection)** vulnerability.
 ```
 $result = $database->query('SELECT * FROM users WHERE id = ' . $id); // BAD!!!
 ```
@@ -145,7 +157,7 @@ $name = $database->fetchSingle('SELECT name FROM users WHERE id = ?', $id);
 
 ### Modifiers
 
-In addition to the `?` wild char, we can also use modifiers:
+In addition to the `?` wildcard char, we can also use modifiers:
 
 | modifier | description
 |----------|-----
@@ -159,6 +171,7 @@ In addition to the `?` wild char, we can also use modifiers:
 | %d | date (accepts DateTime, string or UNIX timestamp)
 | %dt | datetime (accepts DateTime, string or UNIX timestamp)
 | %n | identifier, ie the name of the table or column
+| %N | identifier, treats period as a common character, ie alias or a database name (`%n AS %N` or `DROP DATABASE %N`)
 | %SQL | SQL - directly inserts into SQL (the alternative is Dibi\Literal)
 | %ex | SQL expression or array of expressions
 | %lmt | special - adds LIMIT to the query
@@ -180,7 +193,7 @@ $result = $database->query('SELECT * FROM users WHERE id IN (%i)', $ids);
 // SELECT * FROM users WHERE id IN (10, 20, 30)
 ```
 
-The modifier '%n' is used if the table or column name is a variable. (Beware, do not allow the user to manipulate the content of such a variable):
+The modifier `%n` is used if the table or column name is a variable. (Beware, do not allow the user to manipulate the content of such a variable):
 
 ```php
 $table = 'blog.users';
@@ -196,6 +209,7 @@ Three special modifiers are available for LIKE:
 | `%like~` | the expression starts with a string
 | `%~like` | the expression ends with a string
 | `%~like~` | the expression contains a string
+| `%like` | the expression matches a string
 
 Search for names beginning with a string:
 
@@ -223,8 +237,8 @@ Example:
 
 ```php
 $arr = [
-    'a' => 'hello',
-    'b'  => true,
+	'a' => 'hello',
+	'b'  => true,
 ];
 
 $database->query('INSERT INTO table %v', $arr);
@@ -496,7 +510,7 @@ $all = $result->fetchAssoc('customer_id|order_id');
 // we will iterate like this:
 foreach ($all as $customerId => $orders) {
    foreach ($orders as $orderId => $order) {
-       ...
+	   ...
    }
 }
 ```
@@ -528,7 +542,7 @@ $all = $result->fetchAssoc('name[]order_id');
 // we get all the Arnolds in the results
 foreach ($all['Arnold Rimmer'] as $arnoldOrders) {
    foreach ($arnoldOrders as $orderId => $order) {
-       ...
+	   ...
    }
 }
 ```
@@ -542,8 +556,8 @@ foreach ($all as $customerId => $orders) {
    echo "Customer $customerId":
 
    foreach ($orders as $orderId => $order) {
-       echo "ID number: $order->number";
-       // customer name is in $order->name
+	   echo "ID number: $order->number";
+	   // customer name is in $order->name
    }
 }
 ```
@@ -565,7 +579,7 @@ foreach ($all as $customerId => $row) {
    echo "Customer $row->name":
 
    foreach ($row->order_id as $orderId => $order) {
-       echo "ID number: $order->number";
+	   echo "ID number: $order->number";
    }
 }
 ```

src/Dibi/Bridges/Nette/DibiExtension22.php

@@ -51,7 +51,7 @@ class DibiExtension22 extends Nette\DI\CompilerExtension
 		}
 
 		$connection = $container->addDefinition($this->prefix('connection'))
-			->setClass(Dibi\Connection::class, [$config])
+			->setFactory(Dibi\Connection::class, [$config])
 			->setAutowired($config['autowired'] ?? true);
 
 		if (class_exists(Tracy\Debugger::class)) {
@@ -62,7 +62,7 @@ class DibiExtension22 extends Nette\DI\CompilerExtension
 		}
 		if ($useProfiler) {
 			$panel = $container->addDefinition($this->prefix('panel'))
-				->setClass(Dibi\Bridges\Tracy\Panel::class, [
+				->setFactory(Dibi\Bridges\Tracy\Panel::class, [
 					$config['explain'] ?? true,
 					isset($config['filter']) && $config['filter'] === false ? Dibi\Event::ALL : Dibi\Event::QUERY,
 				]);

src/Dibi/Bridges/Tracy/Panel.php

@@ -45,7 +45,7 @@ class Panel implements Tracy\IBarPanel
 	public function register(Dibi\Connection $connection): void
 	{
 		Tracy\Debugger::getBar()->addPanel($this);
-		Tracy\Debugger::getBlueScreen()->addPanel([__CLASS__, 'renderException']);
+		Tracy\Debugger::getBlueScreen()->addPanel([self::class, 'renderException']);
 		$connection->onEvent[] = [$this, 'logEvent'];
 	}
 
@@ -105,6 +105,15 @@ class Panel implements Tracy\IBarPanel
 		}
 
 		$totalTime = $s = null;
+
+		$singleConnection = reset($this->events)->connection;
+		foreach ($this->events as $event) {
+			if ($event->connection !== $singleConnection) {
+				$singleConnection = null;
+				break;
+			}
+		}
+
 		foreach ($this->events as $event) {
 			$totalTime += $event->time;
 			$connection = $event->connection;
@@ -112,7 +121,9 @@ class Panel implements Tracy\IBarPanel
 			if ($this->explain && $event->type === Event::SELECT) {
 				$backup = [$connection->onEvent, \dibi::$numOfQueries, \dibi::$totalTime];
 				$connection->onEvent = null;
-				$cmd = is_string($this->explain) ? $this->explain : ($connection->getConfig('driver') === 'oracle' ? 'EXPLAIN PLAN FOR' : 'EXPLAIN');
+				$cmd = is_string($this->explain)
+					? $this->explain
+					: ($connection->getConfig('driver') === 'oracle' ? 'EXPLAIN PLAN FOR' : 'EXPLAIN');
 				try {
 					$explain = @Helpers::dump($connection->nativeQuery("$cmd $event->sql"), true);
 				} catch (Dibi\Exception $e) {
@@ -120,7 +131,7 @@ class Panel implements Tracy\IBarPanel
 				[$connection->onEvent, \dibi::$numOfQueries, \dibi::$totalTime] = $backup;
 			}
 
-			$s .= '<tr><td>' . number_format($event->time * 1000, 3, '.', ' ');
+			$s .= '<tr><td data-order="' . $event->time . '">' . number_format($event->time * 1000, 3, '.', ' ');
 			if ($explain) {
 				static $counter;
 				$counter++;
@@ -132,10 +143,13 @@ class Panel implements Tracy\IBarPanel
 				$s .= "<div id='tracy-debug-DibiProfiler-row-$counter' class='tracy-collapsed'>{$explain}</div>";
 			}
 			if ($event->source) {
-				$s .= Tracy\Helpers::editorLink($event->source[0], $event->source[1]);//->class('tracy-DibiProfiler-source');
+				$s .= Tracy\Helpers::editorLink($event->source[0], $event->source[1]); //->class('tracy-DibiProfiler-source');
 			}
 
-			$s .= "</td><td>{$event->count}</td></tr>";
+			$s .= "</td><td>{$event->count}</td>";
+			if (!$singleConnection) {
+				$s .= '<td>' . htmlspecialchars($this->getConnectionName($connection)) . '</td></tr>';
+			}
 		}
 
 		return '<style> #tracy-debug td.tracy-DibiProfiler-sql { background: white !important }
@@ -143,12 +157,21 @@ class Panel implements Tracy\IBarPanel
 			#tracy-debug tracy-DibiProfiler tr table { margin: 8px 0; max-height: 150px; overflow:auto } </style>
 			<h1>Queries: ' . count($this->events)
 				. ($totalTime === null ? '' : ', time: ' . number_format($totalTime * 1000, 1, '.', ' ') . ' ms') . ', '
-				. htmlspecialchars($connection->getConfig('driver') . ($connection->getConfig('name') ? '/' . $connection->getConfig('name') : '')
-				. ($connection->getConfig('host') ? ' @ ' . $connection->getConfig('host') : '')) . '</h1>
+				. htmlspecialchars($this->getConnectionName($singleConnection)) . '</h1>
 			<div class="tracy-inner tracy-DibiProfiler">
-			<table>
-				<tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Rows</th></tr>' . $s . '
+			<table class="tracy-sortable">
+				<tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Rows</th>' . (!$singleConnection ? '<th>Connection</th>' : '') . '</tr>
+				' . $s . '
 			</table>
 			</div>';
 	}
+
+
+	private function getConnectionName(Dibi\Connection $connection): string
+	{
+		$driver = $connection->getConfig('driver');
+		return (is_object($driver) ? get_class($driver) : $driver)
+			. ($connection->getConfig('name') ? '/' . $connection->getConfig('name') : '')
+			. ($connection->getConfig('host') ? ' @ ' . $connection->getConfig('host') : '');
+	}
 }

src/Dibi/Connection.php

@@ -28,6 +28,9 @@ class Connection implements IConnection
 	/** @var array  Current connection configuration */
 	private $config;
 
+	/** @var string[]  resultset formats */
+	private $formats;
+
 	/** @var Driver|null */
 	private $driver;
 
@@ -37,37 +40,36 @@ class Connection implements IConnection
 	/** @var HashMap Substitutes for identifiers */
 	private $substitutes;
 
+	private $transactionDepth = 0;
+
 
 	/**
 	 * Connection options: (see driver-specific options too)
 	 *   - lazy (bool) => if true, connection will be established only when required
 	 *   - result (array) => result set options
-	 *       - formatDateTime => date-time format (if empty, DateTime objects will be returned)
+	 *       - normalize => normalizes result fields (default: true)
+	 *       - formatDateTime => date-time format
+	 *           empty for decoding as Dibi\DateTime (default)
+	 *           "..." formatted according to given format, see https://www.php.net/manual/en/datetime.format.php
+	 *           "native" for leaving value as is
+	 *       - formatTimeInterval => time-interval format
+	 *           empty for decoding as DateInterval (default)
+	 *           "..." formatted according to given format, see https://www.php.net/manual/en/dateinterval.format.php
+	 *           "native" for leaving value as is
+	 *       - formatJson => json format
+	 *           "array" for decoding json as an array (default)
+	 *           "object" for decoding json as \stdClass
+	 *           "native" for leaving value as is
 	 *   - profiler (array)
 	 *       - run (bool) => enable profiler?
 	 *       - file => file to log
+	 *       - errorsOnly (bool) => log only errors
 	 *   - substitutes (array) => map of driver specific substitutes (under development)
-	 * @param  array   $config  connection parameters
+	 *   - onConnect (array) => list of SQL queries to execute (by Connection::query()) after connection is established
 	 * @throws Exception
 	 */
-	public function __construct($config, string $name = null)
+	public function __construct(array $config, string $name = null)
 	{
-		if (is_string($config)) {
-			trigger_error(__METHOD__ . '() Configuration should be array.', E_USER_DEPRECATED);
-			parse_str($config, $config);
-
-		} elseif ($config instanceof Traversable) {
-			trigger_error(__METHOD__ . '() Configuration should be array.', E_USER_DEPRECATED);
-			$tmp = [];
-			foreach ($config as $key => $val) {
-				$tmp[$key] = $val instanceof Traversable ? iterator_to_array($val) : $val;
-			}
-			$config = $tmp;
-
-		} elseif (!is_array($config)) {
-			throw new \InvalidArgumentException('Configuration must be array.');
-		}
-
 		Helpers::alias($config, 'username', 'user');
 		Helpers::alias($config, 'password', 'pass');
 		Helpers::alias($config, 'host', 'hostname');
@@ -77,10 +79,18 @@ class Connection implements IConnection
 		$config['name'] = $name;
 		$this->config = $config;
 
+		$this->formats = [
+			Type::DATE => $this->config['result']['formatDate'],
+			Type::DATETIME => $this->config['result']['formatDateTime'],
+			Type::JSON => $this->config['result']['formatJson'] ?? 'array',
+			Type::TIME_INTERVAL => $this->config['result']['formatTimeInterval'] ?? null,
+		];
+
 		// profiler
 		if (isset($config['profiler']['file']) && (!isset($config['profiler']['run']) || $config['profiler']['run'])) {
 			$filter = $config['profiler']['filter'] ?? Event::QUERY;
-			$this->onEvent[] = [new Loggers\FileLogger($config['profiler']['file'], $filter), 'logEvent'];
+			$errorsOnly = $config['profiler']['errorsOnly'] ?? false;
+			$this->onEvent[] = [new Loggers\FileLogger($config['profiler']['file'], $filter, $errorsOnly), 'logEvent'];
 		}
 
 		$this->substitutes = new HashMap(function (string $expr) { return ":$expr:"; });
@@ -90,6 +100,10 @@ class Connection implements IConnection
 			}
 		}
 
+		if (isset($config['onConnect']) && !is_array($config['onConnect'])) {
+			throw new \InvalidArgumentException("Configuration option 'onConnect' must be array.");
+		}
+
 		if (empty($config['lazy'])) {
 			$this->connect();
 		}
@@ -112,8 +126,14 @@ class Connection implements IConnection
 	 */
 	final public function connect(): void
 	{
-		if (is_subclass_of($this->config['driver'], Driver::class)) {
+		if ($this->config['driver'] instanceof Driver) {
+			$this->driver = $this->config['driver'];
+			$this->translator = new Translator($this);
+			return;
+
+		} elseif (is_subclass_of($this->config['driver'], Driver::class)) {
 			$class = $this->config['driver'];
+
 		} else {
 			$class = preg_replace(['#\W#', '#sql#'], ['_', 'Sql'], ucfirst(strtolower($this->config['driver'])));
 			$class = "Dibi\\Drivers\\{$class}Driver";
@@ -125,9 +145,16 @@ class Connection implements IConnection
 		$event = $this->onEvent ? new Event($this, Event::CONNECT) : null;
 		try {
 			$this->driver = new $class($this->config);
+			$this->translator = new Translator($this);
+
 			if ($event) {
 				$this->onEvent($event->done());
 			}
+			if (isset($this->config['onConnect'])) {
+				foreach ($this->config['onConnect'] as $sql) {
+					$this->query($sql);
+				}
+			}
 
 		} catch (DriverException $e) {
 			if ($event) {
@@ -145,7 +172,7 @@ class Connection implements IConnection
 	{
 		if ($this->driver) {
 			$this->driver->disconnect();
-			$this->driver = null;
+			$this->driver = $this->translator = null;
 		}
 	}
 
@@ -191,7 +218,7 @@ class Connection implements IConnection
 	 */
 	final public function query(...$args): Result
 	{
-		return $this->nativeQuery($this->translateArgs($args));
+		return $this->nativeQuery($this->translate(...$args));
 	}
 
 
@@ -202,7 +229,10 @@ class Connection implements IConnection
 	 */
 	final public function translate(...$args): string
 	{
-		return $this->translateArgs($args);
+		if (!$this->driver) {
+			$this->connect();
+		}
+		return (clone $this->translator)->translate($args);
 	}
 
 
@@ -213,7 +243,7 @@ class Connection implements IConnection
 	final public function test(...$args): bool
 	{
 		try {
-			Helpers::dump($this->translateArgs($args));
+			Helpers::dump($this->translate(...$args));
 			return true;
 
 		} catch (Exception $e) {
@@ -234,23 +264,7 @@ class Connection implements IConnection
 	 */
 	final public function dataSource(...$args): DataSource
 	{
-		return new DataSource($this->translateArgs($args), $this);
-	}
-
-
-	/**
-	 * Generates SQL query.
-	 */
-	protected function translateArgs(array $args): string
-	{
-		if (!$this->driver) {
-			$this->connect();
-		}
-		if (!$this->translator) {
-			$this->translator = new Translator($this);
-		}
-		$translator = clone $this->translator;
-		return $translator->translate($args);
+		return new DataSource($this->translate(...$args), $this);
 	}
 
 
@@ -301,16 +315,6 @@ class Connection implements IConnection
 	}
 
 
-	/**
-	 * @deprecated
-	 */
-	public function affectedRows(): int
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use getAffectedRows()', E_USER_DEPRECATED);
-		return $this->getAffectedRows();
-	}
-
-
 	/**
 	 * Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
 	 * @throws Exception
@@ -321,28 +325,22 @@ class Connection implements IConnection
 			$this->connect();
 		}
 		$id = $this->driver->getInsertId($sequence);
-		if ($id < 1) {
+		if ($id === null) {
 			throw new Exception('Cannot retrieve last generated ID.');
 		}
 		return $id;
 	}
 
 
-	/**
-	 * @deprecated
-	 */
-	public function insertId(string $sequence = null): int
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use getInsertId()', E_USER_DEPRECATED);
-		return $this->getInsertId($sequence);
-	}
-
-
 	/**
 	 * Begins a transaction (if supported).
 	 */
 	public function begin(string $savepoint = null): void
 	{
+		if ($this->transactionDepth !== 0) {
+			throw new \LogicException(__METHOD__ . '() call is forbidden inside a transaction() callback');
+		}
+
 		if (!$this->driver) {
 			$this->connect();
 		}
@@ -367,6 +365,10 @@ class Connection implements IConnection
 	 */
 	public function commit(string $savepoint = null): void
 	{
+		if ($this->transactionDepth !== 0) {
+			throw new \LogicException(__METHOD__ . '() call is forbidden inside a transaction() callback');
+		}
+
 		if (!$this->driver) {
 			$this->connect();
 		}
@@ -391,6 +393,10 @@ class Connection implements IConnection
 	 */
 	public function rollback(string $savepoint = null): void
 	{
+		if ($this->transactionDepth !== 0) {
+			throw new \LogicException(__METHOD__ . '() call is forbidden inside a transaction() callback');
+		}
+
 		if (!$this->driver) {
 			$this->connect();
 		}
@@ -410,14 +416,42 @@ class Connection implements IConnection
 	}
 
 
+	/**
+	 * @return mixed
+	 */
+	public function transaction(callable $callback)
+	{
+		if ($this->transactionDepth === 0) {
+			$this->begin();
+		}
+
+		$this->transactionDepth++;
+		try {
+			$res = $callback($this);
+		} catch (\Throwable $e) {
+			$this->transactionDepth--;
+			if ($this->transactionDepth === 0) {
+				$this->rollback();
+			}
+			throw $e;
+		}
+
+		$this->transactionDepth--;
+		if ($this->transactionDepth === 0) {
+			$this->commit();
+		}
+
+		return $res;
+	}
+
+
 	/**
 	 * Result set factory.
 	 */
 	public function createResultSet(ResultDriver $resultDriver): Result
 	{
-		$res = new Result($resultDriver);
-		return $res->setFormat(Type::DATE, $this->config['result']['formatDate'])
-			->setFormat(Type::DATETIME, $this->config['result']['formatDateTime']);
+		return (new Result($resultDriver, $this->config['result']['normalize'] ?? true))
+			->setFormats($this->formats);
 	}
 
 
@@ -436,7 +470,10 @@ class Connection implements IConnection
 	}
 
 
-	public function update(string $table, iterable $args): Fluent
+	/**
+	 * @param  string|string[]  $table
+	 */
+	public function update($table, iterable $args): Fluent
 	{
 		return $this->command()->update('%n', $table)->set($args);
 	}
@@ -573,7 +610,7 @@ class Connection implements IConnection
 	 */
 	public function __wakeup()
 	{
-		throw new NotSupportedException('You cannot serialize or unserialize ' . get_class($this) . ' instances.');
+		throw new NotSupportedException('You cannot serialize or unserialize ' . static::class . ' instances.');
 	}
 
 
@@ -582,7 +619,7 @@ class Connection implements IConnection
 	 */
 	public function __sleep()
 	{
-		throw new NotSupportedException('You cannot serialize or unserialize ' . get_class($this) . ' instances.');
+		throw new NotSupportedException('You cannot serialize or unserialize ' . static::class . ' instances.');
 	}
 
 

src/Dibi/DataSource.php

@@ -53,11 +53,9 @@ class DataSource implements IDataSource
 	 */
 	public function __construct(string $sql, Connection $connection)
 	{
-		if (strpbrk($sql, " \t\r\n") === false) {
-			$this->sql = $connection->getDriver()->escapeIdentifier($sql); // table name
-		} else {
-			$this->sql = '(' . $sql . ') t'; // SQL command
-		}
+		$this->sql = strpbrk($sql, " \t\r\n") === false
+			? $connection->getDriver()->escapeIdentifier($sql) // table name
+			: '(' . $sql . ') t'; // SQL command
 		$this->connection = $connection;
 	}
 
@@ -84,12 +82,9 @@ class DataSource implements IDataSource
 	 */
 	public function where($cond): self
 	{
-		if (is_array($cond)) {
-			// TODO: not consistent with select and orderBy
-			$this->conds[] = $cond;
-		} else {
-			$this->conds[] = func_get_args();
-		}
+		$this->conds[] = is_array($cond)
+			? $cond // TODO: not consistent with select and orderBy
+			: func_get_args();
 		$this->result = $this->count = null;
 		return $this;
 	}
@@ -232,12 +227,18 @@ class DataSource implements IDataSource
 	public function __toString(): string
 	{
 		try {
-			return $this->connection->translate('
-SELECT %n', (empty($this->cols) ? '*' : $this->cols), '
-FROM %SQL', $this->sql, '
-%ex', $this->conds ? ['WHERE %and', $this->conds] : null, '
-%ex', $this->sorting ? ['ORDER BY %by', $this->sorting] : null, '
-%ofs %lmt', $this->offset, $this->limit
+			return $this->connection->translate(
+				"\nSELECT %n",
+				(empty($this->cols) ? '*' : $this->cols),
+				"\nFROM %SQL",
+				$this->sql,
+				"\n%ex",
+				$this->conds ? ['WHERE %and', $this->conds] : null,
+				"\n%ex",
+				$this->sorting ? ['ORDER BY %by', $this->sorting] : null,
+				"\n%ofs %lmt",
+				$this->offset,
+				$this->limit
 			);
 		} catch (\Throwable $e) {
 			trigger_error($e->getMessage(), E_USER_ERROR);

src/Dibi/DateTime.php

@@ -32,77 +32,8 @@ class DateTime extends \DateTimeImmutable
 	}
 
 
-	/** @deprecated  use modify() */
-	public function modifyClone(string $modify = ''): self
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use modify()', E_USER_DEPRECATED);
-		$dolly = clone $this;
-		return $modify ? $dolly->modify($modify) : $dolly;
-	}
-
-
 	public function __toString(): string
 	{
 		return $this->format('Y-m-d H:i:s.u');
 	}
-
-
-	/********************* immutable usage detector ****************d*g**/
-
-
-	public function __destruct()
-	{
-		$trace = debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 2);
-		if (isset($trace[0]['file'], $trace[1]['function']) && $trace[0]['file'] === __FILE__ && $trace[1]['function'] !== '__construct') {
-			trigger_error(__CLASS__ . ' is immutable now, check how it is used in ' . $trace[1]['file'] . ':' . $trace[1]['line'], E_USER_WARNING);
-		}
-	}
-
-
-	public function add($interval)
-	{
-		return parent::add($interval);
-	}
-
-
-	public function modify($modify)
-	{
-		return parent::modify($modify);
-	}
-
-
-	public function setDate($year, $month, $day)
-	{
-		return parent::setDate($year, $month, $day);
-	}
-
-
-	public function setISODate($year, $week, $day = 1)
-	{
-		return parent::setISODate($year, $week, $day);
-	}
-
-
-	public function setTime($hour, $minute, $second = 0, $micro = 0)
-	{
-		return parent::setTime($hour, $minute, $second, $micro);
-	}
-
-
-	public function setTimestamp($unixtimestamp)
-	{
-		return parent::setTimestamp($unixtimestamp);
-	}
-
-
-	public function setTimezone($timezone)
-	{
-		return parent::setTimezone($timezone);
-	}
-
-
-	public function sub($interval)
-	{
-		return parent::sub($interval);
-	}
 }

src/Dibi/Drivers/DummyDriver.php

@@ -0,0 +1,219 @@
+<?php
+
+/**
+ * This file is part of the Dibi, smart database abstraction layer (https://dibiphp.com)
+ * Copyright (c) 2005 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Dibi\Drivers;
+
+use Dibi;
+
+
+/**
+ * The dummy driver for testing purposes.
+ */
+class DummyDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
+{
+	use Dibi\Strict;
+
+	public function disconnect(): void
+	{
+	}
+
+
+	public function query(string $sql): ?Dibi\ResultDriver
+	{
+		return null;
+	}
+
+
+	public function getAffectedRows(): ?int
+	{
+		return null;
+	}
+
+
+	public function getInsertId(?string $sequence): ?int
+	{
+		return null;
+	}
+
+
+	public function begin(string $savepoint = null): void
+	{
+	}
+
+
+	public function commit(string $savepoint = null): void
+	{
+	}
+
+
+	public function rollback(string $savepoint = null): void
+	{
+	}
+
+
+	public function getResource()
+	{
+		return null;
+	}
+
+
+	/**
+	 * Returns the connection reflector.
+	 */
+	public function getReflector(): Dibi\Reflector
+	{
+		return $this;
+	}
+
+
+	/********************* SQL ****************d*g**/
+
+
+	/**
+	 * Encodes data for use in a SQL statement.
+	 */
+	public function escapeText(string $value): string
+	{
+		return "'" . str_replace("'", "''", $value) . "'";
+	}
+
+
+	public function escapeBinary(string $value): string
+	{
+		return "N'" . str_replace("'", "''", $value) . "'";
+	}
+
+
+	public function escapeIdentifier(string $value): string
+	{
+		return '[' . strtr($value, '[]', '  ') . ']';
+	}
+
+
+	public function escapeBool(bool $value): string
+	{
+		return $value ? '1' : '0';
+	}
+
+
+	public function escapeDate(\DateTimeInterface $value): string
+	{
+		return $value->format("'Y-m-d'");
+	}
+
+
+	public function escapeDateTime(\DateTimeInterface $value): string
+	{
+		return $value->format("'Y-m-d H:i:s.u'");
+	}
+
+
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
+	/**
+	 * Encodes string for use in a LIKE statement.
+	 */
+	public function escapeLike(string $value, int $pos): string
+	{
+		$value = strtr($value, ["'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]']);
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
+	}
+
+
+	/**
+	 * Injects LIMIT/OFFSET to the SQL query.
+	 */
+	public function applyLimit(string &$sql, ?int $limit, ?int $offset): void
+	{
+		if ($limit < 0 || $offset < 0) {
+			throw new Dibi\NotSupportedException('Negative offset or limit.');
+
+		} elseif ($limit !== null || $offset) {
+			$sql .= ' LIMIT ' . ($limit ?? '-1')
+				. ($offset ? ' OFFSET ' . $offset : '');
+		}
+	}
+
+
+	/********************* Result ****************d*g**/
+
+
+	public function getRowCount(): int
+	{
+		return 0;
+	}
+
+
+	public function fetch(bool $assoc): ?array
+	{
+		return null;
+	}
+
+
+	public function seek(int $row): bool
+	{
+		return false;
+	}
+
+
+	public function free(): void
+	{
+	}
+
+
+	public function getResultResource()
+	{
+	}
+
+
+	public function getResultColumns(): array
+	{
+		return [];
+	}
+
+
+	/**
+	 * Decodes data from result set.
+	 */
+	public function unescapeBinary(string $value): string
+	{
+		return $value;
+	}
+
+
+	/********************* Reflector ****************d*g**/
+
+
+	public function getTables(): array
+	{
+		return [];
+	}
+
+
+	public function getColumns(string $table): array
+	{
+		return [];
+	}
+
+
+	public function getIndexes(string $table): array
+	{
+		return [];
+	}
+
+
+	public function getForeignKeys(string $table): array
+	{
+		return [];
+	}
+}

src/Dibi/Drivers/FirebirdDriver.php

@@ -40,10 +40,8 @@ class FirebirdDriver implements Dibi\Driver
 	private $inTransaction = false;
 
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('interbase')) {
 			throw new Dibi\NotSupportedException("PHP extension 'interbase' is not loaded.");
@@ -64,11 +62,9 @@ class FirebirdDriver implements Dibi\Driver
 				'buffers' => 0,
 			];
 
-			if (empty($config['persistent'])) {
-				$this->connection = @ibase_connect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
-			} else {
-				$this->connection = @ibase_pconnect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
-			}
+			$this->connection = empty($config['persistent'])
+				? @ibase_connect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']) // intentionally @
+				: @ibase_pconnect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
 
 			if (!is_resource($this->connection)) {
 				throw new Dibi\DriverException(ibase_errmsg(), ibase_errcode());
@@ -92,11 +88,13 @@ class FirebirdDriver implements Dibi\Driver
 	 */
 	public function query(string $sql): ?Dibi\ResultDriver
 	{
-		$resource = $this->inTransaction ? $this->transaction : $this->connection;
+		$resource = $this->inTransaction
+			? $this->transaction
+			: $this->connection;
 		$res = ibase_query($resource, $sql);
 
 		if ($res === false) {
-			if (ibase_errcode() == self::ERROR_EXCEPTION_THROWN) {
+			if (ibase_errcode() === self::ERROR_EXCEPTION_THROWN) {
 				preg_match('/exception (\d+) (\w+) (.*)/i', ibase_errmsg(), $match);
 				throw new Dibi\ProcedureException($match[3], $match[1], $match[2], $sql);
 
@@ -247,36 +245,31 @@ class FirebirdDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format("'Y-m-d'");
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return "'" . substr($value->format('Y-m-d H:i:s.u'), 0, -2) . "'";
 	}
 
 
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
 	/**
 	 * Encodes string for use in a LIKE statement.
 	 */
 	public function escapeLike(string $value, int $pos): string
 	{
-		throw new Dibi\NotImplementedException;
+		$value = addcslashes($this->escapeText($value), '%_\\');
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'") . " ESCAPE '\\'";
 	}
 
 

src/Dibi/Drivers/FirebirdReflector.php

@@ -38,8 +38,8 @@ class FirebirdReflector implements Dibi\Reflector
 			SELECT TRIM(RDB\$RELATION_NAME),
 				CASE RDB\$VIEW_BLR WHEN NULL THEN 'TRUE' ELSE 'FALSE' END
 			FROM RDB\$RELATIONS
-			WHERE RDB\$SYSTEM_FLAG = 0;"
-		);
+			WHERE RDB\$SYSTEM_FLAG = 0;
+		");
 		$tables = [];
 		while ($row = $res->fetch(false)) {
 			$tables[] = [
@@ -84,9 +84,8 @@ class FirebirdReflector implements Dibi\Reflector
 			FROM RDB\$RELATION_FIELDS r
 				LEFT JOIN RDB\$FIELDS f ON r.RDB\$FIELD_SOURCE = f.RDB\$FIELD_NAME
 			WHERE r.RDB\$RELATION_NAME = '$table'
-			ORDER BY r.RDB\$FIELD_POSITION;"
-
-		);
+			ORDER BY r.RDB\$FIELD_POSITION;
+		");
 		$columns = [];
 		while ($row = $res->fetch(true)) {
 			$key = $row['FIELD_NAME'];
@@ -121,8 +120,8 @@ class FirebirdReflector implements Dibi\Reflector
 				LEFT JOIN RDB\$INDICES i ON i.RDB\$INDEX_NAME = s.RDB\$INDEX_NAME
 				LEFT JOIN RDB\$RELATION_CONSTRAINTS r ON r.RDB\$INDEX_NAME = s.RDB\$INDEX_NAME
 			WHERE UPPER(i.RDB\$RELATION_NAME) = '$table'
-			ORDER BY s.RDB\$FIELD_POSITION"
-		);
+			ORDER BY s.RDB\$FIELD_POSITION
+		");
 		$indexes = [];
 		while ($row = $res->fetch(true)) {
 			$key = $row['INDEX_NAME'];
@@ -149,8 +148,8 @@ class FirebirdReflector implements Dibi\Reflector
 				LEFT JOIN RDB\$RELATION_CONSTRAINTS r ON r.RDB\$INDEX_NAME = s.RDB\$INDEX_NAME
 			WHERE UPPER(i.RDB\$RELATION_NAME) = '$table'
 				AND r.RDB\$CONSTRAINT_TYPE = 'FOREIGN KEY'
-			ORDER BY s.RDB\$FIELD_POSITION"
-		);
+			ORDER BY s.RDB\$FIELD_POSITION
+		");
 		$keys = [];
 		while ($row = $res->fetch(true)) {
 			$key = $row['INDEX_NAME'];
@@ -174,8 +173,8 @@ class FirebirdReflector implements Dibi\Reflector
 			FROM RDB\$INDICES
 			WHERE RDB\$RELATION_NAME = UPPER('$table')
 				AND RDB\$UNIQUE_FLAG IS NULL
-				AND RDB\$FOREIGN_KEY IS NULL;"
-		);
+				AND RDB\$FOREIGN_KEY IS NULL;
+		");
 		$indices = [];
 		while ($row = $res->fetch(false)) {
 			$indices[] = $row[0];
@@ -196,8 +195,8 @@ class FirebirdReflector implements Dibi\Reflector
 				AND (
 					RDB\$UNIQUE_FLAG IS NOT NULL
 					OR RDB\$FOREIGN_KEY IS NOT NULL
-			);"
-		);
+			);
+		");
 		$constraints = [];
 		while ($row = $res->fetch(false)) {
 			$constraints[] = $row[0];
@@ -212,7 +211,8 @@ class FirebirdReflector implements Dibi\Reflector
 	 */
 	public function getTriggersMeta(string $table = null): array
 	{
-		$res = $this->driver->query("
+		$res = $this->driver->query(
+			"
 			SELECT TRIM(RDB\$TRIGGER_NAME) AS TRIGGER_NAME,
 				TRIM(RDB\$RELATION_NAME) AS TABLE_NAME,
 				CASE RDB\$TRIGGER_TYPE
@@ -261,7 +261,9 @@ class FirebirdReflector implements Dibi\Reflector
 		$q = 'SELECT TRIM(RDB$TRIGGER_NAME)
 			FROM RDB$TRIGGERS
 			WHERE RDB$SYSTEM_FLAG = 0';
-		$q .= $table === null ? ';' : " AND RDB\$RELATION_NAME = UPPER('$table')";
+		$q .= $table === null
+			? ';'
+			: " AND RDB\$RELATION_NAME = UPPER('$table')";
 
 		$res = $this->driver->query($q);
 		$triggers = [];
@@ -307,8 +309,8 @@ class FirebirdReflector implements Dibi\Reflector
 				p.RDB\$PARAMETER_NUMBER AS PARAMETER_NUMBER
 			FROM RDB\$PROCEDURE_PARAMETERS p
 				LEFT JOIN RDB\$FIELDS f ON f.RDB\$FIELD_NAME = p.RDB\$FIELD_SOURCE
-			ORDER BY p.RDB\$PARAMETER_TYPE, p.RDB\$PARAMETER_NUMBER;"
-		);
+			ORDER BY p.RDB\$PARAMETER_TYPE, p.RDB\$PARAMETER_NUMBER;
+		");
 		$procedures = [];
 		while ($row = $res->fetch(true)) {
 			$key = $row['PROCEDURE_NAME'];
@@ -330,8 +332,8 @@ class FirebirdReflector implements Dibi\Reflector
 	{
 		$res = $this->driver->query('
 			SELECT TRIM(RDB$PROCEDURE_NAME)
-			FROM RDB$PROCEDURES;'
-		);
+			FROM RDB$PROCEDURES;
+		');
 		$procedures = [];
 		while ($row = $res->fetch(false)) {
 			$procedures[] = $row[0];
@@ -348,8 +350,8 @@ class FirebirdReflector implements Dibi\Reflector
 		$res = $this->driver->query('
 			SELECT TRIM(RDB$GENERATOR_NAME)
 			FROM RDB$GENERATORS
-			WHERE RDB$SYSTEM_FLAG = 0;'
-		);
+			WHERE RDB$SYSTEM_FLAG = 0;
+		');
 		$generators = [];
 		while ($row = $res->fetch(false)) {
 			$generators[] = $row[0];
@@ -366,8 +368,8 @@ class FirebirdReflector implements Dibi\Reflector
 		$res = $this->driver->query('
 			SELECT TRIM(RDB$FUNCTION_NAME)
 			FROM RDB$FUNCTIONS
-			WHERE RDB$SYSTEM_FLAG = 0;'
-		);
+			WHERE RDB$SYSTEM_FLAG = 0;
+		');
 		$functions = [];
 		while ($row = $res->fetch(false)) {
 			$functions[] = $row[0];

src/Dibi/Drivers/FirebirdResult.php

@@ -62,10 +62,12 @@ class FirebirdResult implements Dibi\ResultDriver
 	 */
 	public function fetch(bool $assoc): ?array
 	{
-		$result = $assoc ? @ibase_fetch_assoc($this->resultSet, IBASE_TEXT) : @ibase_fetch_row($this->resultSet, IBASE_TEXT); // intentionally @
+		$result = $assoc
+			? @ibase_fetch_assoc($this->resultSet, IBASE_TEXT)
+			: @ibase_fetch_row($this->resultSet, IBASE_TEXT); // intentionally @
 
 		if (ibase_errcode()) {
-			if (ibase_errcode() == FirebirdDriver::ERROR_EXCEPTION_THROWN) {
+			if (ibase_errcode() === FirebirdDriver::ERROR_EXCEPTION_THROWN) {
 				preg_match('/exception (\d+) (\w+) (.*)/is', ibase_errmsg(), $match);
 				throw new Dibi\ProcedureException($match[3], $match[1], $match[2]);
 

src/Dibi/Drivers/MySqliDriver.php

@@ -47,10 +47,8 @@ class MySqliDriver implements Dibi\Driver
 	private $buffered;
 
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('mysqli')) {
 			throw new Dibi\NotSupportedException("PHP extension 'mysqli' is not loaded.");
@@ -74,7 +72,7 @@ class MySqliDriver implements Dibi\Driver
 				$host = ini_get('mysqli.default_host');
 				if ($host) {
 					$config['host'] = $host;
-					$config['port'] = ini_get('mysqli.default_port');
+					$config['port'] = (int) ini_get('mysqli.default_port');
 				} else {
 					$config['host'] = null;
 					$config['port'] = null;
@@ -93,7 +91,7 @@ class MySqliDriver implements Dibi\Driver
 			@$this->connection->real_connect( // intentionally @
 				(empty($config['persistent']) ? '' : 'p:') . $config['host'],
 				$config['username'],
-				$config['password'],
+				$config['password'] ?? '',
 				$config['database'] ?? '',
 				$config['port'] ?? 0,
 				$config['socket'],
@@ -132,6 +130,15 @@ class MySqliDriver implements Dibi\Driver
 	}
 
 
+	/**
+	 * Pings a server connection, or tries to reconnect if the connection has gone down.
+	 */
+	public function ping(): bool
+	{
+		return $this->connection->ping();
+	}
+
+
 	/**
 	 * Executes the SQL query.
 	 * @throws Dibi\DriverException
@@ -150,6 +157,9 @@ class MySqliDriver implements Dibi\Driver
 	}
 
 
+	/**
+	 * @param int|string $code
+	 */
 	public static function createException(string $message, $code, string $sql): Dibi\DriverException
 	{
 		if (in_array($code, [1216, 1217, 1451, 1452, 1701], true)) {
@@ -190,7 +200,9 @@ class MySqliDriver implements Dibi\Driver
 	 */
 	public function getAffectedRows(): ?int
 	{
-		return $this->connection->affected_rows === -1 ? null : $this->connection->affected_rows;
+		return $this->connection->affected_rows === -1
+			? null
+			: $this->connection->affected_rows;
 	}
 
 
@@ -199,7 +211,7 @@ class MySqliDriver implements Dibi\Driver
 	 */
 	public function getInsertId(?string $sequence): ?int
 	{
-		return $this->connection->insert_id;
+		return $this->connection->insert_id ?: null;
 	}
 
 
@@ -290,37 +302,34 @@ class MySqliDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format("'Y-m-d'");
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format("'Y-m-d H:i:s.u'");
 	}
 
 
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		if ($value->y || $value->m || $value->d) {
+			throw new Dibi\NotSupportedException('Only time interval is supported.');
+		}
+		return $value->format("'%r%H:%I:%S.%f'");
+	}
+
+
 	/**
 	 * Encodes string for use in a LIKE statement.
 	 */
 	public function escapeLike(string $value, int $pos): string
 	{
 		$value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\n\r\\'%_");
-		return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 	}
 
 
@@ -334,7 +343,7 @@ class MySqliDriver implements Dibi\Driver
 
 		} elseif ($limit !== null || $offset) {
 			// see http://dev.mysql.com/doc/refman/5.0/en/select.html
-			$sql .= ' LIMIT ' . ($limit === null ? '18446744073709551615' : $limit)
+			$sql .= ' LIMIT ' . ($limit ?? '18446744073709551615')
 				. ($offset ? ' OFFSET ' . $offset : '');
 		}
 	}

src/Dibi/Drivers/OdbcDriver.php

@@ -21,6 +21,7 @@ use Dibi;
  *   - password (or pass)
  *   - persistent (bool) => try to find a persistent link?
  *   - resource (resource) => existing connection resource
+ *   - microseconds (bool) => use microseconds in datetime format?
  */
 class OdbcDriver implements Dibi\Driver
 {
@@ -32,11 +33,12 @@ class OdbcDriver implements Dibi\Driver
 	/** @var int|null  Affected rows */
 	private $affectedRows;
 
+	/** @var bool */
+	private $microseconds = true;
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('odbc')) {
 			throw new Dibi\NotSupportedException("PHP extension 'odbc' is not loaded.");
@@ -52,16 +54,18 @@ class OdbcDriver implements Dibi\Driver
 				'dsn' => ini_get('odbc.default_db'),
 			];
 
-			if (empty($config['persistent'])) {
-				$this->connection = @odbc_connect($config['dsn'], $config['username'] ?? '', $config['password'] ?? ''); // intentionally @
-			} else {
-				$this->connection = @odbc_pconnect($config['dsn'], $config['username'] ?? '', $config['password'] ?? ''); // intentionally @
-			}
+			$this->connection = empty($config['persistent'])
+				? @odbc_connect($config['dsn'], $config['username'] ?? '', $config['password'] ?? '') // intentionally @
+				: @odbc_pconnect($config['dsn'], $config['username'] ?? '', $config['password'] ?? ''); // intentionally @
 		}
 
 		if (!is_resource($this->connection)) {
 			throw new Dibi\DriverException(odbc_errormsg() . ' ' . odbc_error());
 		}
+
+		if (isset($config['microseconds'])) {
+			$this->microseconds = (bool) $config['microseconds'];
+		}
 	}
 
 
@@ -88,7 +92,9 @@ class OdbcDriver implements Dibi\Driver
 
 		} elseif (is_resource($res)) {
 			$this->affectedRows = Dibi\Helpers::false2Null(odbc_num_rows($res));
-			return odbc_num_fields($res) ? $this->createResultDriver($res) : null;
+			return odbc_num_fields($res)
+				? $this->createResultDriver($res)
+				: null;
 		}
 		return null;
 	}
@@ -118,7 +124,7 @@ class OdbcDriver implements Dibi\Driver
 	 */
 	public function begin(string $savepoint = null): void
 	{
-		if (!odbc_autocommit($this->connection, 0/*false*/)) {
+		if (!odbc_autocommit($this->connection, PHP_VERSION_ID < 80000 ? 0 : false)) {
 			throw new Dibi\DriverException(odbc_errormsg($this->connection) . ' ' . odbc_error($this->connection));
 		}
 	}
@@ -133,7 +139,7 @@ class OdbcDriver implements Dibi\Driver
 		if (!odbc_commit($this->connection)) {
 			throw new Dibi\DriverException(odbc_errormsg($this->connection) . ' ' . odbc_error($this->connection));
 		}
-		odbc_autocommit($this->connection, 1/*true*/);
+		odbc_autocommit($this->connection, PHP_VERSION_ID < 80000 ? 1 : true);
 	}
 
 
@@ -146,7 +152,7 @@ class OdbcDriver implements Dibi\Driver
 		if (!odbc_rollback($this->connection)) {
 			throw new Dibi\DriverException(odbc_errormsg($this->connection) . ' ' . odbc_error($this->connection));
 		}
-		odbc_autocommit($this->connection, 1/*true*/);
+		odbc_autocommit($this->connection, PHP_VERSION_ID < 80000 ? 1 : true);
 	}
 
 
@@ -218,27 +224,21 @@ class OdbcDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format('#m/d/Y#');
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
-		return $value->format('#m/d/Y H:i:s.u#');
+		return $value->format($this->microseconds ? '#m/d/Y H:i:s.u#' : '#m/d/Y H:i:s#');
+	}
+
+
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
 	}
 
 
@@ -248,7 +248,7 @@ class OdbcDriver implements Dibi\Driver
 	public function escapeLike(string $value, int $pos): string
 	{
 		$value = strtr($value, ["'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]']);
-		return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 	}
 
 

src/Dibi/Drivers/OracleDriver.php

@@ -42,20 +42,14 @@ class OracleDriver implements Dibi\Driver
 	private $affectedRows;
 
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('oci8')) {
 			throw new Dibi\NotSupportedException("PHP extension 'oci8' is not loaded.");
 		}
 
 		$foo = &$config['charset'];
-
-		if (isset($config['formatDate']) || isset($config['formatDateTime'])) {
-			trigger_error('OracleDriver: options formatDate and formatDateTime are deprecated.', E_USER_DEPRECATED);
-		}
 		$this->nativeDate = $config['nativeDate'] ?? true;
 
 		if (isset($config['resource'])) {
@@ -102,7 +96,9 @@ class OracleDriver implements Dibi\Driver
 
 			} elseif (is_resource($res)) {
 				$this->affectedRows = Dibi\Helpers::false2Null(oci_num_rows($res));
-				return oci_num_fields($res) ? $this->createResultDriver($res) : null;
+				return oci_num_fields($res)
+					? $this->createResultDriver($res)
+					: null;
 			}
 		} else {
 			$err = oci_error($this->connection);
@@ -245,34 +241,28 @@ class OracleDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $this->nativeDate
 			? "to_date('" . $value->format('Y-m-d') . "', 'YYYY-mm-dd')"
 			: $value->format('U');
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $this->nativeDate
 			? "to_date('" . $value->format('Y-m-d G:i:s') . "', 'YYYY-mm-dd hh24:mi:ss')"
 			: $value->format('U');
 	}
 
 
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
 	/**
 	 * Encodes string for use in a LIKE statement.
 	 */
@@ -280,7 +270,7 @@ class OracleDriver implements Dibi\Driver
 	{
 		$value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\\%_");
 		$value = str_replace("'", "''", $value);
-		return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 	}
 
 

src/Dibi/Drivers/OracleResult.php

@@ -96,6 +96,7 @@ class OracleResult implements Dibi\ResultDriver
 				'name' => oci_field_name($this->resultSet, $i),
 				'table' => null,
 				'fullname' => oci_field_name($this->resultSet, $i),
+				'type' => $type === 'LONG' ? Dibi\Type::TEXT : null,
 				'nativetype' => $type === 'NUMBER' && oci_field_scale($this->resultSet, $i) === 0 ? 'INTEGER' : $type,
 			];
 		}

src/Dibi/Drivers/PdoDriver.php

@@ -42,10 +42,8 @@ class PdoDriver implements Dibi\Driver
 	private $serverVersion = '';
 
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('pdo')) {
 			throw new Dibi\NotSupportedException("PHP extension 'pdo' is not loaded.");
@@ -58,9 +56,15 @@ class PdoDriver implements Dibi\Driver
 		if ($config['resource'] instanceof PDO) {
 			$this->connection = $config['resource'];
 			unset($config['resource'], $config['pdo']);
+
+			if ($this->connection->getAttribute(PDO::ATTR_ERRMODE) !== PDO::ERRMODE_SILENT) {
+				throw new Dibi\DriverException('PDO connection in exception or warning error mode is not supported.');
+			}
+
 		} else {
 			try {
 				$this->connection = new PDO($config['dsn'], $config['username'], $config['password'], $config['options']);
+				$this->connection->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_SILENT);
 			} catch (\PDOException $e) {
 				if ($e->getMessage() === 'could not find driver') {
 					throw new Dibi\NotSupportedException('PHP extension for PDO is not loaded.');
@@ -110,7 +114,7 @@ class PdoDriver implements Dibi\Driver
 				throw PostgreDriver::createException($message, $sqlState, $sql);
 
 			case 'sqlite':
-				throw Sqlite3Driver::createException($message, $code, $sql);
+				throw SqliteDriver::createException($message, $code, $sql);
 
 			default:
 				throw new Dibi\DriverException($message, $code, $sql);
@@ -132,7 +136,7 @@ class PdoDriver implements Dibi\Driver
 	 */
 	public function getInsertId(?string $sequence): ?int
 	{
-		return Helpers::false2Null($this->connection->lastInsertId());
+		return Helpers::intVal($this->connection->lastInsertId($sequence));
 	}
 
 
@@ -230,21 +234,17 @@ class PdoDriver implements Dibi\Driver
 	 */
 	public function escapeText(string $value): string
 	{
-		if ($this->driverName === 'odbc') {
-			return "'" . str_replace("'", "''", $value) . "'";
-		} else {
-			return $this->connection->quote($value, PDO::PARAM_STR);
-		}
+		return $this->driverName === 'odbc'
+			? "'" . str_replace("'", "''", $value) . "'"
+			: $this->connection->quote($value, PDO::PARAM_STR);
 	}
 
 
 	public function escapeBinary(string $value): string
 	{
-		if ($this->driverName === 'odbc') {
-			return "'" . str_replace("'", "''", $value) . "'";
-		} else {
-			return $this->connection->quote($value, PDO::PARAM_LOB);
-		}
+		return $this->driverName === 'odbc'
+			? "'" . str_replace("'", "''", $value) . "'"
+			: $this->connection->quote($value, PDO::PARAM_LOB);
 	}
 
 
@@ -285,26 +285,14 @@ class PdoDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format($this->driverName === 'odbc' ? '#m/d/Y#' : "'Y-m-d'");
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		switch ($this->driverName) {
 			case 'odbc':
 				return $value->format('#m/d/Y H:i:s.u#');
@@ -318,6 +306,12 @@ class PdoDriver implements Dibi\Driver
 	}
 
 
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
 	/**
 	 * Encodes string for use in a LIKE statement.
 	 */
@@ -326,29 +320,29 @@ class PdoDriver implements Dibi\Driver
 		switch ($this->driverName) {
 			case 'mysql':
 				$value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\n\r\\'%_");
-				return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+				return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 
 			case 'oci':
 				$value = addcslashes(str_replace('\\', '\\\\', $value), "\x00\\%_");
 				$value = str_replace("'", "''", $value);
-				return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+				return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 
 			case 'pgsql':
 				$bs = substr($this->connection->quote('\\', PDO::PARAM_STR), 1, -1); // standard_conforming_strings = on/off
 				$value = substr($this->connection->quote($value, PDO::PARAM_STR), 1, -1);
 				$value = strtr($value, ['%' => $bs . '%', '_' => $bs . '_', '\\' => '\\\\']);
-				return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+				return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 
 			case 'sqlite':
 				$value = addcslashes(substr($this->connection->quote($value, PDO::PARAM_STR), 1, -1), '%_\\');
-				return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'") . " ESCAPE '\\'";
+				return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'") . " ESCAPE '\\'";
 
 			case 'odbc':
 			case 'mssql':
 			case 'dblib':
 			case 'sqlsrv':
 				$value = strtr($value, ["'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]']);
-				return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+				return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 
 			default:
 				throw new Dibi\NotImplementedException;
@@ -369,7 +363,7 @@ class PdoDriver implements Dibi\Driver
 			case 'mysql':
 				if ($limit !== null || $offset) {
 					// see http://dev.mysql.com/doc/refman/5.0/en/select.html
-					$sql .= ' LIMIT ' . ($limit === null ? '18446744073709551615' : $limit)
+					$sql .= ' LIMIT ' . ($limit ?? '18446744073709551615')
 						. ($offset ? ' OFFSET ' . $offset : '');
 				}
 				break;
@@ -385,7 +379,7 @@ class PdoDriver implements Dibi\Driver
 
 			case 'sqlite':
 				if ($limit !== null || $offset) {
-					$sql .= ' LIMIT ' . ($limit === null ? '-1' : $limit)
+					$sql .= ' LIMIT ' . ($limit ?? '-1')
 						. ($offset ? ' OFFSET ' . $offset : '');
 				}
 				break;

src/Dibi/Drivers/PdoResult.php

@@ -85,7 +85,7 @@ class PdoResult implements Dibi\ResultDriver
 			if ($row === false) {
 				throw new Dibi\NotSupportedException('Driver does not support meta data.');
 			}
-			$row = $row + [
+			$row += [
 				'table' => null,
 				'native_type' => 'VAR_STRING',
 			];

src/Dibi/Drivers/PostgreDriver.php

@@ -23,6 +23,7 @@ use Dibi\Helpers;
  *   - charset => character encoding to set (default is utf8)
  *   - persistent (bool) => try to find a persistent link?
  *   - resource (resource) => existing connection resource
+ *   - connect_type (int) => see pg_connect()
  */
 class PostgreDriver implements Dibi\Driver
 {
@@ -35,10 +36,8 @@ class PostgreDriver implements Dibi\Driver
 	private $affectedRows;
 
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('pgsql')) {
 			throw new Dibi\NotSupportedException("PHP extension 'pgsql' is not loaded.");
@@ -64,15 +63,14 @@ class PostgreDriver implements Dibi\Driver
 					}
 				}
 			}
+			$connectType = $config['connect_type'] ?? PGSQL_CONNECT_FORCE_NEW;
 
 			set_error_handler(function (int $severity, string $message) use (&$error) {
 				$error = $message;
 			});
-			if (empty($config['persistent'])) {
-				$this->connection = pg_connect($string, PGSQL_CONNECT_FORCE_NEW);
-			} else {
-				$this->connection = pg_pconnect($string, PGSQL_CONNECT_FORCE_NEW);
-			}
+			$this->connection = empty($config['persistent'])
+				? pg_connect($string, $connectType)
+				: pg_pconnect($string, $connectType);
 			restore_error_handler();
 		}
 
@@ -171,12 +169,9 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function getInsertId(?string $sequence): ?int
 	{
-		if ($sequence === null) {
-			// PostgreSQL 8.1 is needed
-			$res = $this->query('SELECT LASTVAL()');
-		} else {
-			$res = $this->query("SELECT CURRVAL('$sequence')");
-		}
+		$res = $sequence === null
+			? $this->query('SELECT LASTVAL()') // PostgreSQL 8.1 is needed
+			: $this->query("SELECT CURRVAL('$sequence')");
 
 		if (!$res) {
 			return null;
@@ -193,7 +188,7 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function begin(string $savepoint = null): void
 	{
-		$this->query($savepoint ? "SAVEPOINT $savepoint" : 'START TRANSACTION');
+		$this->query($savepoint ? "SAVEPOINT {$this->escapeIdentifier($savepoint)}" : 'START TRANSACTION');
 	}
 
 
@@ -203,7 +198,7 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function commit(string $savepoint = null): void
 	{
-		$this->query($savepoint ? "RELEASE SAVEPOINT $savepoint" : 'COMMIT');
+		$this->query($savepoint ? "RELEASE SAVEPOINT {$this->escapeIdentifier($savepoint)}" : 'COMMIT');
 	}
 
 
@@ -213,7 +208,7 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function rollback(string $savepoint = null): void
 	{
-		$this->query($savepoint ? "ROLLBACK TO SAVEPOINT $savepoint" : 'ROLLBACK');
+		$this->query($savepoint ? "ROLLBACK TO SAVEPOINT {$this->escapeIdentifier($savepoint)}" : 'ROLLBACK');
 	}
 
 
@@ -292,30 +287,24 @@ class PostgreDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format("'Y-m-d'");
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format("'Y-m-d H:i:s.u'");
 	}
 
 
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
 	/**
 	 * Encodes string for use in a LIKE statement.
 	 */
@@ -324,7 +313,7 @@ class PostgreDriver implements Dibi\Driver
 		$bs = pg_escape_string($this->connection, '\\'); // standard_conforming_strings = on/off
 		$value = pg_escape_string($this->connection, $value);
 		$value = strtr($value, ['%' => $bs . '%', '_' => $bs . '_', '\\' => '\\\\']);
-		return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 	}
 
 

src/Dibi/Drivers/PostgreReflector.php

@@ -28,9 +28,6 @@ class PostgreReflector implements Dibi\Reflector
 
 	public function __construct(Dibi\Driver $driver, string $version)
 	{
-		if ($version < 7.4) {
-			throw new Dibi\DriverException('Reflection requires PostgreSQL 7.4 and newer.');
-		}
 		$this->driver = $driver;
 		$this->version = $version;
 	}
@@ -130,7 +127,7 @@ class PostgreReflector implements Dibi\Reflector
 				'size' => $size > 0 ? $size : null,
 				'nullable' => $row['is_nullable'] === 'YES' || $row['is_nullable'] === 't' || $row['is_nullable'] === true,
 				'default' => $row['column_default'],
-				'autoincrement' => (int) $row['ordinal_position'] === $primary && substr($row['column_default'], 0, 7) === 'nextval',
+				'autoincrement' => (int) $row['ordinal_position'] === $primary && substr($row['column_default'] ?? '', 0, 7) === 'nextval',
 				'vendor' => $row,
 			];
 		}
@@ -176,8 +173,11 @@ class PostgreReflector implements Dibi\Reflector
 			$indexes[$row['relname']]['name'] = $row['relname'];
 			$indexes[$row['relname']]['unique'] = $row['indisunique'] === 't' || $row['indisunique'] === true;
 			$indexes[$row['relname']]['primary'] = $row['indisprimary'] === 't' || $row['indisprimary'] === true;
+			$indexes[$row['relname']]['columns'] = [];
 			foreach (explode(' ', $row['indkey']) as $index) {
-				$indexes[$row['relname']]['columns'][] = $columns[$index];
+				if (isset($columns[$index])) {
+					$indexes[$row['relname']]['columns'][] = $columns[$index];
+				}
 			}
 		}
 		return array_values($indexes);
@@ -248,7 +248,10 @@ class PostgreReflector implements Dibi\Reflector
 				$references[$row['name']] = array_combine($l, $f);
 			}
 
-			if (isset($references[$row['name']][$row['lnum']]) && $references[$row['name']][$row['lnum']] === $row['fnum']) {
+			if (
+				isset($references[$row['name']][$row['lnum']])
+				&& $references[$row['name']][$row['lnum']] === $row['fnum']
+			) {
 				$fKeys[$row['name']]['local'][] = $row['local'];
 				$fKeys[$row['name']]['foreign'][] = $row['foreign'];
 			}

src/Dibi/Drivers/PostgreResult.php

@@ -97,7 +97,9 @@ class PostgreResult implements Dibi\ResultDriver
 				'table' => pg_field_table($this->resultSet, $i),
 				'nativetype' => pg_field_type($this->resultSet, $i),
 			];
-			$row['fullname'] = $row['table'] ? $row['table'] . '.' . $row['name'] : $row['name'];
+			$row['fullname'] = $row['table']
+				? $row['table'] . '.' . $row['name']
+				: $row['name'];
 			$columns[] = $row;
 		}
 		return $columns;

src/Dibi/Drivers/Sqlite3Driver.php

@@ -9,293 +9,10 @@ declare(strict_types=1);
 
 namespace Dibi\Drivers;
 
-use Dibi;
-use Dibi\Helpers;
-use SQLite3;
-
 
 /**
- * The driver for SQLite3 database.
- *
- * Driver options:
- *   - database (or file) => the filename of the SQLite3 database
- *   - formatDate => how to format date in SQL (@see date)
- *   - formatDateTime => how to format datetime in SQL (@see date)
- *   - resource (SQLite3) => existing connection resource
+ * Alias for SqliteDriver driver.
  */
-class Sqlite3Driver implements Dibi\Driver
+class Sqlite3Driver extends SqliteDriver
 {
-	use Dibi\Strict;
-
-	/** @var SQLite3 */
-	private $connection;
-
-	/** @var string  Date format */
-	private $fmtDate;
-
-	/** @var string  Datetime format */
-	private $fmtDateTime;
-
-
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
-	{
-		if (!extension_loaded('sqlite3')) {
-			throw new Dibi\NotSupportedException("PHP extension 'sqlite3' is not loaded.");
-		}
-
-		if (isset($config['dbcharset']) || isset($config['charset'])) {
-			throw new Dibi\NotSupportedException('Options dbcharset and charset are not longer supported.');
-		}
-
-		Helpers::alias($config, 'database', 'file');
-		$this->fmtDate = $config['formatDate'] ?? 'U';
-		$this->fmtDateTime = $config['formatDateTime'] ?? 'U';
-
-		if (isset($config['resource']) && $config['resource'] instanceof SQLite3) {
-			$this->connection = $config['resource'];
-		} else {
-			try {
-				$this->connection = new SQLite3($config['database']);
-			} catch (\Exception $e) {
-				throw new Dibi\DriverException($e->getMessage(), $e->getCode());
-			}
-		}
-
-		// enable foreign keys support (defaultly disabled; if disabled then foreign key constraints are not enforced)
-		$version = SQLite3::version();
-		if ($version['versionNumber'] >= '3006019') {
-			$this->query('PRAGMA foreign_keys = ON');
-		}
-	}
-
-
-	/**
-	 * Disconnects from a database.
-	 */
-	public function disconnect(): void
-	{
-		$this->connection->close();
-	}
-
-
-	/**
-	 * Executes the SQL query.
-	 * @throws Dibi\DriverException
-	 */
-	public function query(string $sql): ?Dibi\ResultDriver
-	{
-		$res = @$this->connection->query($sql); // intentionally @
-		if ($code = $this->connection->lastErrorCode()) {
-			throw static::createException($this->connection->lastErrorMsg(), $code, $sql);
-
-		} elseif ($res instanceof \SQLite3Result && $res->numColumns()) {
-			return $this->createResultDriver($res);
-		}
-		return null;
-	}
-
-
-	public static function createException(string $message, $code, string $sql): Dibi\DriverException
-	{
-		if ($code !== 19) {
-			return new Dibi\DriverException($message, $code, $sql);
-
-		} elseif (strpos($message, 'must be unique') !== false
-			|| strpos($message, 'is not unique') !== false
-			|| strpos($message, 'UNIQUE constraint failed') !== false
-		) {
-			return new Dibi\UniqueConstraintViolationException($message, $code, $sql);
-
-		} elseif (strpos($message, 'may not be null') !== false
-			|| strpos($message, 'NOT NULL constraint failed') !== false
-		) {
-			return new Dibi\NotNullConstraintViolationException($message, $code, $sql);
-
-		} elseif (strpos($message, 'foreign key constraint failed') !== false
-			|| strpos($message, 'FOREIGN KEY constraint failed') !== false
-		) {
-			return new Dibi\ForeignKeyConstraintViolationException($message, $code, $sql);
-
-		} else {
-			return new Dibi\ConstraintViolationException($message, $code, $sql);
-		}
-	}
-
-
-	/**
-	 * Gets the number of affected rows by the last INSERT, UPDATE or DELETE query.
-	 */
-	public function getAffectedRows(): ?int
-	{
-		return $this->connection->changes();
-	}
-
-
-	/**
-	 * Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
-	 */
-	public function getInsertId(?string $sequence): ?int
-	{
-		return $this->connection->lastInsertRowID();
-	}
-
-
-	/**
-	 * Begins a transaction (if supported).
-	 * @throws Dibi\DriverException
-	 */
-	public function begin(string $savepoint = null): void
-	{
-		$this->query($savepoint ? "SAVEPOINT $savepoint" : 'BEGIN');
-	}
-
-
-	/**
-	 * Commits statements in a transaction.
-	 * @throws Dibi\DriverException
-	 */
-	public function commit(string $savepoint = null): void
-	{
-		$this->query($savepoint ? "RELEASE SAVEPOINT $savepoint" : 'COMMIT');
-	}
-
-
-	/**
-	 * Rollback changes in a transaction.
-	 * @throws Dibi\DriverException
-	 */
-	public function rollback(string $savepoint = null): void
-	{
-		$this->query($savepoint ? "ROLLBACK TO SAVEPOINT $savepoint" : 'ROLLBACK');
-	}
-
-
-	/**
-	 * Returns the connection resource.
-	 */
-	public function getResource(): ?SQLite3
-	{
-		return $this->connection;
-	}
-
-
-	/**
-	 * Returns the connection reflector.
-	 */
-	public function getReflector(): Dibi\Reflector
-	{
-		return new SqliteReflector($this);
-	}
-
-
-	/**
-	 * Result set driver factory.
-	 */
-	public function createResultDriver(\SQLite3Result $result): Sqlite3Result
-	{
-		return new Sqlite3Result($result);
-	}
-
-
-	/********************* SQL ****************d*g**/
-
-
-	/**
-	 * Encodes data for use in a SQL statement.
-	 */
-	public function escapeText(string $value): string
-	{
-		return "'" . $this->connection->escapeString($value) . "'";
-	}
-
-
-	public function escapeBinary(string $value): string
-	{
-		return "X'" . bin2hex($value) . "'";
-	}
-
-
-	public function escapeIdentifier(string $value): string
-	{
-		return '[' . strtr($value, '[]', '  ') . ']';
-	}
-
-
-	public function escapeBool(bool $value): string
-	{
-		return $value ? '1' : '0';
-	}
-
-
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
-	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
-		return $value->format($this->fmtDate);
-	}
-
-
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
-	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
-		return $value->format($this->fmtDateTime);
-	}
-
-
-	/**
-	 * Encodes string for use in a LIKE statement.
-	 */
-	public function escapeLike(string $value, int $pos): string
-	{
-		$value = addcslashes($this->connection->escapeString($value), '%_\\');
-		return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'") . " ESCAPE '\\'";
-	}
-
-
-	/**
-	 * Injects LIMIT/OFFSET to the SQL query.
-	 */
-	public function applyLimit(string &$sql, ?int $limit, ?int $offset): void
-	{
-		if ($limit < 0 || $offset < 0) {
-			throw new Dibi\NotSupportedException('Negative offset or limit.');
-
-		} elseif ($limit !== null || $offset) {
-			$sql .= ' LIMIT ' . ($limit === null ? '-1' : $limit)
-				. ($offset ? ' OFFSET ' . $offset : '');
-		}
-	}
-
-
-	/********************* user defined functions ****************d*g**/
-
-
-	/**
-	 * Registers an user defined function for use in SQL statements.
-	 */
-	public function registerFunction(string $name, callable $callback, int $numArgs = -1): void
-	{
-		$this->connection->createFunction($name, $callback, $numArgs);
-	}
-
-
-	/**
-	 * Registers an aggregating user defined function for use in SQL statements.
-	 */
-	public function registerAggregateFunction(string $name, callable $rowCallback, callable $agrCallback, int $numArgs = -1): void
-	{
-		$this->connection->createAggregate($name, $rowCallback, $agrCallback, $numArgs);
-	}
 }

src/Dibi/Drivers/Sqlite3Result.php

@@ -9,115 +9,10 @@ declare(strict_types=1);
 
 namespace Dibi\Drivers;
 
-use Dibi;
-use Dibi\Helpers;
-
 
 /**
- * The driver for SQLite3 result set.
+ * Alias for SqliteResult driver.
  */
-class Sqlite3Result implements Dibi\ResultDriver
+class Sqlite3Result extends SqliteResult
 {
-	use Dibi\Strict;
-
-	/** @var \SQLite3Result */
-	private $resultSet;
-
-	/** @var bool */
-	private $autoFree = true;
-
-
-	public function __construct(\SQLite3Result $resultSet)
-	{
-		$this->resultSet = $resultSet;
-	}
-
-
-	/**
-	 * Automatically frees the resources allocated for this result set.
-	 */
-	public function __destruct()
-	{
-		if ($this->autoFree && $this->getResultResource()) {
-			@$this->free();
-		}
-	}
-
-
-	/**
-	 * Returns the number of rows in a result set.
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function getRowCount(): int
-	{
-		throw new Dibi\NotSupportedException('Row count is not available for unbuffered queries.');
-	}
-
-
-	/**
-	 * Fetches the row at current position and moves the internal cursor to the next position.
-	 * @param  bool  $assoc  true for associative array, false for numeric
-	 */
-	public function fetch(bool $assoc): ?array
-	{
-		return Helpers::false2Null($this->resultSet->fetchArray($assoc ? SQLITE3_ASSOC : SQLITE3_NUM));
-	}
-
-
-	/**
-	 * Moves cursor position without fetching row.
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function seek(int $row): bool
-	{
-		throw new Dibi\NotSupportedException('Cannot seek an unbuffered result set.');
-	}
-
-
-	/**
-	 * Frees the resources allocated for this result set.
-	 */
-	public function free(): void
-	{
-		$this->resultSet->finalize();
-	}
-
-
-	/**
-	 * Returns metadata for all columns in a result set.
-	 */
-	public function getResultColumns(): array
-	{
-		$count = $this->resultSet->numColumns();
-		$columns = [];
-		static $types = [SQLITE3_INTEGER => 'int', SQLITE3_FLOAT => 'float', SQLITE3_TEXT => 'text', SQLITE3_BLOB => 'blob', SQLITE3_NULL => 'null'];
-		for ($i = 0; $i < $count; $i++) {
-			$columns[] = [
-				'name' => $this->resultSet->columnName($i),
-				'table' => null,
-				'fullname' => $this->resultSet->columnName($i),
-				'nativetype' => $types[$this->resultSet->columnType($i)],
-			];
-		}
-		return $columns;
-	}
-
-
-	/**
-	 * Returns the result set resource.
-	 */
-	public function getResultResource(): \SQLite3Result
-	{
-		$this->autoFree = false;
-		return $this->resultSet;
-	}
-
-
-	/**
-	 * Decodes data from result set.
-	 */
-	public function unescapeBinary(string $value): string
-	{
-		return $value;
-	}
 }

src/Dibi/Drivers/SqliteDriver.php

@@ -0,0 +1,297 @@
+<?php
+
+/**
+ * This file is part of the Dibi, smart database abstraction layer (https://dibiphp.com)
+ * Copyright (c) 2005 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Dibi\Drivers;
+
+use Dibi;
+use Dibi\Helpers;
+use SQLite3;
+
+
+/**
+ * The driver for SQLite v3 database.
+ *
+ * Driver options:
+ *   - database (or file) => the filename of the SQLite3 database
+ *   - formatDate => how to format date in SQL (@see date)
+ *   - formatDateTime => how to format datetime in SQL (@see date)
+ *   - resource (SQLite3) => existing connection resource
+ */
+class SqliteDriver implements Dibi\Driver
+{
+	use Dibi\Strict;
+
+	/** @var SQLite3 */
+	private $connection;
+
+	/** @var string  Date format */
+	private $fmtDate;
+
+	/** @var string  Datetime format */
+	private $fmtDateTime;
+
+
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
+	{
+		if (!extension_loaded('sqlite3')) {
+			throw new Dibi\NotSupportedException("PHP extension 'sqlite3' is not loaded.");
+		}
+
+		if (isset($config['dbcharset']) || isset($config['charset'])) {
+			throw new Dibi\NotSupportedException('Options dbcharset and charset are not longer supported.');
+		}
+
+		Helpers::alias($config, 'database', 'file');
+		$this->fmtDate = $config['formatDate'] ?? 'U';
+		$this->fmtDateTime = $config['formatDateTime'] ?? 'U';
+
+		if (isset($config['resource']) && $config['resource'] instanceof SQLite3) {
+			$this->connection = $config['resource'];
+		} else {
+			try {
+				$this->connection = new SQLite3($config['database']);
+			} catch (\Exception $e) {
+				throw new Dibi\DriverException($e->getMessage(), $e->getCode());
+			}
+		}
+
+		// enable foreign keys support (defaultly disabled; if disabled then foreign key constraints are not enforced)
+		$version = SQLite3::version();
+		if ($version['versionNumber'] >= '3006019') {
+			$this->query('PRAGMA foreign_keys = ON');
+		}
+	}
+
+
+	/**
+	 * Disconnects from a database.
+	 */
+	public function disconnect(): void
+	{
+		$this->connection->close();
+	}
+
+
+	/**
+	 * Executes the SQL query.
+	 * @throws Dibi\DriverException
+	 */
+	public function query(string $sql): ?Dibi\ResultDriver
+	{
+		$res = @$this->connection->query($sql); // intentionally @
+		if ($code = $this->connection->lastErrorCode()) {
+			throw static::createException($this->connection->lastErrorMsg(), $code, $sql);
+
+		} elseif ($res instanceof \SQLite3Result && $res->numColumns()) {
+			return $this->createResultDriver($res);
+		}
+		return null;
+	}
+
+
+	public static function createException(string $message, $code, string $sql): Dibi\DriverException
+	{
+		if ($code !== 19) {
+			return new Dibi\DriverException($message, $code, $sql);
+
+		} elseif (strpos($message, 'must be unique') !== false
+			|| strpos($message, 'is not unique') !== false
+			|| strpos($message, 'UNIQUE constraint failed') !== false
+		) {
+			return new Dibi\UniqueConstraintViolationException($message, $code, $sql);
+
+		} elseif (strpos($message, 'may not be null') !== false
+			|| strpos($message, 'NOT NULL constraint failed') !== false
+		) {
+			return new Dibi\NotNullConstraintViolationException($message, $code, $sql);
+
+		} elseif (strpos($message, 'foreign key constraint failed') !== false
+			|| strpos($message, 'FOREIGN KEY constraint failed') !== false
+		) {
+			return new Dibi\ForeignKeyConstraintViolationException($message, $code, $sql);
+
+		} else {
+			return new Dibi\ConstraintViolationException($message, $code, $sql);
+		}
+	}
+
+
+	/**
+	 * Gets the number of affected rows by the last INSERT, UPDATE or DELETE query.
+	 */
+	public function getAffectedRows(): ?int
+	{
+		return $this->connection->changes();
+	}
+
+
+	/**
+	 * Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
+	 */
+	public function getInsertId(?string $sequence): ?int
+	{
+		return $this->connection->lastInsertRowID() ?: null;
+	}
+
+
+	/**
+	 * Begins a transaction (if supported).
+	 * @throws Dibi\DriverException
+	 */
+	public function begin(string $savepoint = null): void
+	{
+		$this->query($savepoint ? "SAVEPOINT $savepoint" : 'BEGIN');
+	}
+
+
+	/**
+	 * Commits statements in a transaction.
+	 * @throws Dibi\DriverException
+	 */
+	public function commit(string $savepoint = null): void
+	{
+		$this->query($savepoint ? "RELEASE SAVEPOINT $savepoint" : 'COMMIT');
+	}
+
+
+	/**
+	 * Rollback changes in a transaction.
+	 * @throws Dibi\DriverException
+	 */
+	public function rollback(string $savepoint = null): void
+	{
+		$this->query($savepoint ? "ROLLBACK TO SAVEPOINT $savepoint" : 'ROLLBACK');
+	}
+
+
+	/**
+	 * Returns the connection resource.
+	 */
+	public function getResource(): ?SQLite3
+	{
+		return $this->connection;
+	}
+
+
+	/**
+	 * Returns the connection reflector.
+	 */
+	public function getReflector(): Dibi\Reflector
+	{
+		return new SqliteReflector($this);
+	}
+
+
+	/**
+	 * Result set driver factory.
+	 */
+	public function createResultDriver(\SQLite3Result $result): SqliteResult
+	{
+		return new SqliteResult($result);
+	}
+
+
+	/********************* SQL ****************d*g**/
+
+
+	/**
+	 * Encodes data for use in a SQL statement.
+	 */
+	public function escapeText(string $value): string
+	{
+		return "'" . $this->connection->escapeString($value) . "'";
+	}
+
+
+	public function escapeBinary(string $value): string
+	{
+		return "X'" . bin2hex($value) . "'";
+	}
+
+
+	public function escapeIdentifier(string $value): string
+	{
+		return '[' . strtr($value, '[]', '  ') . ']';
+	}
+
+
+	public function escapeBool(bool $value): string
+	{
+		return $value ? '1' : '0';
+	}
+
+
+	public function escapeDate(\DateTimeInterface $value): string
+	{
+		return $value->format($this->fmtDate);
+	}
+
+
+	public function escapeDateTime(\DateTimeInterface $value): string
+	{
+		return $value->format($this->fmtDateTime);
+	}
+
+
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
+	/**
+	 * Encodes string for use in a LIKE statement.
+	 */
+	public function escapeLike(string $value, int $pos): string
+	{
+		$value = addcslashes($this->connection->escapeString($value), '%_\\');
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'") . " ESCAPE '\\'";
+	}
+
+
+	/**
+	 * Injects LIMIT/OFFSET to the SQL query.
+	 */
+	public function applyLimit(string &$sql, ?int $limit, ?int $offset): void
+	{
+		if ($limit < 0 || $offset < 0) {
+			throw new Dibi\NotSupportedException('Negative offset or limit.');
+
+		} elseif ($limit !== null || $offset) {
+			$sql .= ' LIMIT ' . ($limit ?? '-1')
+				. ($offset ? ' OFFSET ' . $offset : '');
+		}
+	}
+
+
+	/********************* user defined functions ****************d*g**/
+
+
+	/**
+	 * Registers an user defined function for use in SQL statements.
+	 */
+	public function registerFunction(string $name, callable $callback, int $numArgs = -1): void
+	{
+		$this->connection->createFunction($name, $callback, $numArgs);
+	}
+
+
+	/**
+	 * Registers an aggregating user defined function for use in SQL statements.
+	 */
+	public function registerAggregateFunction(
+		string $name,
+		callable $rowCallback,
+		callable $agrCallback,
+		int $numArgs = -1
+	): void {
+		$this->connection->createAggregate($name, $rowCallback, $agrCallback, $numArgs);
+	}
+}

src/Dibi/Drivers/SqliteReflector.php

@@ -64,7 +64,7 @@ class SqliteReflector implements Dibi\Reflector
 				'fullname' => "$table.$column",
 				'nativetype' => strtoupper($type[0]),
 				'size' => isset($type[1]) ? (int) $type[1] : null,
-				'nullable' => $row['notnull'] == '0',
+				'nullable' => $row['notnull'] === 0,
 				'default' => $row['dflt_value'],
 				'autoincrement' => $row['pk'] && $type[0] === 'INTEGER',
 				'vendor' => $row,
@@ -98,7 +98,7 @@ class SqliteReflector implements Dibi\Reflector
 			$column = $indexes[$index]['columns'][0];
 			$primary = false;
 			foreach ($columns as $info) {
-				if ($column == $info['name']) {
+				if ($column === $info['name']) {
 					$primary = $info['vendor']['pk'];
 					break;
 				}

src/Dibi/Drivers/SqliteResult.php

@@ -0,0 +1,123 @@
+<?php
+
+/**
+ * This file is part of the Dibi, smart database abstraction layer (https://dibiphp.com)
+ * Copyright (c) 2005 David Grudl (https://davidgrudl.com)
+ */
+
+declare(strict_types=1);
+
+namespace Dibi\Drivers;
+
+use Dibi;
+use Dibi\Helpers;
+
+
+/**
+ * The driver for SQLite result set.
+ */
+class SqliteResult implements Dibi\ResultDriver
+{
+	use Dibi\Strict;
+
+	/** @var \SQLite3Result */
+	private $resultSet;
+
+	/** @var bool */
+	private $autoFree = true;
+
+
+	public function __construct(\SQLite3Result $resultSet)
+	{
+		$this->resultSet = $resultSet;
+	}
+
+
+	/**
+	 * Automatically frees the resources allocated for this result set.
+	 */
+	public function __destruct()
+	{
+		if ($this->autoFree && $this->getResultResource()) {
+			@$this->free();
+		}
+	}
+
+
+	/**
+	 * Returns the number of rows in a result set.
+	 * @throws Dibi\NotSupportedException
+	 */
+	public function getRowCount(): int
+	{
+		throw new Dibi\NotSupportedException('Row count is not available for unbuffered queries.');
+	}
+
+
+	/**
+	 * Fetches the row at current position and moves the internal cursor to the next position.
+	 * @param  bool  $assoc  true for associative array, false for numeric
+	 */
+	public function fetch(bool $assoc): ?array
+	{
+		return Helpers::false2Null($this->resultSet->fetchArray($assoc ? SQLITE3_ASSOC : SQLITE3_NUM));
+	}
+
+
+	/**
+	 * Moves cursor position without fetching row.
+	 * @throws Dibi\NotSupportedException
+	 */
+	public function seek(int $row): bool
+	{
+		throw new Dibi\NotSupportedException('Cannot seek an unbuffered result set.');
+	}
+
+
+	/**
+	 * Frees the resources allocated for this result set.
+	 */
+	public function free(): void
+	{
+		$this->resultSet->finalize();
+	}
+
+
+	/**
+	 * Returns metadata for all columns in a result set.
+	 */
+	public function getResultColumns(): array
+	{
+		$count = $this->resultSet->numColumns();
+		$columns = [];
+		static $types = [SQLITE3_INTEGER => 'int', SQLITE3_FLOAT => 'float', SQLITE3_TEXT => 'text', SQLITE3_BLOB => 'blob', SQLITE3_NULL => 'null'];
+		for ($i = 0; $i < $count; $i++) {
+			$columns[] = [
+				'name' => $this->resultSet->columnName($i),
+				'table' => null,
+				'fullname' => $this->resultSet->columnName($i),
+				'nativetype' => $types[$this->resultSet->columnType($i)] ?? null, // buggy in PHP 7.4.4 & 7.3.16, bug 79414
+			];
+		}
+		return $columns;
+	}
+
+
+	/**
+	 * Returns the result set resource.
+	 */
+	public function getResultResource(): \SQLite3Result
+	{
+		$this->autoFree = false;
+		return $this->resultSet;
+	}
+
+
+	/**
+	 * Decodes data from result set.
+	 */
+	public function unescapeBinary(string $value): string
+	{
+		return $value;
+	}
+}

src/Dibi/Drivers/SqlsrvDriver.php

@@ -39,10 +39,8 @@ class SqlsrvDriver implements Dibi\Driver
 	private $version = '';
 
 
-	/**
-	 * @throws Dibi\NotSupportedException
-	 */
-	public function __construct(array &$config)
+	/** @throws Dibi\NotSupportedException */
+	public function __construct(array $config)
 	{
 		if (!extension_loaded('sqlsrv')) {
 			throw new Dibi\NotSupportedException("PHP extension 'sqlsrv' is not loaded.");
@@ -55,6 +53,9 @@ class SqlsrvDriver implements Dibi\Driver
 
 		if (isset($config['resource'])) {
 			$this->connection = $config['resource'];
+			if (!is_resource($this->connection)) {
+				throw new \InvalidArgumentException("Configuration option 'resource' is not resource.");
+			}
 
 		} else {
 			$options = $config['options'];
@@ -65,13 +66,15 @@ class SqlsrvDriver implements Dibi\Driver
 			$options['UID'] = (string) $options['UID'];
 			$options['Database'] = (string) $options['Database'];
 
+			sqlsrv_configure('WarningsReturnAsErrors', 0);
 			$this->connection = sqlsrv_connect($config['host'], $options);
+			if (!is_resource($this->connection)) {
+				$info = sqlsrv_errors(SQLSRV_ERR_ERRORS);
+				throw new Dibi\DriverException($info[0]['message'], $info[0]['code']);
+			}
+			sqlsrv_configure('WarningsReturnAsErrors', 1);
 		}
 
-		if (!is_resource($this->connection)) {
-			$info = sqlsrv_errors();
-			throw new Dibi\DriverException($info[0]['message'], $info[0]['code']);
-		}
 		$this->version = sqlsrv_server_info($this->connection)['SQLServerVersion'];
 	}
 
@@ -100,7 +103,9 @@ class SqlsrvDriver implements Dibi\Driver
 
 		} elseif (is_resource($res)) {
 			$this->affectedRows = Helpers::false2Null(sqlsrv_rows_affected($res));
-			return sqlsrv_num_fields($res) ? $this->createResultDriver($res) : null;
+			return sqlsrv_num_fields($res)
+				? $this->createResultDriver($res)
+				: null;
 		}
 		return null;
 	}
@@ -196,13 +201,13 @@ class SqlsrvDriver implements Dibi\Driver
 	 */
 	public function escapeText(string $value): string
 	{
-		return "'" . str_replace("'", "''", $value) . "'";
+		return "N'" . str_replace("'", "''", $value) . "'";
 	}
 
 
 	public function escapeBinary(string $value): string
 	{
-		return "'" . str_replace("'", "''", $value) . "'";
+		return '0x' . bin2hex($value);
 	}
 
 
@@ -219,37 +224,31 @@ class SqlsrvDriver implements Dibi\Driver
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDate($value): string
+	public function escapeDate(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return $value->format("'Y-m-d'");
 	}
 
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	public function escapeDateTime($value): string
+	public function escapeDateTime(\DateTimeInterface $value): string
 	{
-		if (!$value instanceof \DateTimeInterface) {
-			$value = new Dibi\DateTime($value);
-		}
 		return 'CONVERT(DATETIME2(7), ' . $value->format("'Y-m-d H:i:s.u'") . ')';
 	}
 
 
+	public function escapeDateInterval(\DateInterval $value): string
+	{
+		throw new Dibi\NotImplementedException;
+	}
+
+
 	/**
 	 * Encodes string for use in a LIKE statement.
 	 */
 	public function escapeLike(string $value, int $pos): string
 	{
 		$value = strtr($value, ["'" => "''", '%' => '[%]', '_' => '[_]', '[' => '[[]']);
-		return ($pos <= 0 ? "'%" : "'") . $value . ($pos >= 0 ? "%'" : "'");
+		return ($pos & 1 ? "'%" : "'") . $value . ($pos & 2 ? "%'" : "'");
 	}
 
 

src/Dibi/Drivers/SqlsrvReflector.php

@@ -100,7 +100,7 @@ class SqlsrvReflector implements Dibi\Reflector
 	 */
 	public function getIndexes(string $table): array
 	{
-		$keyUsagesRes = $this->driver->query(sprintf('EXEC [sys].[sp_helpindex] @objname = N%s', $this->driver->escapeText($table)));
+		$keyUsagesRes = $this->driver->query(sprintf('EXEC [sys].[sp_helpindex] @objname = %s', $this->driver->escapeText($table)));
 		$keyUsages = [];
 		while ($row = $keyUsagesRes->fetch(true)) {
 			$keyUsages[$row['index_name']] = explode(',', $row['index_keys']);

src/Dibi/Drivers/SqlsrvResult.php

@@ -61,7 +61,7 @@ class SqlsrvResult implements Dibi\ResultDriver
 	 */
 	public function fetch(bool $assoc): ?array
 	{
-		return sqlsrv_fetch_array($this->resultSet, $assoc ? SQLSRV_FETCH_ASSOC : SQLSRV_FETCH_NUMERIC);
+		return Dibi\Helpers::false2Null(sqlsrv_fetch_array($this->resultSet, $assoc ? SQLSRV_FETCH_ASSOC : SQLSRV_FETCH_NUMERIC));
 	}
 
 

src/Dibi/Fluent.php

@@ -15,7 +15,7 @@ namespace Dibi;
  *
  * @method Fluent select(...$field)
  * @method Fluent distinct()
- * @method Fluent from($table, ...$args)
+ * @method Fluent from($table, ...$args = null)
  * @method Fluent where(...$cond)
  * @method Fluent groupBy(...$field)
  * @method Fluent having(...$cond)
@@ -29,7 +29,17 @@ namespace Dibi;
  * @method Fluent outerJoin(...$table)
  * @method Fluent as(...$field)
  * @method Fluent on(...$cond)
+ * @method Fluent and(...$cond)
+ * @method Fluent or(...$cond)
  * @method Fluent using(...$cond)
+ * @method Fluent update(...$cond)
+ * @method Fluent insert(...$cond)
+ * @method Fluent delete(...$cond)
+ * @method Fluent into(...$cond)
+ * @method Fluent values(...$cond)
+ * @method Fluent set(...$args)
+ * @method Fluent asc()
+ * @method Fluent desc()
  */
 class Fluent implements IDataSource
 {
@@ -109,7 +119,7 @@ class Fluent implements IDataSource
 		$this->connection = $connection;
 
 		if (self::$normalizer === null) {
-			self::$normalizer = new HashMap([__CLASS__, '_formatClause']);
+			self::$normalizer = new HashMap([self::class, '_formatClause']);
 		}
 	}
 
@@ -301,11 +311,9 @@ class Fluent implements IDataSource
 	 */
 	public function fetch()
 	{
-		if ($this->command === 'SELECT' && !$this->clauses['LIMIT']) {
-			return $this->query($this->_export(null, ['%lmt', 1]))->fetch();
-		} else {
-			return $this->query($this->_export())->fetch();
-		}
+		return $this->command === 'SELECT' && !$this->clauses['LIMIT']
+			? $this->query($this->_export(null, ['%lmt', 1]))->fetch()
+			: $this->query($this->_export())->fetch();
 	}
 
 
@@ -315,11 +323,9 @@ class Fluent implements IDataSource
 	 */
 	public function fetchSingle()
 	{
-		if ($this->command === 'SELECT' && !$this->clauses['LIMIT']) {
-			return $this->query($this->_export(null, ['%lmt', 1]))->fetchSingle();
-		} else {
-			return $this->query($this->_export())->fetchSingle();
-		}
+		return $this->command === 'SELECT' && !$this->clauses['LIMIT']
+			? $this->query($this->_export(null, ['%lmt', 1]))->fetchSingle()
+			: $this->query($this->_export())->fetchSingle();
 	}
 
 
@@ -419,7 +425,7 @@ class Fluent implements IDataSource
 		if ($clause === null) {
 			$data = $this->clauses;
 			if ($this->command === 'SELECT' && ($data['LIMIT'] || $data['OFFSET'])) {
-				$args = array_merge(['%lmt %ofs', $data['LIMIT'][0], $data['OFFSET'][0]], $args);
+				$args = array_merge(['%lmt %ofs', $data['LIMIT'][0] ?? null, $data['OFFSET'][0] ?? null], $args);
 				unset($data['LIMIT'], $data['OFFSET']);
 			}
 

src/Dibi/Helpers.php

@@ -143,8 +143,8 @@ class Helpers
 	{
 		$best = null;
 		$min = (strlen($value) / 4 + 1) * 10 + .1;
-		foreach (array_unique($items, SORT_REGULAR) as $item) {
-			$item = is_object($item) ? $item->getName() : $item;
+		$items = array_map('strval', $items);
+		foreach (array_unique($items) as $item) {
 			if (($len = levenshtein($item, $value, 10, 11, 10)) > 0 && $len < $min) {
 				$min = $len;
 				$best = $item;
@@ -201,13 +201,11 @@ class Helpers
 	}
 
 
-	/**
-	 * @internal
-	 */
+	/** @internal */
 	public static function getTypeCache(): HashMap
 	{
 		if (self::$types === null) {
-			self::$types = new HashMap([__CLASS__, 'detectType']);
+			self::$types = new HashMap([self::class, 'detectType']);
 		}
 		return self::$types;
 	}
@@ -279,18 +277,14 @@ class Helpers
 	}
 
 
-	/**
-	 * @internal
-	 */
+	/** @internal */
 	public static function false2Null($val)
 	{
 		return $val === false ? null : $val;
 	}
 
 
-	/**
-	 * @internal
-	 */
+	/** @internal */
 	public static function intVal($value): int
 	{
 		if (is_int($value)) {

src/Dibi/Loggers/FileLogger.php

@@ -25,11 +25,15 @@ class FileLogger
 	/** @var int */
 	public $filter;
 
+	/** @var bool */
+	private $errorsOnly;
 
-	public function __construct(string $file, int $filter = null)
+
+	public function __construct(string $file, int $filter = null, bool $errorsOnly = false)
 	{
 		$this->file = $file;
 		$this->filter = $filter ?: Dibi\Event::QUERY;
+		$this->errorsOnly = $errorsOnly;
 	}
 
 
@@ -38,39 +42,42 @@ class FileLogger
 	 */
 	public function logEvent(Dibi\Event $event): void
 	{
-		if (($event->type & $this->filter) === 0) {
+		if (
+			(($event->type & $this->filter) === 0)
+			|| ($this->errorsOnly === true && !$event->result instanceof \Exception)
+		) {
 			return;
 		}
 
-		$handle = fopen($this->file, 'a');
-		if (!$handle) {
-			return; // or throw exception?
-		}
-		flock($handle, LOCK_EX);
-
 		if ($event->result instanceof \Exception) {
 			$message = $event->result->getMessage();
 			if ($code = $event->result->getCode()) {
 				$message = "[$code] $message";
 			}
-			fwrite($handle,
+			$this->writeToFile(
+				$event,
 				"ERROR: $message"
-				. "\n-- SQL: " . $event->sql
-				. "\n-- driver: " . $event->connection->getConfig('driver') . '/' . $event->connection->getConfig('name')
-				. ";\n-- " . date('Y-m-d H:i:s')
-				. "\n\n"
+					. "\n-- SQL: " . $event->sql
 			);
 		} else {
-			fwrite($handle,
+			$this->writeToFile(
+				$event,
 				'OK: ' . $event->sql
-				. ($event->count ? ";\n-- rows: " . $event->count : '')
-				. "\n-- takes: " . sprintf('%0.3f ms', $event->time * 1000)
-				. "\n-- source: " . implode(':', $event->source)
-				. "\n-- driver: " . $event->connection->getConfig('driver') . '/' . $event->connection->getConfig('name')
-				. "\n-- " . date('Y-m-d H:i:s')
-				. "\n\n"
+					. ($event->count ? ";\n-- rows: " . $event->count : '')
+					. "\n-- takes: " . sprintf('%0.3f ms', $event->time * 1000)
+					. "\n-- source: " . implode(':', $event->source)
 			);
 		}
-		fclose($handle);
+	}
+
+
+	private function writeToFile(Dibi\Event $event, string $message): void
+	{
+		$driver = $event->connection->getConfig('driver');
+		$message .=
+			"\n-- driver: " . (is_object($driver) ? get_class($driver) : $driver) . '/' . $event->connection->getConfig('name')
+			. "\n-- " . date('Y-m-d H:i:s')
+			. "\n\n";
+		file_put_contents($this->file, $message, FILE_APPEND | LOCK_EX);
 	}
 }

src/Dibi/Reflection/Column.php

@@ -72,11 +72,13 @@ class Column
 
 	public function getTableName(): ?string
 	{
-		return isset($this->info['table']) && $this->info['table'] != null ? $this->info['table'] : null; // intentionally ==
+		return isset($this->info['table']) && $this->info['table'] != null // intentionally ==
+			? $this->info['table']
+			: null;
 	}
 
 
-	public function getType(): string
+	public function getType(): ?string
 	{
 		return Dibi\Helpers::getTypeCache()->{$this->info['nativetype']};
 	}
@@ -106,18 +108,14 @@ class Column
 	}
 
 
-	/**
-	 * @return mixed
-	 */
+	/** @return mixed */
 	public function getDefault()
 	{
 		return $this->info['default'] ?? null;
 	}
 
 
-	/**
-	 * @return mixed
-	 */
+	/** @return mixed */
 	public function getVendorInfo(string $key)
 	{
 		return $this->info['vendor'][$key] ?? null;

src/Dibi/Reflection/Database.php

@@ -46,9 +46,7 @@ class Database
 	}
 
 
-	/**
-	 * @return Table[]
-	 */
+	/** @return Table[] */
 	public function getTables(): array
 	{
 		$this->init();
@@ -56,9 +54,7 @@ class Database
 	}
 
 
-	/**
-	 * @return string[]
-	 */
+	/** @return string[] */
 	public function getTableNames(): array
 	{
 		$this->init();

src/Dibi/Reflection/Result.php

@@ -28,7 +28,7 @@ class Result
 	/** @var Column[]|null */
 	private $columns;
 
-	/** @var string[]|null */
+	/** @var Column[]|null */
 	private $names;
 
 
@@ -38,9 +38,7 @@ class Result
 	}
 
 
-	/**
-	 * @return Column[]
-	 */
+	/** @return Column[] */
 	public function getColumns(): array
 	{
 		$this->initColumns();
@@ -48,9 +46,7 @@ class Result
 	}
 
 
-	/**
-	 * @return string[]
-	 */
+	/** @return string[] */
 	public function getColumnNames(bool $fullNames = false): array
 	{
 		$this->initColumns();
@@ -86,7 +82,9 @@ class Result
 	{
 		if ($this->columns === null) {
 			$this->columns = [];
-			$reflector = $this->driver instanceof Dibi\Reflector ? $this->driver : null;
+			$reflector = $this->driver instanceof Dibi\Reflector
+				? $this->driver
+				: null;
 			foreach ($this->driver->getResultColumns() as $info) {
 				$this->columns[] = $this->names[strtolower($info['name'])] = new Column($reflector, $info);
 			}

src/Dibi/Reflection/Table.php

@@ -69,9 +69,7 @@ class Table
 	}
 
 
-	/**
-	 * @return Column[]
-	 */
+	/** @return Column[] */
 	public function getColumns(): array
 	{
 		$this->initColumns();
@@ -79,9 +77,7 @@ class Table
 	}
 
 
-	/**
-	 * @return string[]
-	 */
+	/** @return string[] */
 	public function getColumnNames(): array
 	{
 		$this->initColumns();
@@ -113,9 +109,7 @@ class Table
 	}
 
 
-	/**
-	 * @return ForeignKey[]
-	 */
+	/** @return ForeignKey[] */
 	public function getForeignKeys(): array
 	{
 		$this->initForeignKeys();
@@ -123,9 +117,7 @@ class Table
 	}
 
 
-	/**
-	 * @return Index[]
-	 */
+	/** @return Index[] */
 	public function getIndexes(): array
 	{
 		$this->initIndexes();

src/Dibi/Result.php

@@ -19,7 +19,7 @@ class Result implements IDataSource
 {
 	use Strict;
 
-	/** @var ResultDriver */
+	/** @var ResultDriver|null */
 	private $driver;
 
 	/** @var array  Translate table */
@@ -41,10 +41,12 @@ class Result implements IDataSource
 	private $formats = [];
 
 
-	public function __construct(ResultDriver $driver)
+	public function __construct(ResultDriver $driver, bool $normalize = true)
 	{
 		$this->driver = $driver;
-		$this->detectTypes();
+		if ($normalize) {
+			$this->detectTypes();
+		}
 	}
 
 
@@ -83,7 +85,9 @@ class Result implements IDataSource
 	 */
 	final public function seek(int $row): bool
 	{
-		return ($row !== 0 || $this->fetched) ? $this->getResultDriver()->seek($row) : true;
+		return ($row !== 0 || $this->fetched)
+			? $this->getResultDriver()->seek($row)
+			: true;
 	}
 
 
@@ -199,7 +203,7 @@ class Result implements IDataSource
 	 */
 	final public function fetchAll(int $offset = null, int $limit = null): array
 	{
-		$limit = $limit === null ? -1 : $limit;
+		$limit = $limit ?? -1;
 		$this->seek($offset ?: 0);
 		$row = $this->fetch();
 		if (!$row) {
@@ -242,6 +246,9 @@ class Result implements IDataSource
 
 		$data = null;
 		$assoc = preg_split('#(\[\]|->|=|\|)#', $assoc, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
+		if (!$assoc) {
+			throw new \InvalidArgumentException("Invalid descriptor '$assoc'.");
+		}
 
 		// check columns
 		foreach ($assoc as $as) {
@@ -282,7 +289,7 @@ class Result implements IDataSource
 					}
 
 				} elseif ($as !== '|') { // associative-array node
-					$x = &$x[$row->$as];
+					$x = &$x[(string) $row->$as];
 				}
 			}
 
@@ -292,13 +299,12 @@ class Result implements IDataSource
 		} while ($row = $this->fetch());
 
 		unset($x);
+		/** @var mixed[] $data */
 		return $data;
 	}
 
 
-	/**
-	 * @deprecated
-	 */
+	/** @deprecated */
 	private function oldFetchAssoc(string $assoc)
 	{
 		$this->seek(0);
@@ -350,16 +356,14 @@ class Result implements IDataSource
 					}
 
 				} else { // associative-array node
-					$x = &$x[$row->$as];
+					$x = &$x[(string) $row->$as];
 				}
 			}
 
 			if ($x === null) { // build leaf
-				if ($leaf === '=') {
-					$x = $row->toArray();
-				} else {
-					$x = $row;
-				}
+				$x = $leaf === '='
+					? $row->toArray()
+					: $row;
 			}
 		} while ($row = $this->fetch());
 
@@ -452,7 +456,12 @@ class Result implements IDataSource
 				continue;
 			}
 			$value = $row[$key];
-			if ($type === Type::TEXT) {
+			$format = $this->formats[$type] ?? null;
+
+			if ($type === null || $format === 'native') {
+				$row[$key] = $value;
+
+			} elseif ($type === Type::TEXT) {
 				$row[$key] = (string) $value;
 
 			} elseif ($type === Type::INTEGER) {
@@ -463,8 +472,11 @@ class Result implements IDataSource
 			} elseif ($type === Type::FLOAT) {
 				$value = ltrim((string) $value, '0');
 				$p = strpos($value, '.');
-				if ($p !== false) {
+				$e = strpos($value, 'e');
+				if ($p !== false && $e === false) {
 					$value = rtrim(rtrim($value, '0'), '.');
+				} elseif ($p !== false && $e !== false) {
+					$value = rtrim($value, '.');
 				}
 				if ($value === '' || $value[0] === '.') {
 					$value = '0' . $value;
@@ -479,21 +491,31 @@ class Result implements IDataSource
 			} elseif ($type === Type::DATETIME || $type === Type::DATE || $type === Type::TIME) {
 				if ($value && substr((string) $value, 0, 3) !== '000') { // '', null, false, '0000-00-00', ...
 					$value = new DateTime($value);
-					$row[$key] = empty($this->formats[$type]) ? $value : $value->format($this->formats[$type]);
+					$row[$key] = $format ? $value->format($format) : $value;
 				} else {
 					$row[$key] = null;
 				}
 
 			} elseif ($type === Type::TIME_INTERVAL) {
 				preg_match('#^(-?)(\d+)\D(\d+)\D(\d+)\z#', $value, $m);
-				$row[$key] = new \DateInterval("PT$m[2]H$m[3]M$m[4]S");
-				$row[$key]->invert = (int) (bool) $m[1];
+				$value = new \DateInterval("PT$m[2]H$m[3]M$m[4]S");
+				$value->invert = (int) (bool) $m[1];
+				$row[$key] = $format ? $value->format($format) : $value;
 
 			} elseif ($type === Type::BINARY) {
-				$row[$key] = is_string($value) ? $this->getResultDriver()->unescapeBinary($value) : $value;
+				$row[$key] = is_string($value)
+					? $this->getResultDriver()->unescapeBinary($value)
+					: $value;
 
 			} elseif ($type === Type::JSON) {
-				$row[$key] = json_decode($value, true);
+				if ($format === 'string') { // back compatibility with 'native'
+					$row[$key] = $value;
+				} else {
+					$row[$key] = json_decode($value, $format === 'array');
+				}
+
+			} else {
+				throw new \RuntimeException('Unexpected type ' . $type);
 			}
 		}
 	}
@@ -501,9 +523,9 @@ class Result implements IDataSource
 
 	/**
 	 * Define column type.
-	 * @param  string  $type  use constant Type::*
+	 * @param  string|null  $type  use constant Type::*
 	 */
-	final public function setType(string $column, string $type): self
+	final public function setType(string $column, ?string $type): self
 	{
 		$this->types[$column] = $type;
 		return $this;
@@ -513,14 +535,23 @@ class Result implements IDataSource
 	/**
 	 * Returns column type.
 	 */
-	final public function getType(string $column): string
+	final public function getType(string $column): ?string
 	{
 		return $this->types[$column] ?? null;
 	}
 
 
 	/**
-	 * Sets date format.
+	 * Returns columns type.
+	 */
+	final public function getTypes(): array
+	{
+		return $this->types;
+	}
+
+
+	/**
+	 * Sets type format.
 	 */
 	final public function setFormat(string $type, ?string $format): self
 	{
@@ -529,6 +560,16 @@ class Result implements IDataSource
 	}
 
 
+	/**
+	 * Sets type formats.
+	 */
+	final public function setFormats(array $formats): self
+	{
+		$this->formats = $formats;
+		return $this;
+	}
+
+
 	/**
 	 * Returns data format.
 	 */
@@ -553,9 +594,7 @@ class Result implements IDataSource
 	}
 
 
-	/**
-	 * @return Reflection\Column[]
-	 */
+	/** @return Reflection\Column[] */
 	final public function getColumns(): array
 	{
 		return $this->getInfo()->getColumns();

src/Dibi/Row.php

@@ -53,6 +53,12 @@ class Row implements \ArrayAccess, \IteratorAggregate, \Countable
 	}
 
 
+	public function __isset(string $key): bool
+	{
+		return false;
+	}
+
+
 	/********************* interfaces ArrayAccess, Countable & IteratorAggregate ****************d*g**/
 
 

src/Dibi/Strict.php

@@ -29,15 +29,12 @@ trait Strict
 	 */
 	public function __call(string $name, array $args)
 	{
-		$class = get_class($this);
-		if ($cb = self::extensionMethod($class . '::' . $name)) { // back compatiblity
-			trigger_error("Extension methods such as $class::$name() are deprecated", E_USER_DEPRECATED);
-			array_unshift($args, $this);
-			return $cb(...$args);
-		}
-		$class = method_exists($this, $name) ? 'parent' : get_class($this);
+		$class = method_exists($this, $name) ? 'parent' : static::class;
 		$items = (new ReflectionClass($this))->getMethods(ReflectionMethod::IS_PUBLIC);
-		$hint = ($t = Helpers::getSuggestion($items, $name)) ? ", did you mean $t()?" : '.';
+		$items = array_map(function ($item) { return $item->getName(); }, $items);
+		$hint = ($t = Helpers::getSuggestion($items, $name))
+			? ", did you mean $t()?"
+			: '.';
 		throw new \LogicException("Call to undefined method $class::$name()$hint");
 	}
 
@@ -48,9 +45,12 @@ trait Strict
 	 */
 	public static function __callStatic(string $name, array $args)
 	{
-		$rc = new ReflectionClass(get_called_class());
-		$items = array_intersect($rc->getMethods(ReflectionMethod::IS_PUBLIC), $rc->getMethods(ReflectionMethod::IS_STATIC));
-		$hint = ($t = Helpers::getSuggestion($items, $name)) ? ", did you mean $t()?" : '.';
+		$rc = new ReflectionClass(static::class);
+		$items = array_filter($rc->getMethods(\ReflectionMethod::IS_STATIC), function ($m) { return $m->isPublic(); });
+		$items = array_map(function ($item) { return $item->getName(); }, $items);
+		$hint = ($t = Helpers::getSuggestion($items, $name))
+			? ", did you mean $t()?"
+			: '.';
 		throw new \LogicException("Call to undefined static method {$rc->getName()}::$name()$hint");
 	}
 
@@ -68,8 +68,11 @@ trait Strict
 			return $ret;
 		}
 		$rc = new ReflectionClass($this);
-		$items = array_diff($rc->getProperties(ReflectionProperty::IS_PUBLIC), $rc->getProperties(ReflectionProperty::IS_STATIC));
-		$hint = ($t = Helpers::getSuggestion($items, $name)) ? ", did you mean $$t?" : '.';
+		$items = array_filter($rc->getProperties(ReflectionProperty::IS_PUBLIC), function ($p) { return !$p->isStatic(); });
+		$items = array_map(function ($item) { return $item->getName(); }, $items);
+		$hint = ($t = Helpers::getSuggestion($items, $name))
+			? ", did you mean $$t?"
+			: '.';
 		throw new \LogicException("Attempt to read undeclared property {$rc->getName()}::$$name$hint");
 	}
 
@@ -81,8 +84,11 @@ trait Strict
 	public function __set(string $name, $value)
 	{
 		$rc = new ReflectionClass($this);
-		$items = array_diff($rc->getProperties(ReflectionProperty::IS_PUBLIC), $rc->getProperties(ReflectionProperty::IS_STATIC));
-		$hint = ($t = Helpers::getSuggestion($items, $name)) ? ", did you mean $$t?" : '.';
+		$items = array_filter($rc->getProperties(ReflectionProperty::IS_PUBLIC), function ($p) { return !$p->isStatic(); });
+		$items = array_map(function ($item) { return $item->getName(); }, $items);
+		$hint = ($t = Helpers::getSuggestion($items, $name))
+			? ", did you mean $$t?"
+			: '.';
 		throw new \LogicException("Attempt to write to undeclared property {$rc->getName()}::$$name$hint");
 	}
 
@@ -99,42 +105,7 @@ trait Strict
 	 */
 	public function __unset(string $name)
 	{
-		$class = get_class($this);
+		$class = static::class;
 		throw new \LogicException("Attempt to unset undeclared property $class::$$name.");
 	}
-
-
-	/**
-	 * @return mixed
-	 * @deprecated
-	 */
-	public static function extensionMethod(string $name, callable $callback = null)
-	{
-		if (strpos($name, '::') === false) {
-			$class = get_called_class();
-		} else {
-			[$class, $name] = explode('::', $name);
-			$class = (new ReflectionClass($class))->getName();
-		}
-
-		$list = &self::$extMethods[strtolower($name)];
-		if ($callback === null) { // getter
-			$cache = &$list[''][$class];
-			if (isset($cache)) {
-				return $cache;
-			}
-
-			foreach ([$class] + class_parents($class) + class_implements($class) as $cl) {
-				if (isset($list[$cl])) {
-					return $cache = $list[$cl];
-				}
-			}
-			return $cache = false;
-
-		} else { // setter
-			trigger_error("Extension methods such as $class::$name() are deprecated", E_USER_DEPRECATED);
-			$list[$class] = $callback;
-			$list[''] = null;
-		}
-	}
 }

src/Dibi/Translator.php

@@ -92,24 +92,26 @@ final class Translator
 					$sql[] = $arg;
 				} else {
 					$sql[] = substr($arg, 0, $toSkip)
-/*
-					. preg_replace_callback('/
-					(?=[`[\'":%?])                    ## speed-up
-					(?:
-						`(.+?)`|                     ## 1) `identifier`
-						\[(.+?)\]|                   ## 2) [identifier]
-						(\')((?:\'\'|[^\'])*)\'|     ## 3,4) 'string'
-						(")((?:""|[^"])*)"|          ## 5,6) "string"
-						(\'|")|                      ## 7) lone quote
-						:(\S*?:)([a-zA-Z0-9._]?)|    ## 8,9) :substitution:
-						%([a-zA-Z~][a-zA-Z0-9~]{0,5})|## 10) modifier
-						(\?)                         ## 11) placeholder
-					)/xs',
-*/                  // note: this can change $this->args & $this->cursor & ...
-					. preg_replace_callback('/(?=[`[\'":%?])(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|:(\S*?:)([a-zA-Z0-9._]?)|%([a-zA-Z~][a-zA-Z0-9~]{0,5})|(\?))/s',
+						// note: this can change $this->args & $this->cursor & ...
+						. preg_replace_callback(
+							<<<'XX'
+							/
+							(?=[`['":%?])                       ## speed-up
+							(?:
+								`(.+?)`|                        ## 1) `identifier`
+								\[(.+?)\]|                      ## 2) [identifier]
+								(')((?:''|[^'])*)'|             ## 3,4) string
+								(")((?:""|[^"])*)"|             ## 5,6) "string"
+								('|")|                          ## 7) lone quote
+								:(\S*?:)([a-zA-Z0-9._]?)|       ## 8,9) :substitution:
+								%([a-zA-Z~][a-zA-Z0-9~]{0,5})|  ## 10) modifier
+								(\?)                            ## 11) placeholder
+							)/xs
+XX
+,
 							[$this, 'cb'],
 							substr($arg, $toSkip)
-					);
+						);
 					if (preg_last_error()) {
 						throw new PcreException;
 					}
@@ -151,7 +153,7 @@ final class Translator
 			$sql[] = '*/';
 		}
 
-		$sql = implode(' ', $sql);
+		$sql = trim(implode(' ', $sql), ' ');
 
 		if ($this->errors) {
 			throw new Exception('SQL translate error: ' . trim(reset($this->errors), '*'), 0, $sql);
@@ -289,7 +291,7 @@ final class Translator
 						if (is_array($v)) {
 							$vx[] = $this->formatValue($v, 'ex');
 						} elseif (is_string($k)) {
-							$v = (is_string($v) && strncasecmp($v, 'd', 1)) || $v > 0 ? 'ASC' : 'DESC';
+							$v = (is_string($v) ? strncasecmp($v, 'd', 1) : $v > 0) ? 'ASC' : 'DESC';
 							$vx[] = $this->identifiers->$k . ' ' . $v;
 						} else {
 							$vx[] = $this->identifiers->$v;
@@ -322,7 +324,13 @@ final class Translator
 				} elseif ($value instanceof Expression && $modifier === 'ex') {
 					return $this->connection->translate(...$value->getValues());
 
-				} elseif ($value instanceof \DateTimeInterface && ($modifier === 'd' || $modifier === 't' || $modifier === 'dt')) {
+				} elseif (
+					$value instanceof \DateTimeInterface
+					&& ($modifier === 'd'
+						|| $modifier === 't'
+						|| $modifier === 'dt'
+					)
+				) {
 					// continue
 				} else {
 					$type = is_object($value) ? get_class($value) : gettype($value);
@@ -332,21 +340,29 @@ final class Translator
 
 			switch ($modifier) {
 				case 's':  // string
-					return $value === null ? 'NULL' : $this->driver->escapeText((string) $value);
+					return $value === null
+						? 'NULL'
+						: $this->driver->escapeText((string) $value);
 
 				case 'bin':// binary
-					return $value === null ? 'NULL' : $this->driver->escapeBinary($value);
+					return $value === null
+						? 'NULL'
+						: $this->driver->escapeBinary($value);
 
 				case 'b':  // boolean
-					return $value === null ? 'NULL' : $this->driver->escapeBool((bool) $value);
+					return $value === null
+						? 'NULL'
+						: $this->driver->escapeBool((bool) $value);
 
 				case 'sN': // string or null
 				case 'sn':
-					return $value == '' ? 'NULL' : $this->driver->escapeText((string) $value); // notice two equal signs
+					return $value === '' || $value === 0 || $value === null
+						? 'NULL'
+						: $this->driver->escapeText((string) $value);
 
 				case 'iN': // signed int or null
-					if ($value == '') {
-						$value = null;
+					if ($value === '' || $value === 0 || $value === null) {
+						return 'NULL';
 					}
 					// break omitted
 				case 'i':  // signed int
@@ -381,10 +397,13 @@ final class Translator
 				case 'dt': // datetime
 					if ($value === null) {
 						return 'NULL';
-					} else {
-						return $modifier === 'd' ? $this->driver->escapeDate($value) : $this->driver->escapeDateTime($value);
+					} elseif (!$value instanceof \DateTimeInterface) {
+						$value = new DateTime($value);
 					}
-					// break omitted
+					return $modifier === 'd'
+						? $this->driver->escapeDate($value)
+						: $this->driver->escapeDateTime($value);
+
 				case 'by':
 				case 'n':  // composed identifier name
 					return $this->identifiers->$value;
@@ -399,11 +418,23 @@ final class Translator
 					$toSkip = strcspn($value, '`[\'":');
 					if (strlen($value) !== $toSkip) {
 						$value = substr($value, 0, $toSkip)
-						. preg_replace_callback(
-							'/(?=[`[\'":])(?:`(.+?)`|\[(.+?)\]|(\')((?:\'\'|[^\'])*)\'|(")((?:""|[^"])*)"|(\'|")|:(\S*?:)([a-zA-Z0-9._]?))/s',
-							[$this, 'cb'],
-							substr($value, $toSkip)
-						);
+							. preg_replace_callback(
+								<<<'XX'
+								/
+								(?=[`['":])
+								(?:
+									`(.+?)`|
+									\[(.+?)\]|
+									(')((?:''|[^'])*)'|
+									(")((?:""|[^"])*)"|
+									('|")|
+									:(\S*?:)([a-zA-Z0-9._]?)
+								)/sx
+XX
+,
+								[$this, 'cb'],
+								substr($value, $toSkip)
+							);
 						if (preg_last_error()) {
 							throw new PcreException;
 						}
@@ -414,12 +445,15 @@ final class Translator
 					return (string) $value;
 
 				case 'like~':  // LIKE string%
-					return $this->driver->escapeLike($value, 1);
+					return $this->driver->escapeLike($value, 2);
 
 				case '~like':  // LIKE %string
-					return $this->driver->escapeLike($value, -1);
+					return $this->driver->escapeLike($value, 1);
 
 				case '~like~': // LIKE %string%
+					return $this->driver->escapeLike($value, 3);
+
+				case 'like': // LIKE string
 					return $this->driver->escapeLike($value, 0);
 
 				case 'and':
@@ -455,6 +489,9 @@ final class Translator
 		} elseif ($value instanceof \DateTimeInterface) {
 			return $this->driver->escapeDateTime($value);
 
+		} elseif ($value instanceof \DateInterval) {
+			return $this->driver->escapeDateInterval($value);
+
 		} elseif ($value instanceof Literal) {
 			return (string) $value;
 
@@ -590,7 +627,9 @@ final class Translator
 		if ($matches[8]) { // SQL identifier substitution
 			$m = substr($matches[8], 0, -1);
 			$m = $this->connection->getSubstitutes()->$m;
-			return $matches[9] == '' ? $this->formatValue($m, null) : $m . $matches[9]; // value or identifier
+			return $matches[9] === ''
+				? $this->formatValue($m, null)
+				: $m . $matches[9]; // value or identifier
 		}
 
 		throw new \Exception('this should be never executed');

src/Dibi/Type.php

@@ -30,6 +30,6 @@ class Type
 
 	final public function __construct()
 	{
-		throw new \LogicException('Cannot instantiate static class ' . __CLASS__);
+		throw new \LogicException('Cannot instantiate static class ' . self::class);
 	}
 }

src/Dibi/dibi.php

@@ -11,28 +11,29 @@ declare(strict_types=1);
 /**
  * Static container class for Dibi connections.
  *
- * @method void disconnect()
- * @method Dibi\Result query(...$args)
- * @method Dibi\Result nativeQuery(...$args)
- * @method bool test(...$args)
- * @method Dibi\DataSource dataSource(...$args)
- * @method Dibi\Row|null fetch(...$args)
- * @method array fetchAll(...$args)
- * @method mixed fetchSingle(...$args)
- * @method array fetchPairs(...$args)
- * @method int getAffectedRows()
- * @method int getInsertId(string $sequence = null)
- * @method void begin(string $savepoint = null)
- * @method void commit(string $savepoint = null)
- * @method void rollback(string $savepoint = null)
- * @method Dibi\Reflection\Database getDatabaseInfo()
- * @method Dibi\Fluent command()
- * @method Dibi\Fluent select(...$args)
- * @method Dibi\Fluent update(string $table, array $args)
- * @method Dibi\Fluent insert(string $table, array $args)
- * @method Dibi\Fluent delete(string $table)
- * @method Dibi\HashMap getSubstitutes()
- * @method int loadFile(string $file)
+ * @method static void disconnect()
+ * @method static Dibi\Result query(...$args)
+ * @method static Dibi\Result nativeQuery(...$args)
+ * @method static bool test(...$args)
+ * @method static Dibi\DataSource dataSource(...$args)
+ * @method static Dibi\Row|null fetch(...$args)
+ * @method static array fetchAll(...$args)
+ * @method static mixed fetchSingle(...$args)
+ * @method static array fetchPairs(...$args)
+ * @method static int getAffectedRows()
+ * @method static int getInsertId(string $sequence = null)
+ * @method static void begin(string $savepoint = null)
+ * @method static void commit(string $savepoint = null)
+ * @method static void rollback(string $savepoint = null)
+ * @method static mixed transaction(callable $callback)
+ * @method static Dibi\Reflection\Database getDatabaseInfo()
+ * @method static Dibi\Fluent command()
+ * @method static Dibi\Fluent select(...$args)
+ * @method static Dibi\Fluent update(string|string[] $table, array $args)
+ * @method static Dibi\Fluent insert(string $table, array $args)
+ * @method static Dibi\Fluent delete(string $table)
+ * @method static Dibi\HashMap getSubstitutes()
+ * @method static int loadFile(string $file)
  */
 class dibi
 {
@@ -44,7 +45,7 @@ class dibi
 
 	/** version */
 	public const
-		VERSION = '4.0.0';
+		VERSION = '4.2.3';
 
 	/** sorting order */
 	public const
@@ -75,7 +76,7 @@ class dibi
 	 */
 	final public function __construct()
 	{
-		throw new LogicException('Cannot instantiate static class ' . get_class($this));
+		throw new LogicException('Cannot instantiate static class ' . static::class);
 	}
 
 
@@ -145,26 +146,6 @@ class dibi
 	}
 
 
-	/**
-	 * @deprecated
-	 */
-	public static function affectedRows(): int
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use getAffectedRows()', E_USER_DEPRECATED);
-		return self::getConnection()->getAffectedRows();
-	}
-
-
-	/**
-	 * @deprecated
-	 */
-	public static function insertId(string $sequence = null): int
-	{
-		trigger_error(__METHOD__ . '() is deprecated, use getInsertId()', E_USER_DEPRECATED);
-		return self::getConnection()->getInsertId($sequence);
-	}
-
-
 	/********************* misc tools ****************d*g**/
 
 

src/Dibi/interfaces.php

@@ -87,15 +87,11 @@ interface Driver
 
 	function escapeBool(bool $value): string;
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	function escapeDate($value): string;
+	function escapeDate(\DateTimeInterface $value): string;
 
-	/**
-	 * @param  \DateTimeInterface|string|int  $value
-	 */
-	function escapeDateTime($value): string;
+	function escapeDateTime(\DateTimeInterface $value): string;
+
+	function escapeDateInterval(\DateInterval $value): string;
 
 	/**
 	 * Encodes string for use in a LIKE statement.

tests/.coveralls.yml

@@ -1,4 +1,4 @@
 # for php-coveralls
-service_name: travis-ci
+service_name: github-actions
 coverage_clover: coverage.xml
 json_path: coverage.json

tests/coding-standard.neon

@@ -1,7 +0,0 @@
-includes:
-	- ../temp/coding-standard/coding-standard-php71.neon
-
-parameters:
-	skip:
-		PhpCsFixer\Fixer\Operator\TernaryToNullCoalescingFixer:
-			- src/Dibi/HashMap.php  # issue #260

tests/databases.appveyor.ini

@@ -1,5 +1,5 @@
 [sqlite] ; default
-driver = sqlite3
+driver = sqlite
 database = :memory:
 system = sqlite
 

tests/databases.github.ini

@@ -0,0 +1,89 @@
+[sqlite] ; default
+driver = sqlite
+database = :memory:
+system = sqlite
+
+[sqlite pdo]
+driver = pdo
+dsn = "sqlite::memory:"
+system = sqlite
+
+[mysql 5.7]
+driver = mysqli
+host = "127.0.0.1"
+database = dibi_test
+username = root
+password = root
+port = 3306
+system = mysql
+
+[mysql 5.7pdo]
+driver = pdo
+dsn = "mysql:host=127.0.0.1;port=3306;dbname=dibi_test"
+user = root
+password = root
+system = mysql
+
+[mysql 8.0]
+driver = mysqli
+host = "127.0.0.1"
+database = dibi_test
+username = root
+password = root
+port = 3307
+system = mysql
+
+[mysql 8.0pdo]
+driver = pdo
+dsn = "mysql:host=127.0.0.1;port=3307;dbname=dibi_test"
+user = root
+password = root
+system = mysql
+
+[postgre 9.6]
+driver = postgre
+host = "127.0.0.1"
+database = dibi_test
+username = postgres
+password = postgres
+port = 5432
+system = postgre
+
+[postgre 9.6pdo]
+driver = pdo
+dsn = "pgsql:host=127.0.0.1;port=5432;dbname=dibi_test"
+user = postgres
+password = postgres
+system = postgre
+
+[postgre 13]
+driver = postgre
+host = "127.0.0.1"
+database = dibi_test
+username = postgres
+password = postgres
+port = 5433
+system = postgre
+
+[postgre 13pdo]
+driver = pdo
+dsn = "pgsql:host=127.0.0.1;port=5433;dbname=dibi_test"
+user = postgres
+password = postgres
+system = postgre
+
+[sqlsrv]
+driver = sqlsrv
+host = "localhost"
+username = SA
+password = "YourStrong!Passw0rd"
+database = dibi_test
+port = 1433
+system = sqlsrv
+
+;[sqlsrv pdo]
+;driver = pdo
+;dsn = "sqlsrv:Server=localhost,1433;Database=dibi_test"
+;user = SA
+;password = "YourStrong!Passw0rd"
+;system = sqlsrv

tests/databases.sample.ini

@@ -1,5 +1,5 @@
 [sqlite] ; default
-driver = sqlite3
+driver = sqlite
 database = :memory:
 system = sqlite
 

tests/databases.travis.ini

@@ -1,38 +0,0 @@
-[sqlite] ; default
-driver = sqlite3
-database = :memory:
-system = sqlite
-
-[sqlite pdo]
-driver = pdo
-dsn = "sqlite::memory:"
-system = sqlite
-
-[mysql improved]
-driver = mysqli
-host = 127.0.0.1
-username = root
-password =
-charset = utf8
-system = mysql
-
-[mysql pdo]
-driver = pdo
-dsn = "mysql:host=127.0.0.1"
-username = root
-password =
-system = mysql
-
-[postgre]
-driver = postgre
-host = 127.0.0.1
-username = postgres
-password =
-system = postgre
-
-[postgre pdo]
-driver = pdo
-dsn = "pgsql:host=127.0.0.1;dbname=dibi_test"
-username = postgres
-password =
-system = postgre

tests/dibi/Connection.connect.phpt

@@ -12,7 +12,7 @@ use Tester\Assert;
 require __DIR__ . '/bootstrap.php';
 
 
-test(function () use ($config) {
+test('', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -21,7 +21,7 @@ test(function () use ($config) {
 });
 
 
-test(function () use ($config) { // lazy
+test('lazy', function () use ($config) {
 	$conn = new Connection($config + ['lazy' => true]);
 	Assert::false($conn->isConnected());
 
@@ -30,7 +30,7 @@ test(function () use ($config) { // lazy
 });
 
 
-test(function () use ($config) {
+test('', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -40,7 +40,7 @@ test(function () use ($config) {
 });
 
 
-test(function () use ($config) {
+test('', function () use ($config) {
 	$conn = new Connection($config);
 	Assert::true($conn->isConnected());
 
@@ -50,3 +50,38 @@ test(function () use ($config) {
 	$conn->disconnect();
 	Assert::false($conn->isConnected());
 });
+
+
+test('', function () use ($config) {
+	$conn = new Connection($config);
+	Assert::equal('hello', $conn->query('SELECT %s', 'hello')->fetchSingle());
+
+	$conn->disconnect();
+
+	$conn->connect();
+	Assert::equal('hello', $conn->query('SELECT %s', 'hello')->fetchSingle());
+});
+
+
+test('', function () use ($config) {
+	Assert::exception(function () use ($config) {
+		new Connection($config + ['onConnect' => '']);
+	}, InvalidArgumentException::class, "Configuration option 'onConnect' must be array.");
+
+	$e = Assert::exception(function () use ($config) {
+		new Connection($config + ['onConnect' => ['STOP']]);
+	}, Dibi\DriverException::class);
+	Assert::same('STOP', $e->getSql());
+
+	$e = Assert::exception(function () use ($config) {
+		new Connection($config + ['onConnect' => [['STOP %i', 123]]]);
+	}, Dibi\DriverException::class);
+	Assert::same('STOP 123', $e->getSql());
+
+	// lazy
+	$conn = new Connection($config + ['lazy' => true, 'onConnect' => ['STOP']]);
+	$e = Assert::exception(function () use ($conn) {
+		$conn->query('SELECT 1');
+	}, Dibi\DriverException::class);
+	Assert::same('STOP', $e->getSql());
+});

tests/dibi/Connection.transactions.phpt

@@ -30,21 +30,102 @@ Assert::exception(function () use ($conn) {
 */
 
 
-$conn->begin();
-Assert::same(3, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
-$conn->query('INSERT INTO [products]', [
-	'title' => 'Test product',
-]);
-Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
-$conn->rollback();
-Assert::same(3, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+test('begin() & rollback()', function () use ($conn) {
+	$conn->begin();
+	Assert::same(3, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+	$conn->query('INSERT INTO [products]', [
+		'title' => 'Test product',
+	]);
+	Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+	$conn->rollback();
+	Assert::same(3, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+});
 
 
+test('begin() & commit()', function () use ($conn) {
+	$conn->begin();
+	$conn->query('INSERT INTO [products]', [
+		'title' => 'Test product',
+	]);
+	$conn->commit();
+	Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+});
 
 
-$conn->begin();
-$conn->query('INSERT INTO [products]', [
-	'title' => 'Test product',
-]);
-$conn->commit();
-Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+test('transaction() fail', function () use ($conn) {
+	Assert::exception(function () use ($conn) {
+		$conn->transaction(function (Dibi\Connection $connection) {
+			$connection->query('INSERT INTO [products]', [
+				'title' => 'Test product',
+			]);
+			throw new Exception('my exception');
+		});
+	}, \Throwable::class, 'my exception');
+	Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+});
+
+
+test('transaction() success', function () use ($conn) {
+	$conn->transaction(function (Dibi\Connection $connection) {
+		$connection->query('INSERT INTO [products]', [
+			'title' => 'Test product',
+		]);
+	});
+	Assert::same(5, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+});
+
+
+test('nested transaction() call fail', function () use ($conn) {
+	Assert::exception(function () use ($conn) {
+		$conn->transaction(function (Dibi\Connection $connection) {
+			$connection->query('INSERT INTO [products]', [
+				'title' => 'Test product',
+			]);
+
+			$connection->transaction(function (Dibi\Connection $connection2) {
+				$connection2->query('INSERT INTO [products]', [
+					'title' => 'Test product',
+				]);
+				throw new Exception('my exception');
+			});
+		});
+	}, \Throwable::class, 'my exception');
+	Assert::same(5, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+});
+
+
+test('nested transaction() call success', function () use ($conn) {
+	$conn->transaction(function (Dibi\Connection $connection) {
+		$connection->query('INSERT INTO [products]', [
+			'title' => 'Test product',
+		]);
+
+		$connection->transaction(function (Dibi\Connection $connection2) {
+			$connection2->query('INSERT INTO [products]', [
+				'title' => 'Test product',
+			]);
+		});
+	});
+	Assert::same(7, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+});
+
+
+test('begin(), commit() & rollback() calls are forbidden in transaction()', function () use ($conn) {
+	Assert::exception(function () use ($conn) {
+		$conn->transaction(function (Dibi\Connection $connection) {
+			$connection->begin();
+		});
+	}, \LogicException::class, Dibi\Connection::class . '::begin() call is forbidden inside a transaction() callback');
+
+	Assert::exception(function () use ($conn) {
+		$conn->transaction(function (Dibi\Connection $connection) {
+			$connection->commit();
+		});
+	}, \LogicException::class, Dibi\Connection::class . '::commit() call is forbidden inside a transaction() callback');
+
+	Assert::exception(function () use ($conn) {
+		$conn->transaction(function (Dibi\Connection $connection) {
+			$connection->rollback();
+		});
+	}, \LogicException::class, Dibi\Connection::class . '::rollback() call is forbidden inside a transaction() callback');
+});

tests/dibi/DataSource.phpt

@@ -77,7 +77,7 @@ SELECT [product_id]
 FROM (SELECT * FROM products) t
  WHERE (title like '%a%') AND (product_id = 1) AND (product_id = 1)
  ORDER BY [product_id] ASC
- ) t"), dibi::$sql);
+) t"), dibi::$sql);
 Assert::same(1, $ds->toDataSource()->count());
 
 
@@ -93,7 +93,7 @@ SELECT [product_id]
 FROM (SELECT * FROM products) t
  WHERE (title like '%a%') AND (product_id = 1) AND (product_id = 1)
  ORDER BY [product_id] ASC
- "),
+"),
 	dibi::$sql
 );
 
@@ -106,7 +106,7 @@ SELECT [product_id]
 FROM (SELECT * FROM products) t
  WHERE (title like '%a%') AND (product_id = 1) AND (product_id = 1)
  ORDER BY [product_id] ASC
- ) t"),
+) t"),
 	(string) $fluent
 );
 

tests/dibi/Fluent.fetch.limit.mssql.phpt

@@ -56,28 +56,28 @@ $fluent = $conn->select('*')
 	->orderBy('customer_id');
 
 Assert::same(
-	reformat('SELECT TOP (1) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (1) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	(string) $fluent
 );
 
 
 $fluent->fetch();
 Assert::same(
-	'SELECT TOP (1) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t',
+	'SELECT TOP (1) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t',
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat('SELECT TOP (1) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (1) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	dibi::$sql
 );
 $fluent->fetchAll(0, 3);
 Assert::same(
-	reformat('SELECT TOP (3) * FROM (    SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (3) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	dibi::$sql
 );
 Assert::same(
-	reformat('SELECT TOP (1) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (1) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	(string) $fluent
 );
 
@@ -85,16 +85,16 @@ Assert::same(
 $fluent->limit(0);
 $fluent->fetch();
 Assert::same(
-	reformat('SELECT TOP (0) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (0) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat('SELECT TOP (0) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (0) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	dibi::$sql
 );
 Assert::same(
-	reformat('SELECT TOP (0) * FROM (  SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (0) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	(string) $fluent
 );
 
@@ -103,12 +103,12 @@ $fluent->removeClause('limit');
 $fluent->removeClause('offset');
 $fluent->fetch();
 Assert::same(
-	reformat('SELECT TOP (1) * FROM ( SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (1) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat('SELECT TOP (1) * FROM ( SELECT * FROM [customers] ORDER BY [customer_id]) t'),
+	reformat('SELECT TOP (1) * FROM (SELECT * FROM [customers] ORDER BY [customer_id]) t'),
 	dibi::$sql
 );
 Assert::same(

tests/dibi/Fluent.fetch.limit.phpt

@@ -22,28 +22,28 @@ $fluent = $conn->select('*')
 	->orderBy('customer_id');
 
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
 	(string) $fluent
 );
 
 
 $fluent->fetch();
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
 	dibi::$sql
 );
 $fluent->fetchAll(2, 3);
 Assert::same(
-	reformat('    SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 3 OFFSET 2'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 3 OFFSET 2'),
 	dibi::$sql
 );
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
 	(string) $fluent
 );
 
@@ -51,16 +51,16 @@ Assert::same(
 $fluent->limit(0);
 $fluent->fetch();
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 0 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 0 OFFSET 3'),
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 0 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 0 OFFSET 3'),
 	dibi::$sql
 );
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 0 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 0 OFFSET 3'),
 	(string) $fluent
 );
 
@@ -68,16 +68,16 @@ Assert::same(
 $fluent->removeClause('limit');
 $fluent->fetch();
 Assert::same(
-	reformat('   SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat('   SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1 OFFSET 3'),
 	dibi::$sql
 );
 Assert::same(
-	reformat('  SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 18446744073709551615 OFFSET 3'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 18446744073709551615 OFFSET 3'),
 	(string) $fluent
 );
 
@@ -85,12 +85,12 @@ Assert::same(
 $fluent->removeClause('offset');
 $fluent->fetch();
 Assert::same(
-	reformat(' SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1'),
 	dibi::$sql
 );
 $fluent->fetchSingle();
 Assert::same(
-	reformat(' SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1'),
+	reformat('SELECT * FROM [customers] ORDER BY [customer_id] LIMIT 1'),
 	dibi::$sql
 );
 Assert::same(

tests/dibi/Fluent.select.phpt

@@ -95,9 +95,9 @@ $fluent = $conn->select('*')
 
 Assert::same(
 	reformat([
-		'odbc' => 'SELECT TOP 1 * FROM (  SELECT * , (SELECT count(*) FROM [precteni] AS [P] WHERE P.id_clanku = C.id_clanku) FROM [clanky] AS [C] WHERE id_clanku=123) t',
-		'sqlsrv' => '  SELECT * , (SELECT count(*) FROM [precteni] AS [P] WHERE P.id_clanku = C.id_clanku) FROM [clanky] AS [C] WHERE id_clanku=123 OFFSET 0 ROWS FETCH NEXT 1 ROWS ONLY',
-		'  SELECT * , (SELECT count(*) FROM [precteni] AS [P] WHERE P.id_clanku = C.id_clanku) FROM [clanky] AS [C] WHERE id_clanku=123 LIMIT 1',
+		'odbc' => 'SELECT TOP 1 * FROM (SELECT * , (SELECT count(*) FROM [precteni] AS [P] WHERE P.id_clanku = C.id_clanku) FROM [clanky] AS [C] WHERE id_clanku=123) t',
+		'sqlsrv' => 'SELECT * , (SELECT count(*) FROM [precteni] AS [P] WHERE P.id_clanku = C.id_clanku) FROM [clanky] AS [C] WHERE id_clanku=123 OFFSET 0 ROWS FETCH NEXT 1 ROWS ONLY',
+		'SELECT * , (SELECT count(*) FROM [precteni] AS [P] WHERE P.id_clanku = C.id_clanku) FROM [clanky] AS [C] WHERE id_clanku=123 LIMIT 1',
 	]),
 	(string) $fluent
 );
@@ -134,7 +134,10 @@ $fluent = $conn->select('*')
 	->where(['x' => 'a', 'b', 'c']);
 
 Assert::same(
-	reformat('SELECT * FROM [me] AS [t] WHERE col > 10 AND ([x] = \'a\') AND (b) AND (c)'),
+	reformat([
+		'sqlsrv' => "SELECT * FROM [me] AS [t] WHERE col > 10 AND ([x] = N'a') AND (b) AND (c)",
+		"SELECT * FROM [me] AS [t] WHERE col > 10 AND ([x] = 'a') AND (b) AND (c)",
+	]),
 	(string) $fluent
 );
 

tests/dibi/Fluent.update.phpt

@@ -29,3 +29,15 @@ Assert::same(
 	reformat('UPDATE IGNORE DELAYED [table] SET [title]=\'Super Product\', [price]=12, [brand]=NULL , [another]=123'),
 	(string) $fluent
 );
+
+
+$arr = [
+	'table1.title' => 'Super Product',
+	'table2.price' => 12,
+	'table2.brand' => null,
+];
+$fluent = $conn->update(['table1', 'table2'], $arr);
+Assert::same(
+	reformat('UPDATE [table1], [table2] SET [table1].[title]=\'Super Product\', [table2].[price]=12, [table2].[brand]=NULL'),
+	(string) $fluent
+);

tests/dibi/PdoDriver.providedConnection.phpt

@@ -0,0 +1,34 @@
+<?php
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+require __DIR__ . '/bootstrap.php';
+
+
+function buildPdoDriver(?int $errorMode)
+{
+	$pdo = new PDO('sqlite::memory:');
+	if ($errorMode !== null) {
+		$pdo->setAttribute(PDO::ATTR_ERRMODE, $errorMode);
+	}
+	new Dibi\Drivers\PdoDriver(['resource' => $pdo]);
+}
+
+
+// PDO error mode: exception
+Assert::exception(function () {
+	buildPdoDriver(PDO::ERRMODE_EXCEPTION);
+}, Dibi\DriverException::class, 'PDO connection in exception or warning error mode is not supported.');
+
+
+// PDO error mode: warning
+Assert::exception(function () {
+	buildPdoDriver(PDO::ERRMODE_WARNING);
+}, Dibi\DriverException::class, 'PDO connection in exception or warning error mode is not supported.');
+
+
+test('PDO error mode: explicitly set silent', function () {
+	buildPdoDriver(PDO::ERRMODE_SILENT);
+});

tests/dibi/Result.meta.phpt

@@ -32,7 +32,7 @@ Assert::same(
 );
 
 
-if (!in_array($config['driver'], ['sqlite3', 'pdo', 'sqlsrv'], true)) {
+if (!in_array($config['driver'], ['sqlite', 'sqlite3', 'pdo', 'sqlsrv'], true)) {
 	Assert::same(
 		['products.product_id', 'orders.order_id', 'customers.name', 'xXx'],
 		$info->getColumnNames(true)
@@ -43,7 +43,7 @@ if (!in_array($config['driver'], ['sqlite3', 'pdo', 'sqlsrv'], true)) {
 $columns = $info->getColumns();
 
 Assert::same('product_id', $columns[0]->getName());
-if (!in_array($config['driver'], ['sqlite3', 'pdo', 'sqlsrv'], true)) {
+if (!in_array($config['driver'], ['sqlite', 'sqlite3', 'pdo', 'sqlsrv'], true)) {
 	Assert::same('products', $columns[0]->getTableName());
 }
 Assert::null($columns[0]->getVendorInfo('xxx'));

tests/dibi/Result.normalize.phpt

@@ -24,7 +24,18 @@ class MockResult extends Dibi\Result
 }
 
 
-test(function () {
+test('', function () {
+	$result = new MockResult;
+	$result->setType('col', Type::TEXT);
+	$result->setFormat(Type::TEXT, 'native');
+
+	Assert::same(['col' => null], $result->test(['col' => null]));
+	Assert::same(['col' => true], $result->test(['col' => true]));
+	Assert::same(['col' => false], $result->test(['col' => false]));
+});
+
+
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::BOOL);
 
@@ -46,7 +57,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::TEXT);
 
@@ -62,7 +73,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::FLOAT);
 
@@ -100,6 +111,11 @@ test(function () {
 	Assert::same(['col' => 1.0], $result->test(['col' => 1]));
 	Assert::same(['col' => 1.0], $result->test(['col' => 1.0]));
 
+	Assert::same(['col' => '1.1e+10'], $result->test(['col' => '1.1e+10']));
+	Assert::same(['col' => '1.1e-10'], $result->test(['col' => '1.1e-10']));
+	Assert::same(['col' => '1.1e+10'], $result->test(['col' => '001.1e+10']));
+	Assert::notSame(['col' => '1.1e+1'], $result->test(['col' => '1.1e+10']));
+
 	setlocale(LC_ALL, 'de_DE@euro', 'de_DE', 'deu_deu');
 	Assert::same(['col' => 0.0], $result->test(['col' => '']));
 	Assert::same(['col' => 0.0], $result->test(['col' => '0']));
@@ -134,7 +150,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::INTEGER);
 
@@ -142,7 +158,14 @@ test(function () {
 	Assert::same(['col' => 1], $result->test(['col' => true]));
 	Assert::same(['col' => 0], $result->test(['col' => false]));
 
-	Assert::same(['col' => 0], @$result->test(['col' => ''])); // triggers warning in PHP 7.1
+	if (PHP_VERSION_ID < 80000) {
+		Assert::same(['col' => 0], @$result->test(['col' => ''])); // triggers warning since PHP 7.1
+	} else {
+		Assert::exception(function () use ($result) {
+			Assert::same(['col' => 0], $result->test(['col' => '']));
+		}, TypeError::class);
+	}
+
 	Assert::same(['col' => 0], $result->test(['col' => '0']));
 	Assert::same(['col' => 1], $result->test(['col' => '1']));
 	Assert::same(['col' => 10], $result->test(['col' => '10']));
@@ -160,7 +183,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::DATETIME);
 
@@ -178,7 +201,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::DATETIME);
 	$result->setFormat(Type::DATETIME, 'Y-m-d H:i:s');
@@ -197,7 +220,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::DATE);
 
@@ -213,7 +236,7 @@ test(function () {
 });
 
 
-test(function () {
+test('', function () {
 	$result = new MockResult;
 	$result->setType('col', Type::TIME);
 

tests/dibi/Row.phpt

@@ -35,6 +35,10 @@ Assert::error(function () use ($row) {
 Assert::false(isset($row->missing));
 Assert::false(isset($row['missing']));
 
+// ??
+Assert::same(123, $row->missing ?? 123);
+Assert::same(123, $row['missing'] ?? 123);
+
 
 // suggestions
 Assert::error(function () use ($row) {

tests/dibi/Sqlsrv.insert.phpt

@@ -23,7 +23,9 @@ Assert::equal(1, $conn->getInsertId());
 
 $conn->query(
 	'CREATE TRIGGER %n ON %n AFTER INSERT AS INSERT INTO %n DEFAULT VALUES',
-	'UpdAAB', 'aab', 'aaa'
+	'UpdAAB',
+	'aab',
+	'aaa'
 );
 
 $conn->query('INSERT INTO %n DEFAULT VALUES', 'aab');

tests/dibi/Translator.DateInterval.phpt

@@ -0,0 +1,25 @@
+<?php
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+require __DIR__ . '/bootstrap.php';
+
+$conn = new Dibi\Connection($config);
+$translator = new Dibi\Translator($conn);
+
+switch ($config['system']) {
+	case 'mysql':
+		Assert::equal('10:20:30.0', $translator->formatValue(new DateInterval('PT10H20M30S'), null));
+		Assert::equal('-1:00:00.0', $translator->formatValue(DateInterval::createFromDateString('-1 hour'), null));
+		Assert::exception(function () use ($translator) {
+			$translator->formatValue(new DateInterval('P2Y4DT6H8M'), null);
+		}, Dibi\NotSupportedException::class, 'Only time interval is supported.');
+		break;
+
+	default:
+		Assert::exception(function () use ($translator) {
+			$translator->formatValue(new DateInterval('PT10H20M30S'), null);
+		}, Dibi\Exception::class);
+}

tests/dibi/Translator.DateTimeInterface.phpt

@@ -1,9 +1,5 @@
 <?php
 
-/**
- * @phpversion 5.5
- */
-
 declare(strict_types=1);
 
 use Tester\Assert;

tests/dibi/Translator.conditions.phpt

@@ -19,12 +19,17 @@ Assert::same(
 SELECT *
 FROM [customers]
 /* WHERE ... LIKE ... */'),
-
-	$conn->translate('
+	$conn->translate(
+		'
 SELECT *
 FROM [customers]
-%if', isset($name), 'WHERE [name] LIKE %s', 'xxx', '%end'
-));
+%if',
+		isset($name),
+		'WHERE [name] LIKE %s',
+		'xxx',
+		'%end'
+	)
+);
 
 
 // if & else & end (last end is optional)
@@ -32,11 +37,14 @@ Assert::same(
 	reformat('
 SELECT *
 FROM  [customers] /* ... */'),
-
-	$conn->translate('
+	$conn->translate(
+		'
 SELECT *
-FROM %if', true, '[customers] %else [products]'
-));
+FROM %if',
+		true,
+		'[customers] %else [products]'
+	)
+);
 
 
 // if & else & (optional) end
@@ -48,43 +56,63 @@ WHERE [id] > 0
 	/* AND ...=...
 	*/  AND [bar]=1
 '),
-
 	$conn->translate('
 SELECT *
 FROM [people]
 WHERE [id] > 0
 	%if', false, 'AND [foo]=%i', 1, '
 	%else %if', true, 'AND [bar]=%i', 1, '
-'));
+')
+);
 
 
 // nested condition
 Assert::match(
-	reformat("
+	reformat([
+		'sqlsrv' => "
+SELECT *
+FROM [customers]
+WHERE
+	 [name] LIKE N'xxx'
+		/* AND ...=1 */
+	/* 1 LIMIT 10 */",
+		"
 SELECT *
 FROM [customers]
 WHERE
 	 [name] LIKE 'xxx'
 		/* AND ...=1 */
-	/* 1 LIMIT 10 */"),
-
-	$conn->translate('
+	/* 1 LIMIT 10 */",
+	]),
+	$conn->translate(
+		'
 SELECT *
 FROM [customers]
 WHERE
-	%if', true, '[name] LIKE %s', 'xxx', '
-		%if', false, 'AND [admin]=1 %end
+	%if',
+		true,
+		'[name] LIKE %s',
+		'xxx',
+		'
+		%if',
+		false,
+		'AND [admin]=1 %end
 	%else 1 LIMIT 10 %end'
-));
+	)
+);
 
 
 // limit & offset
 Assert::same(
 	'SELECT * FROM foo /* (limit 3) (offset 5) */',
 	$conn->translate(
-	'SELECT * FROM foo',
-	'%if', false,
-		'%lmt', 3,
-		'%ofs', 5,
-	'%end'
-));
+		'SELECT * FROM foo',
+		'%if',
+		false,
+		'%lmt',
+		3,
+		'%ofs',
+		5,
+		'%end'
+	)
+);

tests/dibi/Translator.like.phpt

@@ -0,0 +1,79 @@
+<?php
+
+/**
+ * @dataProvider ../databases.ini  !=sqlsrv
+ */
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+require __DIR__ . '/bootstrap.php';
+
+
+$conn = new Dibi\Connection($config);
+
+// starts with
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'a', 'b'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'baa', 'aa'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', 'aab', 'aa'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'bba', '%a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', '%ba', '%a'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', '%ab', '%a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'aa', '_a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', '_b', '_a'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', '_ab', '_a'));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', 'a"a', 'a"'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'b"', '%"'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', '%"', '%"'));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', "a'a", "a'"));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', "b'", "%'"));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', "%'", "%'"));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', 'a\\a', 'a\\'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'b\\', '%\\'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', '%\\', '%\\'));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', 'a[a', 'a['));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like~', 'b[', '%['));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like~', '%[', '%['));
+
+
+// ends with
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', 'a', 'b'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', 'baa', 'aa'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', 'aab', 'aa'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', 'bba', '%a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', 'a%b', '%a'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', 'b%a', '%a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', 'aa', '_a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', '_b', '_a'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', 'b_a', '_a'));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', 'a"a', '"a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', '"b', '"%'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', '"%', '"%'));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', "a'a", "'a"));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', "'b", "'%"));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', "'%", "'%"));
+
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', 'a\\a', '\\a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like', '\\b', '\\%'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like', '\\%', '\\%'));
+
+
+// contains
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like~', 'a', 'b'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like~', 'baa', 'aa'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like~', 'aab', 'aa'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %~like~', 'bba', '%a'));
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %~like~', 'b%a', '%a'));
+
+
+// matches
+Assert::truthy($conn->fetchSingle('SELECT ? LIKE %like', 'a', 'a'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like', 'a', 'aa'));
+Assert::falsey($conn->fetchSingle('SELECT ? LIKE %like', 'a', 'b'));

tests/dibi/Translator.phpt

@@ -16,7 +16,10 @@ $conn = new Dibi\Connection($config + ['formatDateTime' => "'Y-m-d H:i:s.u'", 'f
 
 // Dibi detects INSERT or REPLACE command & booleans
 Assert::same(
-	reformat("REPLACE INTO [products] ([title], [price]) VALUES ('Drticka', 318)"),
+	reformat([
+		'sqlsrv' => "REPLACE INTO [products] ([title], [price]) VALUES (N'Drticka', 318)",
+		"REPLACE INTO [products] ([title], [price]) VALUES ('Drticka', 318)",
+	]),
 	$conn->translate('REPLACE INTO [products]', [
 		'title' => 'Drticka',
 		'price' => 318,
@@ -31,7 +34,10 @@ $array = [
 	'brand' => null,
 ];
 Assert::same(
-	reformat('INSERT INTO [products] ([title], [price], [brand]) VALUES (\'Super Product\', 12, NULL) , (\'Super Product\', 12, NULL) , (\'Super Product\', 12, NULL)'),
+	reformat([
+		'sqlsrv' => "INSERT INTO [products] ([title], [price], [brand]) VALUES (N'Super Product', 12, NULL) , (N'Super Product', 12, NULL) , (N'Super Product', 12, NULL)",
+		"INSERT INTO [products] ([title], [price], [brand]) VALUES ('Super Product', 12, NULL) , ('Super Product', 12, NULL) , ('Super Product', 12, NULL)",
+	]),
 	$conn->translate('INSERT INTO [products]', $array, $array, $array)
 );
 
@@ -43,14 +49,20 @@ $array = [
 	['pole' => 'hodnota3', 'bit' => 1],
 ];
 Assert::same(
-	reformat('INSERT INTO [products]  ([pole], [bit]) VALUES (\'hodnota1\', 1) , (\'hodnota2\', 1) , (\'hodnota3\', 1)'),
+	reformat([
+		'sqlsrv' => "INSERT INTO [products]  ([pole], [bit]) VALUES (N'hodnota1', 1) , (N'hodnota2', 1) , (N'hodnota3', 1)",
+		"INSERT INTO [products]  ([pole], [bit]) VALUES ('hodnota1', 1) , ('hodnota2', 1) , ('hodnota3', 1)",
+	]),
 	$conn->translate('INSERT INTO [products] %ex', $array)
 );
 
 
 // Dibi detects UPDATE command
 Assert::same(
-	reformat("UPDATE [colors] SET [color]='blue', [order]=12 WHERE [id]=123"),
+	reformat([
+		'sqlsrv' => "UPDATE [colors] SET [color]=N'blue', [order]=12 WHERE [id]=123",
+		"UPDATE [colors] SET [color]='blue', [order]=12 WHERE [id]=123",
+	]),
 	$conn->translate('UPDATE [colors] SET', [
 		'color' => 'blue',
 		'order' => 12,
@@ -85,17 +97,26 @@ $e = Assert::exception(function () use ($conn) {
 Assert::same('SELECT **Invalid combination of type stdClass and modifier %s** , **Unknown or unexpected modifier %m**', $e->getSql());
 
 Assert::same(
-	reformat('SELECT * FROM [table] WHERE id=10 AND name=\'ahoj\''),
+	reformat([
+		'sqlsrv' => "SELECT * FROM [table] WHERE id=10 AND name=N'ahoj'",
+		"SELECT * FROM [table] WHERE id=10 AND name='ahoj'",
+	]),
 	$conn->translate('SELECT * FROM [table] WHERE id=%i AND name=%s', 10, 'ahoj')
 );
 
 Assert::same(
-	reformat('TEST ([cond] > 2) OR ([cond2] = \'3\') OR (cond3 < RAND())'),
+	reformat([
+		'sqlsrv' => "TEST ([cond] > 2) OR ([cond2] = N'3') OR (cond3 < RAND())",
+		"TEST ([cond] > 2) OR ([cond2] = '3') OR (cond3 < RAND())",
+	]),
 	$conn->translate('TEST %or', ['[cond] > 2', '[cond2] = "3"', 'cond3 < RAND()'])
 );
 
 Assert::same(
-	reformat('TEST ([cond] > 2) AND ([cond2] = \'3\') AND (cond3 < RAND())'),
+	reformat([
+		'sqlsrv' => "TEST ([cond] > 2) AND ([cond2] = N'3') AND (cond3 < RAND())",
+		"TEST ([cond] > 2) AND ([cond2] = '3') AND (cond3 < RAND())",
+	]),
 	$conn->translate('TEST %and', ['[cond] > 2', '[cond2] = "3"', 'cond3 < RAND()'])
 );
 
@@ -114,7 +135,10 @@ $where['age'] = null;
 $where['email'] = 'ahoj';
 $where['id%l'] = [10, 20, 30];
 Assert::same(
-	reformat('SELECT * FROM [table] WHERE ([age] IS NULL) AND ([email] = \'ahoj\') AND ([id] IN (10, 20, 30))'),
+	reformat([
+		'sqlsrv' => "SELECT * FROM [table] WHERE ([age] IS NULL) AND ([email] = N'ahoj') AND ([id] IN (10, 20, 30))",
+		"SELECT * FROM [table] WHERE ([age] IS NULL) AND ([email] = 'ahoj') AND ([id] IN (10, 20, 30))",
+	]),
 	$conn->translate('SELECT * FROM [table] WHERE %and', $where)
 );
 
@@ -144,9 +168,9 @@ Assert::same(
 // with limit = 2
 Assert::same(
 	reformat([
-		'odbc' => 'SELECT TOP 2 * FROM (SELECT * FROM [products] ) t',
+		'odbc' => 'SELECT TOP 2 * FROM (SELECT * FROM [products]) t',
 		'sqlsrv' => 'SELECT * FROM [products] OFFSET 0 ROWS FETCH NEXT 2 ROWS ONLY',
-		'SELECT * FROM [products]  LIMIT 2',
+		'SELECT * FROM [products] LIMIT 2',
 	]),
 	$conn->translate('SELECT * FROM [products] %lmt', 2)
 );
@@ -160,7 +184,7 @@ if ($config['system'] === 'odbc') {
 	Assert::same(
 		reformat([
 			'sqlsrv' => 'SELECT * FROM [products] OFFSET 1 ROWS FETCH NEXT 2 ROWS ONLY',
-			'SELECT * FROM [products]   LIMIT 2 OFFSET 1',
+			'SELECT * FROM [products] LIMIT 2 OFFSET 1',
 		]),
 		$conn->translate('SELECT * FROM [products] %lmt %ofs', 2, 1)
 	);
@@ -168,10 +192,10 @@ if ($config['system'] === 'odbc') {
 	// with offset = 50
 	Assert::same(
 		reformat([
-			'mysql' => 'SELECT * FROM `products`  LIMIT 18446744073709551615 OFFSET 50',
-			'postgre' => 'SELECT * FROM "products"  OFFSET 50',
+			'mysql' => 'SELECT * FROM `products` LIMIT 18446744073709551615 OFFSET 50',
+			'postgre' => 'SELECT * FROM "products" OFFSET 50',
 			'sqlsrv' => 'SELECT * FROM [products] OFFSET 50 ROWS',
-			'SELECT * FROM [products]  LIMIT -1 OFFSET 50',
+			'SELECT * FROM [products] LIMIT -1 OFFSET 50',
 		]),
 		$conn->translate('SELECT * FROM [products] %ofs', 50)
 	);
@@ -237,7 +261,7 @@ if ($config['system'] === 'postgre') {
 			'sqlite' => "SELECT * FROM products WHERE (title LIKE 'C%' ESCAPE '\\' AND title LIKE '%r' ESCAPE '\\') OR title LIKE '%a\n\\%\\_\\\\''\"%' ESCAPE '\\'",
 			'odbc' => "SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n[%][_]\\''\"%'",
 			'sqlsrv' => "SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\n[%][_]\\''\"%'",
-			"SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\\n\\%\\_\\\\\\\\\'\"%'",
+			"SELECT * FROM products WHERE (title LIKE 'C%' AND title LIKE '%r') OR title LIKE '%a\\n\\%\\_\\\\\\\\\\'\"%'",
 		]),
 		$conn->translate($args[0], $args[1], $args[2], $args[3])
 	);
@@ -255,11 +279,17 @@ Assert::match(
 CONCAT(last_name, ', ', first_name) AS full_name
 GROUP BY `user`
 HAVING MAX(salary) > %i 123
-INTO OUTFILE '/tmp/result\'.txt'
+INTO OUTFILE '/tmp/result\\'.txt'
 FIELDS TERMINATED BY ',' OPTIONALLY ENCLOSED BY '\\\"'
 LINES TERMINATED BY '\\\\n'
 ",
-		"SELECT DISTINCT HIGH_PRIORITY SQL_BUFFER_RESULT
+		'sqlsrv' => "SELECT DISTINCT HIGH_PRIORITY SQL_BUFFER_RESULT
+CONCAT(last_name, N', ', first_name) AS full_name
+GROUP BY [user]
+HAVING MAX(salary) > %i 123
+INTO OUTFILE N'/tmp/result''.txt'
+FIELDS TERMINATED BY N',' OPTIONALLY ENCLOSED BY N'\"'
+LINES TERMINATED BY N'\\n'", "SELECT DISTINCT HIGH_PRIORITY SQL_BUFFER_RESULT
 CONCAT(last_name, ', ', first_name) AS full_name
 GROUP BY [user]
 HAVING MAX(salary) > %i 123
@@ -314,13 +344,34 @@ WHERE (`test`.`a` LIKE '1995-03-01'
 	OR `b8` IN (RAND() `col1` > `col2` )
 	OR `b9` IN (RAND(), [col1] > [col2] )
 	OR `b10` IN (  )
-	AND `c` = 'embedded \' string'
+	AND `c` = 'embedded \\' string'
 	OR `d`=10
 	OR `e`=NULL
 	OR `true`= 1
 	OR `false`= 0
 	OR `str_null`=NULL
 	OR `str_not_null`='hello'
+LIMIT 10",
+		'sqlsrv' => "SELECT *
+FROM [db].[table]
+WHERE ([test].[a] LIKE '1995-03-01'
+	OR [b1] IN ( 1, 2, 3 )
+	OR [b2] IN (N'1', N'2', N'3' )
+	OR [b3] IN ( )
+	OR [b4] IN ( N'one', N'two', N'three' )
+	OR [b5] IN ([col1] AS [one], [col2] AS [two], [col3] AS [thr.ee] )
+	OR [b6] IN (N'one', N'two', N'thr.ee')
+	OR [b7] IN (NULL)
+	OR [b8] IN (RAND() [col1] > [col2] )
+	OR [b9] IN (RAND(), [col1] > [col2] )
+	OR [b10] IN (  )
+	AND [c] = N'embedded '' string'
+	OR [d]=10
+	OR [e]=NULL
+	OR [true]= 1
+	OR [false]= 0
+	OR [str_null]=NULL
+	OR [str_not_null]=N'hello'
 LIMIT 10",
 		'postgre' => 'SELECT *
 FROM "db"."table"
@@ -386,7 +437,6 @@ WHERE ([test].[a] LIKE '1995-03-01'
 	OR [str_not_null]='hello'
 LIMIT 10",
 	]),
-
 	$conn->translate('SELECT *
 FROM [db.table]
 WHERE ([test.a] LIKE %d', '1995-03-01', '
@@ -412,7 +462,10 @@ LIMIT 10')
 
 
 Assert::same(
-	reformat('TEST  [cond] > 2 [cond2] = \'3\' cond3 < RAND() 123'),
+	reformat([
+		'sqlsrv' => "TEST  [cond] > 2 [cond2] = N'3' cond3 < RAND() 123",
+		"TEST  [cond] > 2 [cond2] = '3' cond3 < RAND() 123",
+	]),
 	$conn->translate('TEST %ex', ['[cond] > 2', '[cond2] = "3"', 'cond3 < RAND()'], 123)
 );
 
@@ -430,16 +483,19 @@ Assert::same(
 
 
 Assert::same(
-	reformat('TEST ([cond1] 3) OR ([cond2] RAND()) OR ([cond3] LIKE \'string\')'),
+	reformat([
+		'sqlsrv' => "TEST ([cond1] 3) OR ([cond2] RAND()) OR ([cond3] LIKE N'string')",
+		"TEST ([cond1] 3) OR ([cond2] RAND()) OR ([cond3] LIKE 'string')",
+	]),
 	$conn->translate('TEST %or', ['cond1%ex' => 3, 'cond2%ex' => 'RAND()', 'cond3%ex' => ['LIKE %s', 'string']])
 );
 
 
 Assert::same(
 	reformat([
-		'odbc' => 'SELECT TOP 10 * FROM (SELECT * FROM [test] WHERE [id] LIKE \'%d%t\' ) t',
-		'sqlsrv' => 'SELECT * FROM [test] WHERE [id] LIKE \'%d%t\' OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY',
-		'SELECT * FROM [test] WHERE [id] LIKE \'%d%t\'  LIMIT 10',
+		'odbc' => 'SELECT TOP 10 * FROM (SELECT * FROM [test] WHERE [id] LIKE \'%d%t\') t',
+		'sqlsrv' => 'SELECT * FROM [test] WHERE [id] LIKE N\'%d%t\' OFFSET 0 ROWS FETCH NEXT 10 ROWS ONLY',
+		'SELECT * FROM [test] WHERE [id] LIKE \'%d%t\' LIMIT 10',
 	]),
 	$conn->translate("SELECT * FROM [test] WHERE %n LIKE '%d%t' %lmt", 'id', 10)
 );
@@ -455,23 +511,32 @@ Assert::same(
 
 
 Assert::same(
-	reformat('SELECT FROM ... '),
+	reformat('SELECT FROM ...'),
 	$conn->translate('SELECT FROM ... %lmt', null)
 );
 
 Assert::same(
-	reformat('SELECT \'%i\''),
+	reformat([
+		'sqlsrv' => "SELECT N'%i'",
+		"SELECT '%i'",
+	]),
 	$conn->translate("SELECT '%i'")
 );
 
 Assert::same(
-	reformat('SELECT \'%i\''),
+	reformat([
+		'sqlsrv' => "SELECT N'%i'",
+		"SELECT '%i'",
+	]),
 	$conn->translate('SELECT "%i"')
 );
 
 
 Assert::same(
-	reformat('INSERT INTO [products] ([product_id], [title]) VALUES (1, SHA1(\'Test product\')) , (1, SHA1(\'Test product\'))'),
+	reformat([
+		'sqlsrv' => "INSERT INTO [products] ([product_id], [title]) VALUES (1, SHA1(N'Test product')) , (1, SHA1(N'Test product'))",
+		"INSERT INTO [products] ([product_id], [title]) VALUES (1, SHA1('Test product')) , (1, SHA1('Test product'))",
+	]),
 	$conn->translate('INSERT INTO [products]', [
 		'product_id' => 1,
 		'title' => new Dibi\Expression('SHA1(%s)', 'Test product'),
@@ -482,7 +547,10 @@ Assert::same(
 );
 
 Assert::same(
-	reformat('UPDATE [products] [product_id]=1, [title]=SHA1(\'Test product\')'),
+	reformat([
+		'sqlsrv' => "UPDATE [products] [product_id]=1, [title]=SHA1(N'Test product')",
+		"UPDATE [products] [product_id]=1, [title]=SHA1('Test product')",
+	]),
 	$conn->translate('UPDATE [products]', [
 		'product_id' => 1,
 		'title' => new Dibi\Expression('SHA1(%s)', 'Test product'),
@@ -490,7 +558,10 @@ Assert::same(
 );
 
 Assert::same(
-	reformat('UPDATE [products] [product_id]=1, [title]=SHA1(\'Test product\')'),
+	reformat([
+		'sqlsrv' => "UPDATE [products] [product_id]=1, [title]=SHA1(N'Test product')",
+		"UPDATE [products] [product_id]=1, [title]=SHA1('Test product')",
+	]),
 	$conn->translate('UPDATE [products]', [
 		'product_id' => 1,
 		'title' => new Dibi\Expression('SHA1(%s)', 'Test product'),
@@ -498,7 +569,10 @@ Assert::same(
 );
 
 Assert::same(
-	reformat('SELECT * FROM [products] WHERE [product_id]=1, [title]=SHA1(\'Test product\')'),
+	reformat([
+		'sqlsrv' => "SELECT * FROM [products] WHERE [product_id]=1, [title]=SHA1(N'Test product')",
+		"SELECT * FROM [products] WHERE [product_id]=1, [title]=SHA1('Test product')",
+	]),
 	$conn->translate('SELECT * FROM [products] WHERE', [
 		'product_id' => 1,
 		'title' => new Dibi\Expression('SHA1(%s)', 'Test product'),
@@ -535,7 +609,10 @@ $array6 = [
 ];
 
 Assert::same(
-	reformat('INSERT INTO test ([id], [text], [num]) VALUES (1, \'ahoj\', 1), (2, \'jak\', -1), (3, \'se\', 10), (4, SUM(5), 1)'),
+	reformat([
+		'sqlsrv' => "INSERT INTO test ([id], [text], [num]) VALUES (1, N'ahoj', 1), (2, N'jak', -1), (3, N'se', 10), (4, SUM(5), 1)",
+		"INSERT INTO test ([id], [text], [num]) VALUES (1, 'ahoj', 1), (2, 'jak', -1), (3, 'se', 10), (4, SUM(5), 1)",
+	]),
 	$conn->translate('INSERT INTO test %m', $array6)
 );
 
@@ -589,8 +666,10 @@ Assert::same(
 setlocale(LC_ALL, 'czech');
 
 Assert::same(
-	reformat("UPDATE [colors] SET [color]='blue', [price]=-12.4, [spec]=-9E-005, [spec2]=1000, [spec3]=10000, [spec4]=10000 WHERE [price]=123.5"),
-
+	reformat([
+		'sqlsrv' => "UPDATE [colors] SET [color]=N'blue', [price]=-12.4, [spec]=-9E-005, [spec2]=1000, [spec3]=10000, [spec4]=10000 WHERE [price]=123.5",
+		"UPDATE [colors] SET [color]='blue', [price]=-12.4, [spec]=-9E-005, [spec2]=1000, [spec3]=10000, [spec4]=10000 WHERE [price]=123.5",
+	]),
 	$conn->translate('UPDATE [colors] SET', [
 		'color' => 'blue',
 		'price' => -12.4,

tests/dibi/bootstrap.php

@@ -23,6 +23,10 @@ try {
 	$config = reset($config);
 }
 
+if (isset($config['port'])) {
+	$config['port'] = (int) $config['port'];
+}
+
 
 // lock
 define('TEMP_DIR', __DIR__ . '/../tmp');
@@ -37,7 +41,7 @@ if ($config['system'] === 'odbc') {
 }
 
 
-function test(Closure $function)
+function test(string $title, Closure $function): void
 {
 	$function();
 }
@@ -68,7 +72,7 @@ function reformat($s)
 function num($n)
 {
 	global $config;
-	if (substr($config['dsn'] ?? '', 0, 5) === 'odbc:' || $config['driver'] === 'sqlite') {
+	if (substr($config['dsn'] ?? '', 0, 5) === 'odbc:') {
 		$n = is_float($n) ? "$n.0" : (string) $n;
 	}
 	return $n;

tests/dibi/exceptions.mysql.phpt

@@ -36,7 +36,7 @@ Assert::same('SELECT', $e->getSql());
 
 $e = Assert::exception(function () use ($conn) {
 	$conn->query('INSERT INTO products (product_id, title) VALUES (1, "New")');
-}, Dibi\UniqueConstraintViolationException::class, "%a?%Duplicate entry '1' for key 'PRIMARY'", 1062);
+}, Dibi\UniqueConstraintViolationException::class, "%a?%Duplicate entry '1' for key '%a?%PRIMARY'", 1062);
 
 Assert::same("INSERT INTO products (product_id, title) VALUES (1, 'New')", $e->getSql());
 

tests/dibi/exceptions.postgre.phpt

@@ -31,7 +31,7 @@ Assert::same("INSERT INTO products (product_id, title) VALUES (1, 'New')", $e->g
 
 $e = Assert::exception(function () use ($conn) {
 	$conn->query('INSERT INTO products (title) VALUES (NULL)');
-}, Dibi\NotNullConstraintViolationException::class, '%a?%null value in column "title" violates not-null constraint%A?%', '23502');
+}, Dibi\NotNullConstraintViolationException::class, '%a?%null value in column "title"%a%violates not-null constraint%A?%', '23502');
 
 Assert::same('INSERT INTO products (title) VALUES (NULL)', $e->getSql());
 

tests/dibi/exceptions.sqlite.phpt

@@ -17,7 +17,7 @@ $conn->loadFile(__DIR__ . "/data/$config[system].sql");
 
 $e = Assert::exception(function () use ($conn) {
 	$conn->query('SELECT');
-}, Dibi\DriverException::class, '%a% syntax error', 1);
+}, Dibi\DriverException::class, '%a%', 1);
 
 Assert::same('SELECT', $e->getSql());
 

tests/php-win.ini

@@ -12,5 +12,5 @@ extension=php_pdo_pgsql.dll
 extension=php_pdo_sqlite.dll
 extension=php_pgsql.dll
 extension=php_sqlite3.dll
-extension=php_sqlsrv_71_ts.dll
+extension=php_sqlsrv_ts.dll
 extension=php_odbc.dll