Released version 4.2.6

also closes (#412)

.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/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-5.10.0beta2, pdo_sqlsrv-5.10.0beta2
+    php-tools: "composer:v2, pecl"
+
+jobs:
+    tests:
+        runs-on: ubuntu-latest
+        strategy:
+            matrix:
+                php: ['7.2', '7.3', '7.4', '8.0', '8.1']
+
+            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

@@ -1,77 +0,0 @@
-language: php
-php:
-    - 7.1
-    - 7.2
-    - 7.3
-    - 7.4
-
-services:
-    - mysql
-    - postgresql
-
-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:
-        -   name: Nette Code Checker
-            php: 7.4
-            install:
-                - travis_retry composer create-project nette/code-checker temp/code-checker ^3 --no-progress
-            script:
-                - php temp/code-checker/code-checker --strict-types
-
-
-        -   name: Nette Coding Standard
-            php: 7.4
-            install:
-                - travis_retry composer create-project nette/coding-standard temp/coding-standard ^2 --no-progress
-            script:
-                - php temp/coding-standard/ecs check src tests examples --config tests/coding-standard.yml
-
-
-        -   stage: Static Analysis (informative)
-            php: 7.4
-            script:
-                - composer run-script phpstan
-
-
-        -   stage: Code Coverage
-            php: 7.4
-            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:
-        -   stage: Static Analysis (informative)
-        -   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 curl https://github.com/microsoft/msphpsql/releases/download/v5.8.0/Windows-7.2.zip -L --output sqlsrv.zip
-    - IF %PHP%==1 7z x php-sqlsrv.zip >nul
+    - IF %PHP%==1 7z x sqlsrv.zip >nul
-    - IF %PHP%==1 copy SQLSRV\php_sqlsrv_71_ts.dll ext\php_sqlsrv_71_ts.dll
+    - 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

@@ -11,7 +11,7 @@
 		}
 	],
 	"require": {
-		"php": ">=7.1"
+		"php": ">=7.2"
 	},
 	"require-dev": {
 		"tracy/tracy": "~2.2",
@@ -26,12 +26,12 @@
 		"classmap": ["src/"]
 	},
 	"scripts": {
-		"phpstan": "phpstan analyse --autoload-file vendor/autoload.php --level 5 --configuration tests/phpstan.neon src",
+		"phpstan": "phpstan analyse",
 		"tester": "tester tests -s"
 	},
 	"extra": {
 		"branch-alias": {
-			"dev-master": "4.1-dev"
+			"dev-master": "4.2-dev"
 		}
 	}
 }

phpstan.neon

@@ -1,4 +1,9 @@
 parameters:
+	level: 5
+
+	paths:
+		- src
+
 	ignoreErrors:
 		# The namespace is referenced, not the class.
 		- '#Class dibi referenced with incorrect case: Dibi#'

readme.md

@@ -2,7 +2,7 @@
 =========================================================
 
 [![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)
@@ -15,12 +15,14 @@ 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 Project
+Support Me
----------------
+----------
 
 Do you like Dibi? Are you looking forward to the new features?
 
-[![Donate](https://files.nette.org/icons/donation-1.svg?)](https://nette.org/make-donation?to=dibi)
+[![Buy me a coffee](https://files.nette.org/icons/donation-3.svg)](https://github.com/sponsors/dg)
+
+Thank you!
 
 
 Installation
@@ -32,7 +34,7 @@ Install Dibi via Composer:
 composer require dibi/dibi
 ```
 
-The Dibi 4.1 requires PHP version 7.1 and supports PHP up to 7.4.
+The Dibi 4.2 requires PHP version 7.2 and supports PHP up to 8.1.
 
 
 Usage

src/Dibi/Bridges/Nette/DibiExtension22.php

@@ -22,10 +22,14 @@ class DibiExtension22 extends Nette\DI\CompilerExtension
 	/** @var bool|null */
 	private $debugMode;
 
+	/** @var bool|null */
+	private $cliMode;
 
-	public function __construct(bool $debugMode = null)
+
+	public function __construct(?bool $debugMode = null, ?bool $cliMode = null)
 	{
 		$this->debugMode = $debugMode;
+		$this->cliMode = $cliMode;
 	}
 
 
@@ -38,7 +42,11 @@ class DibiExtension22 extends Nette\DI\CompilerExtension
 			$this->debugMode = $container->parameters['debugMode'];
 		}
 
-		$useProfiler = $config['profiler'] ?? (class_exists(Tracy\Debugger::class) && $this->debugMode);
+		if ($this->cliMode === null) {
+			$this->cliMode = $container->parameters['consoleMode'];
+		}
+
+		$useProfiler = $config['profiler'] ?? (class_exists(Tracy\Debugger::class) && $this->debugMode && !$this->cliMode);
 
 		unset($config['profiler']);
 
@@ -47,6 +55,7 @@ class DibiExtension22 extends Nette\DI\CompilerExtension
 			foreach ((array) $config['flags'] as $flag) {
 				$flags |= constant($flag);
 			}
+
 			$config['flags'] = $flags;
 		}
 
@@ -60,6 +69,7 @@ class DibiExtension22 extends Nette\DI\CompilerExtension
 				[[Dibi\Bridges\Tracy\Panel::class, 'renderException']]
 			);
 		}
+
 		if ($useProfiler) {
 			$panel = $container->addDefinition($this->prefix('panel'))
 				->setFactory(Dibi\Bridges\Tracy\Panel::class, [

src/Dibi/Bridges/Tracy/Panel.php

@@ -35,7 +35,7 @@ class Panel implements Tracy\IBarPanel
 	private $events = [];
 
 
-	public function __construct($explain = true, int $filter = null)
+	public function __construct($explain = true, ?int $filter = null)
 	{
 		$this->filter = $filter ?: Event::QUERY;
 		$this->explain = $explain;
@@ -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'];
 	}
 
@@ -58,6 +58,7 @@ class Panel implements Tracy\IBarPanel
 		if (($event->type & $this->filter) === 0) {
 			return;
 		}
+
 		$this->events[] = $event;
 	}
 
@@ -88,9 +89,10 @@ class Panel implements Tracy\IBarPanel
 		foreach ($this->events as $event) {
 			$totalTime += $event->time;
 		}
+
 		return '<span title="dibi"><svg viewBox="0 0 2048 2048" style="vertical-align: bottom; width:1.23em; height:1.55em"><path fill="' . ($count ? '#b079d6' : '#aaa') . '" d="M1024 896q237 0 443-43t325-127v170q0 69-103 128t-280 93.5-385 34.5-385-34.5-280-93.5-103-128v-170q119 84 325 127t443 43zm0 768q237 0 443-43t325-127v170q0 69-103 128t-280 93.5-385 34.5-385-34.5-280-93.5-103-128v-170q119 84 325 127t443 43zm0-384q237 0 443-43t325-127v170q0 69-103 128t-280 93.5-385 34.5-385-34.5-280-93.5-103-128v-170q119 84 325 127t443 43zm0-1152q208 0 385 34.5t280 93.5 103 128v128q0 69-103 128t-280 93.5-385 34.5-385-34.5-280-93.5-103-128v-128q0-69 103-128t280-93.5 385-34.5z"/></svg><span class="tracy-label">'
-			. $count . ' queries'
+			. $count . "\u{a0}queries"
-			. ($totalTime ? ' / ' . number_format($totalTime * 1000, 1, '.', ' ') . ' ms' : '')
+			. ($totalTime ? ' / ' . number_format($totalTime * 1000, 1, '.', "\u{202f}") . "\u{202f}ms" : '')
 			. '</span></span>';
 	}
 
@@ -121,15 +123,18 @@ 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 $e) {
 				}
+
 				[$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, '.', "\u{202f}");
 			if ($explain) {
 				static $counter;
 				$counter++;
@@ -140,8 +145,9 @@ class Panel implements Tracy\IBarPanel
 			if ($explain) {
 				$s .= "<div id='tracy-debug-DibiProfiler-row-$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>";
@@ -153,11 +159,11 @@ class Panel implements Tracy\IBarPanel
 		return '<style> #tracy-debug td.tracy-DibiProfiler-sql { background: white !important }
 			#tracy-debug .tracy-DibiProfiler-source { color: #999 !important }
 			#tracy-debug tracy-DibiProfiler tr table { margin: 8px 0; max-height: 150px; overflow:auto } </style>
-			<h1>Queries: ' . count($this->events)
+			<h1>Queries:\u{a0}' . count($this->events)
-				. ($totalTime === null ? '' : ', time: ' . number_format($totalTime * 1000, 1, '.', ' ') . ' ms') . ', '
+				. ($totalTime === null ? '' : ", time:\u{a0}" . number_format($totalTime * 1000, 1, '.', "\u{202f}") . "\u{202f}ms") . ', '
 				. htmlspecialchars($this->getConnectionName($singleConnection)) . '</h1>
 			<div class="tracy-inner tracy-DibiProfiler">
-			<table>
+			<table class="tracy-sortable">
 				<tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Rows</th>' . (!$singleConnection ? '<th>Connection</th>' : '') . '</tr>
 				' . $s . '
 			</table>
@@ -170,6 +176,6 @@ class Panel implements Tracy\IBarPanel
 		$driver = $connection->getConfig('driver');
 		return (is_object($driver) ? get_class($driver) : $driver)
 			. ($connection->getConfig('name') ? '/' . $connection->getConfig('name') : '')
-			. ($connection->getConfig('host') ? ' @ ' . $connection->getConfig('host') : '');
+			. ($connection->getConfig('host') ? "\u{202f}@\u{202f}" . $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;
 
@@ -37,17 +40,26 @@ 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)
-	 *       - formatJson => json format (
+	 *       - formatDateTime => date-time format
-	 *           "string" for leaving value as is,
+	 *           empty for decoding as Dibi\DateTime (default)
-	 *           "object" for decoding json as \stdClass,
+	 *           "..." formatted according to given format, see https://www.php.net/manual/en/datetime.format.php
-	 *           "array" for decoding json as an array - default
+	 *           "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
@@ -56,7 +68,7 @@ class Connection implements IConnection
 	 *   - onConnect (array) => list of SQL queries to execute (by Connection::query()) after connection is established
 	 * @throws Exception
 	 */
-	public function __construct(array $config, string $name = null)
+	public function __construct(array $config, ?string $name = null)
 	{
 		Helpers::alias($config, 'username', 'user');
 		Helpers::alias($config, 'password', 'pass');
@@ -65,9 +77,15 @@ class Connection implements IConnection
 		Helpers::alias($config, 'result|formatDateTime', 'resultDateTime');
 		$config['driver'] = $config['driver'] ?? 'mysqli';
 		$config['name'] = $name;
-		$config['result']['formatJson'] = $config['result']['formatJson'] ?? 'array';
 		$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 = $config['profiler']['filter'] ?? Event::QUERY;
@@ -132,16 +150,17 @@ class Connection implements IConnection
 			if ($event) {
 				$this->onEvent($event->done());
 			}
+
 			if (isset($this->config['onConnect'])) {
 				foreach ($this->config['onConnect'] as $sql) {
 					$this->query($sql);
 				}
 			}
-
 		} catch (DriverException $e) {
 			if ($event) {
 				$this->onEvent($event->done($e));
 			}
+
 			throw $e;
 		}
 	}
@@ -173,7 +192,7 @@ class Connection implements IConnection
 	 * @see self::__construct
 	 * @return mixed
 	 */
-	final public function getConfig(string $key = null, $default = null)
+	final public function getConfig(?string $key = null, $default = null)
 	{
 		return $key === null
 			? $this->config
@@ -189,6 +208,7 @@ class Connection implements IConnection
 		if (!$this->driver) {
 			$this->connect();
 		}
+
 		return $this->driver;
 	}
 
@@ -200,7 +220,7 @@ class Connection implements IConnection
 	 */
 	final public function query(...$args): Result
 	{
-		return $this->nativeQuery($this->translateArgs($args));
+		return $this->nativeQuery($this->translate(...$args));
 	}
 
 
@@ -211,7 +231,11 @@ 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);
 	}
 
 
@@ -222,7 +246,7 @@ 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 $e) {
@@ -231,6 +255,7 @@ class Connection implements IConnection
 			} else {
 				echo get_class($e) . ': ' . $e->getMessage() . (PHP_SAPI === 'cli' ? "\n" : '<br>');
 			}
+
 			return false;
 		}
 	}
@@ -243,19 +268,7 @@ class Connection implements IConnection
 	 */
 	final public function dataSource(...$args): DataSource
 	{
-		return new DataSource($this->translateArgs($args), $this);
+		return new DataSource($this->translate(...$args), $this);
-	}
-
-
-	/**
-	 * Generates SQL query.
-	 */
-	protected function translateArgs(array $args): string
-	{
-		if (!$this->driver) {
-			$this->connect();
-		}
-		return (clone $this->translator)->translate($args);
 	}
 
 
@@ -278,6 +291,7 @@ class Connection implements IConnection
 			if ($event) {
 				$this->onEvent($event->done($e));
 			}
+
 			throw $e;
 		}
 
@@ -285,6 +299,7 @@ class Connection implements IConnection
 		if ($event) {
 			$this->onEvent($event->done($res));
 		}
+
 		return $res;
 	}
 
@@ -298,10 +313,12 @@ class Connection implements IConnection
 		if (!$this->driver) {
 			$this->connect();
 		}
+
 		$rows = $this->driver->getAffectedRows();
 		if ($rows === null || $rows < 0) {
 			throw new Exception('Cannot retrieve number of affected rows.');
 		}
+
 		return $rows;
 	}
 
@@ -310,15 +327,17 @@ class Connection implements IConnection
 	 * Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
 	 * @throws Exception
 	 */
-	public function getInsertId(string $sequence = null): int
+	public function getInsertId(?string $sequence = null): int
 	{
 		if (!$this->driver) {
 			$this->connect();
 		}
+
 		$id = $this->driver->getInsertId($sequence);
 		if ($id === null) {
 			throw new Exception('Cannot retrieve last generated ID.');
 		}
+
 		return $id;
 	}
 
@@ -326,22 +345,27 @@ class Connection implements IConnection
 	/**
 	 * Begins a transaction (if supported).
 	 */
-	public function begin(string $savepoint = null): void
+	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();
 		}
+
 		$event = $this->onEvent ? new Event($this, Event::BEGIN, $savepoint) : null;
 		try {
 			$this->driver->begin($savepoint);
 			if ($event) {
 				$this->onEvent($event->done());
 			}
-
 		} catch (DriverException $e) {
 			if ($event) {
 				$this->onEvent($event->done($e));
 			}
+
 			throw $e;
 		}
 	}
@@ -350,22 +374,27 @@ class Connection implements IConnection
 	/**
 	 * Commits statements in a transaction.
 	 */
-	public function commit(string $savepoint = null): void
+	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();
 		}
+
 		$event = $this->onEvent ? new Event($this, Event::COMMIT, $savepoint) : null;
 		try {
 			$this->driver->commit($savepoint);
 			if ($event) {
 				$this->onEvent($event->done());
 			}
-
 		} catch (DriverException $e) {
 			if ($event) {
 				$this->onEvent($event->done($e));
 			}
+
 			throw $e;
 		}
 	}
@@ -374,36 +403,69 @@ class Connection implements IConnection
 	/**
 	 * Rollback changes in a transaction.
 	 */
-	public function rollback(string $savepoint = null): void
+	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();
 		}
+
 		$event = $this->onEvent ? new Event($this, Event::ROLLBACK, $savepoint) : null;
 		try {
 			$this->driver->rollback($savepoint);
 			if ($event) {
 				$this->onEvent($event->done());
 			}
-
 		} catch (DriverException $e) {
 			if ($event) {
 				$this->onEvent($event->done($e));
 			}
+
 			throw $e;
 		}
 	}
 
 
+	/**
+	 * @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 (new Result($resultDriver, $this->config['result']['normalize'] ?? true))
-		return $res->setFormat(Type::DATE, $this->config['result']['formatDate'])
+			->setFormats($this->formats);
-			->setFormat(Type::DATETIME, $this->config['result']['formatDateTime'])
-			->setFormat(Type::JSON, $this->config['result']['formatJson']);
 	}
 
 
@@ -436,6 +498,7 @@ class Connection implements IConnection
 		if ($args instanceof Traversable) {
 			$args = iterator_to_array($args);
 		}
+
 		return $this->command()->insert()
 			->into('%n', $table, '(%n)', array_keys($args))->values('%l', $args);
 	}
@@ -539,7 +602,7 @@ class Connection implements IConnection
 	 * @param  callable  $onProgress  function (int $count, ?float $percent): void
 	 * @return int  count of sql commands
 	 */
-	public function loadFile(string $file, callable $onProgress = null): int
+	public function loadFile(string $file, ?callable $onProgress = null): int
 	{
 		return Helpers::loadFromFile($this, $file, $onProgress);
 	}
@@ -553,6 +616,7 @@ class Connection implements IConnection
 		if (!$this->driver) {
 			$this->connect();
 		}
+
 		return new Reflection\Database($this->driver->getReflector(), $this->config['database'] ?? null);
 	}
 
@@ -562,7 +626,7 @@ 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.');
 	}
 
 
@@ -571,7 +635,7 @@ 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) {
+		$this->sql = strpbrk($sql, " \t\r\n") === false
-			$this->sql = $connection->getDriver()->escapeIdentifier($sql); // table name
+			? $connection->getDriver()->escapeIdentifier($sql) // table name
-		} else {
+			: '(' . $sql . ') t'; // SQL command
-			$this->sql = '(' . $sql . ') t'; // SQL command
-		}
 		$this->connection = $connection;
 	}
 
@@ -67,13 +65,14 @@ class DataSource implements IDataSource
 	 * @param  string|array  $col  column name or array of column names
 	 * @param  string  $as        column alias
 	 */
-	public function select($col, string $as = null): self
+	public function select($col, ?string $as = null): self
 	{
 		if (is_array($col)) {
 			$this->cols = $col;
 		} else {
 			$this->cols[$col] = $as;
 		}
+
 		$this->result = null;
 		return $this;
 	}
@@ -84,12 +83,9 @@ class DataSource implements IDataSource
 	 */
 	public function where($cond): self
 	{
-		if (is_array($cond)) {
+		$this->conds[] = is_array($cond)
-			// TODO: not consistent with select and orderBy
+			? $cond // TODO: not consistent with select and orderBy
-			$this->conds[] = $cond;
+			: func_get_args();
-		} else {
-			$this->conds[] = func_get_args();
-		}
 		$this->result = $this->count = null;
 		return $this;
 	}
@@ -106,6 +102,7 @@ class DataSource implements IDataSource
 		} else {
 			$this->sorting[$row] = $direction;
 		}
+
 		$this->result = null;
 		return $this;
 	}
@@ -114,7 +111,7 @@ class DataSource implements IDataSource
 	/**
 	 * Limits number of rows.
 	 */
-	public function applyLimit(int $limit, int $offset = null): self
+	public function applyLimit(int $limit, ?int $offset = null): self
 	{
 		$this->limit = $limit;
 		$this->offset = $offset;
@@ -140,6 +137,7 @@ class DataSource implements IDataSource
 		if ($this->result === null) {
 			$this->result = $this->connection->nativeQuery($this->__toString());
 		}
+
 		return $this->result;
 	}
 
@@ -190,7 +188,7 @@ class DataSource implements IDataSource
 	/**
 	 * Fetches all records from table like $key => $value pairs.
 	 */
-	public function fetchPairs(string $key = null, string $value = null): array
+	public function fetchPairs(?string $key = null, ?string $value = null): array
 	{
 		return $this->getResult()->fetchPairs($key, $value);
 	}
@@ -232,12 +230,18 @@ class DataSource implements IDataSource
 	public function __toString(): string
 	{
 		try {
-			return $this->connection->translate('
+			return $this->connection->translate(
-SELECT %n', (empty($this->cols) ? '*' : $this->cols), '
+				"\nSELECT %n",
-FROM %SQL', $this->sql, '
+				(empty($this->cols) ? '*' : $this->cols),
-%ex', $this->conds ? ['WHERE %and', $this->conds] : null, '
+				"\nFROM %SQL",
-%ex', $this->sorting ? ['ORDER BY %by', $this->sorting] : null, '
+				$this->sql,
-%ofs %lmt', $this->offset, $this->limit
+				"\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);
@@ -261,6 +265,7 @@ FROM %SQL', $this->sql, '
 				)->fetchSingle())
 				: $this->getTotalCount();
 		}
+
 		return $this->count;
 	}
 
@@ -275,6 +280,7 @@ FROM %SQL', $this->sql, '
 				'SELECT COUNT(*) FROM ' . $this->sql
 			)->fetchSingle());
 		}
+
 		return $this->totalCount;
 	}
 }

src/Dibi/DateTime.php

@@ -20,7 +20,7 @@ class DateTime extends \DateTimeImmutable
 	/**
 	 * @param  string|int  $time
 	 */
-	public function __construct($time = 'now', \DateTimeZone $timezone = null)
+	public function __construct($time = 'now', ?\DateTimeZone $timezone = null)
 	{
 		$timezone = $timezone ?: new \DateTimeZone(date_default_timezone_get());
 		if (is_numeric($time)) {

src/Dibi/Drivers/DummyDriver.php

@@ -42,17 +42,17 @@ class DummyDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}
 
 
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 	}
 
 
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 	}
 
 
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 	}
 

src/Dibi/Drivers/FirebirdDriver.php

@@ -62,11 +62,9 @@ class FirebirdDriver implements Dibi\Driver
 				'buffers' => 0,
 			];
 
-			if (empty($config['persistent'])) {
+			$this->connection = empty($config['persistent'])
-				$this->connection = @ibase_connect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
+				? @ibase_connect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']) // intentionally @
-			} else {
+				: @ibase_pconnect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
-				$this->connection = @ibase_pconnect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
-			}
 
 			if (!is_resource($this->connection)) {
 				throw new Dibi\DriverException(ibase_errmsg(), ibase_errcode());
@@ -90,21 +88,23 @@ 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);
 
 			} else {
 				throw new Dibi\DriverException(ibase_errmsg(), ibase_errcode(), $sql);
 			}
-
 		} elseif (is_resource($res)) {
 			return $this->createResultDriver($res);
 		}
+
 		return null;
 	}
 
@@ -131,11 +131,12 @@ class FirebirdDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 		if ($savepoint !== null) {
 			throw new Dibi\NotSupportedException('Savepoints are not supported in Firebird/Interbase.');
 		}
+
 		$this->transaction = ibase_trans($this->getResource());
 		$this->inTransaction = true;
 	}
@@ -145,7 +146,7 @@ class FirebirdDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		if ($savepoint !== null) {
 			throw new Dibi\NotSupportedException('Savepoints are not supported in Firebird/Interbase.');
@@ -163,7 +164,7 @@ class FirebirdDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		if ($savepoint !== null) {
 			throw new Dibi\NotSupportedException('Savepoints are not supported in Firebird/Interbase.');

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[] = [
@@ -47,6 +47,7 @@ class FirebirdReflector implements Dibi\Reflector
 				'view' => $row[1] === 'TRUE',
 			];
 		}
+
 		return $tables;
 	}
 
@@ -84,9 +85,8 @@ 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'];
@@ -100,6 +100,7 @@ class FirebirdReflector implements Dibi\Reflector
 				'autoincrement' => false,
 			];
 		}
+
 		return $columns;
 	}
 
@@ -121,8 +122,8 @@ 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'];
@@ -132,6 +133,7 @@ class FirebirdReflector implements Dibi\Reflector
 			$indexes[$key]['table'] = $table;
 			$indexes[$key]['columns'][$row['FIELD_POSITION']] = $row['FIELD_NAME'];
 		}
+
 		return $indexes;
 	}
 
@@ -149,8 +151,8 @@ 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'];
@@ -160,6 +162,7 @@ class FirebirdReflector implements Dibi\Reflector
 				'table' => $table,
 			];
 		}
+
 		return $keys;
 	}
 
@@ -174,12 +177,13 @@ 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];
 		}
+
 		return $indices;
 	}
 
@@ -196,12 +200,13 @@ 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];
 		}
+
 		return $constraints;
 	}
 
@@ -210,9 +215,10 @@ class FirebirdReflector implements Dibi\Reflector
 	 * Returns metadata for all triggers in a table or database.
 	 * (Only if user has permissions on ALTER TABLE, INSERT/UPDATE/DELETE record in table)
 	 */
-	public function getTriggersMeta(string $table = null): array
+	public function getTriggersMeta(?string $table = null): array
 	{
-		$res = $this->driver->query("
+		$res = $this->driver->query(
+			"
 			SELECT TRIM(RDB\$TRIGGER_NAME) AS TRIGGER_NAME,
 				TRIM(RDB\$RELATION_NAME) AS TABLE_NAME,
 				CASE RDB\$TRIGGER_TYPE
@@ -248,6 +254,7 @@ class FirebirdReflector implements Dibi\Reflector
 				'enabled' => trim($row['TRIGGER_ENABLED']) === 'TRUE',
 			];
 		}
+
 		return $triggers;
 	}
 
@@ -256,18 +263,21 @@ class FirebirdReflector implements Dibi\Reflector
 	 * Returns list of triggers for given table.
 	 * (Only if user has permissions on ALTER TABLE, INSERT/UPDATE/DELETE record in table)
 	 */
-	public function getTriggers(string $table = null): array
+	public function getTriggers(?string $table = null): array
 	{
 		$q = 'SELECT TRIM(RDB$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);
 		$triggers = [];
 		while ($row = $res->fetch(false)) {
 			$triggers[] = $row[0];
 		}
+
 		return $triggers;
 	}
 
@@ -307,8 +317,8 @@ 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'];
@@ -319,6 +329,7 @@ class FirebirdReflector implements Dibi\Reflector
 			$procedures[$key]['params'][$io][$num]['type'] = trim($row['FIELD_TYPE']);
 			$procedures[$key]['params'][$io][$num]['size'] = $row['FIELD_LENGTH'];
 		}
+
 		return $procedures;
 	}
 
@@ -330,12 +341,13 @@ 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];
 		}
+
 		return $procedures;
 	}
 
@@ -348,12 +360,13 @@ 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];
 		}
+
 		return $generators;
 	}
 
@@ -366,12 +379,13 @@ 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];
 		}
+
 		return $functions;
 	}
 }

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]);
 
@@ -124,6 +126,7 @@ class FirebirdResult implements Dibi\ResultDriver
 				'nativetype' => $row['type'],
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/MySqlReflector.php

@@ -43,6 +43,7 @@ class MySqlReflector implements Dibi\Reflector
 				'view' => isset($row[1]) && $row[1] === 'VIEW',
 			];
 		}
+
 		return $tables;
 	}
 
@@ -67,6 +68,7 @@ class MySqlReflector implements Dibi\Reflector
 				'vendor' => $row,
 			];
 		}
+
 		return $columns;
 	}
 
@@ -84,6 +86,7 @@ class MySqlReflector implements Dibi\Reflector
 			$indexes[$row['Key_name']]['primary'] = $row['Key_name'] === 'PRIMARY';
 			$indexes[$row['Key_name']]['columns'][$row['Seq_in_index'] - 1] = $row['Column_name'];
 		}
+
 		return array_values($indexes);
 	}
 
@@ -123,6 +126,7 @@ class MySqlReflector implements Dibi\Reflector
 			$foreignKeys[$keyName]['onDelete'] = $row['DELETE_RULE'];
 			$foreignKeys[$keyName]['onUpdate'] = $row['UPDATE_RULE'];
 		}
+
 		return array_values($foreignKeys);
 	}
 }

src/Dibi/Drivers/MySqliDriver.php

@@ -72,7 +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;
@@ -88,6 +88,7 @@ class MySqliDriver implements Dibi\Driver
 					$this->connection->options($key, $value);
 				}
 			}
+
 			@$this->connection->real_connect( // intentionally @
 				(empty($config['persistent']) ? '' : 'p:') . $config['host'],
 				$config['username'],
@@ -153,6 +154,7 @@ class MySqliDriver implements Dibi\Driver
 		} elseif ($res instanceof \mysqli_result) {
 			return $this->createResultDriver($res);
 		}
+
 		return null;
 	}
 
@@ -191,6 +193,7 @@ class MySqliDriver implements Dibi\Driver
 		foreach ($matches as $m) {
 			$res[$m[1]] = (int) $m[2];
 		}
+
 		return $res;
 	}
 
@@ -200,7 +203,9 @@ 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;
 	}
 
 
@@ -217,7 +222,7 @@ class MySqliDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 		$this->query($savepoint ? "SAVEPOINT $savepoint" : 'START TRANSACTION');
 	}
@@ -227,7 +232,7 @@ class MySqliDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		$this->query($savepoint ? "RELEASE SAVEPOINT $savepoint" : 'COMMIT');
 	}
@@ -237,7 +242,7 @@ class MySqliDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		$this->query($savepoint ? "ROLLBACK TO SAVEPOINT $savepoint" : 'ROLLBACK');
 	}
@@ -248,7 +253,11 @@ class MySqliDriver implements Dibi\Driver
 	 */
 	public function getResource(): ?\mysqli
 	{
-		return @$this->connection->thread_id ? $this->connection : null;
+		try {
+			return @$this->connection->thread_id ? $this->connection : null;
+		} catch (\Throwable $e) {
+			return null;
+		}
 	}
 
 
@@ -317,6 +326,7 @@ class MySqliDriver implements Dibi\Driver
 		if ($value->y || $value->m || $value->d) {
 			throw new Dibi\NotSupportedException('Only time interval is supported.');
 		}
+
 		return $value->format("'%r%H:%I:%S.%f'");
 	}
 

src/Dibi/Drivers/MySqliResult.php

@@ -55,6 +55,7 @@ class MySqliResult implements Dibi\ResultDriver
 		if (!$this->buffered) {
 			throw new Dibi\NotSupportedException('Row count is not available for unbuffered queries.');
 		}
+
 		return $this->resultSet->num_rows;
 	}
 
@@ -80,6 +81,7 @@ class MySqliResult implements Dibi\ResultDriver
 		if (!$this->buffered) {
 			throw new Dibi\NotSupportedException('Cannot seek an unbuffered result set.');
 		}
+
 		return $this->resultSet->data_seek($row);
 	}
 
@@ -107,6 +109,7 @@ class MySqliResult implements Dibi\ResultDriver
 					$types[$value] = substr($key, 12);
 				}
 			}
+
 			$types[MYSQLI_TYPE_TINY] = $types[MYSQLI_TYPE_SHORT] = $types[MYSQLI_TYPE_LONG] = 'INT';
 		}
 
@@ -123,6 +126,7 @@ class MySqliResult implements Dibi\ResultDriver
 				'vendor' => $row,
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/OdbcDriver.php

@@ -54,11 +54,9 @@ class OdbcDriver implements Dibi\Driver
 				'dsn' => ini_get('odbc.default_db'),
 			];
 
-			if (empty($config['persistent'])) {
+			$this->connection = empty($config['persistent'])
-				$this->connection = @odbc_connect($config['dsn'], $config['username'] ?? '', $config['password'] ?? ''); // intentionally @
+				? @odbc_connect($config['dsn'], $config['username'] ?? '', $config['password'] ?? '') // intentionally @
-			} else {
+				: @odbc_pconnect($config['dsn'], $config['username'] ?? '', $config['password'] ?? ''); // intentionally @
-				$this->connection = @odbc_pconnect($config['dsn'], $config['username'] ?? '', $config['password'] ?? ''); // intentionally @
-			}
 		}
 
 		if (!is_resource($this->connection)) {
@@ -94,8 +92,11 @@ 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;
 	}
 
@@ -122,9 +123,9 @@ class OdbcDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	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));
 		}
 	}
@@ -134,12 +135,13 @@ class OdbcDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		if (!odbc_commit($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);
 	}
 
 
@@ -147,12 +149,13 @@ class OdbcDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		if (!odbc_rollback($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);
 	}
 
 

src/Dibi/Drivers/OdbcReflector.php

@@ -44,6 +44,7 @@ class OdbcReflector implements Dibi\Reflector
 				];
 			}
 		}
+
 		odbc_free_result($res);
 		return $tables;
 	}
@@ -68,6 +69,7 @@ class OdbcReflector implements Dibi\Reflector
 				];
 			}
 		}
+
 		odbc_free_result($res);
 		return $columns;
 	}

src/Dibi/Drivers/OdbcResult.php

@@ -72,11 +72,13 @@ class OdbcResult implements Dibi\ResultDriver
 			if (!odbc_fetch_row($set, ++$this->row)) {
 				return null;
 			}
+
 			$count = odbc_num_fields($set);
 			$cols = [];
 			for ($i = 1; $i <= $count; $i++) {
 				$cols[] = odbc_result($set, $i);
 			}
+
 			return $cols;
 		}
 	}
@@ -116,6 +118,7 @@ class OdbcResult implements Dibi\ResultDriver
 				'nativetype' => odbc_field_type($this->resultSet, $i),
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/OracleDriver.php

@@ -96,12 +96,15 @@ 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);
 			throw new Dibi\DriverException($err['message'], $err['code'], $sql);
 		}
+
 		return null;
 	}
 
@@ -145,7 +148,7 @@ class OracleDriver implements Dibi\Driver
 	/**
 	 * Begins a transaction (if supported).
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 		$this->autocommit = false;
 	}
@@ -155,12 +158,13 @@ class OracleDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		if (!oci_commit($this->connection)) {
 			$err = oci_error($this->connection);
 			throw new Dibi\DriverException($err['message'], $err['code']);
 		}
+
 		$this->autocommit = true;
 	}
 
@@ -169,12 +173,13 @@ class OracleDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		if (!oci_rollback($this->connection)) {
 			$err = oci_error($this->connection);
 			throw new Dibi\DriverException($err['message'], $err['code']);
 		}
+
 		$this->autocommit = true;
 	}
 

src/Dibi/Drivers/OracleReflector.php

@@ -44,6 +44,7 @@ class OracleReflector implements Dibi\Reflector
 				];
 			}
 		}
+
 		return $tables;
 	}
 
@@ -66,6 +67,7 @@ class OracleReflector implements Dibi\Reflector
 				'vendor' => $row,
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/OracleResult.php

@@ -100,6 +100,7 @@ class OracleResult implements Dibi\ResultDriver
 				'nativetype' => $type === 'NUMBER' && oci_field_scale($this->resultSet, $i) === 0 ? 'INTEGER' : $type,
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/PdoDriver.php

@@ -56,21 +56,23 @@ 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.');
 				}
+
 				throw new Dibi\DriverException($e->getMessage(), $e->getCode());
 			}
 		}
 
-		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.');
-		}
-
 		$this->driverName = $this->connection->getAttribute(PDO::ATTR_DRIVER_NAME);
 		$this->serverVersion = (string) ($config['version'] ?? @$this->connection->getAttribute(PDO::ATTR_SERVER_VERSION)); // @ - may be not supported
 	}
@@ -142,7 +144,7 @@ class PdoDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 		if (!$this->connection->beginTransaction()) {
 			$err = $this->connection->errorInfo();
@@ -155,7 +157,7 @@ class PdoDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		if (!$this->connection->commit()) {
 			$err = $this->connection->errorInfo();
@@ -168,7 +170,7 @@ class PdoDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		if (!$this->connection->rollBack()) {
 			$err = $this->connection->errorInfo();
@@ -232,21 +234,17 @@ class PdoDriver implements Dibi\Driver
 	 */
 	public function escapeText(string $value): string
 	{
-		if ($this->driverName === 'odbc') {
+		return $this->driverName === 'odbc'
-			return "'" . str_replace("'", "''", $value) . "'";
+			? "'" . str_replace("'", "''", $value) . "'"
-		} else {
+			: $this->connection->quote($value, PDO::PARAM_STR);
-			return $this->connection->quote($value, PDO::PARAM_STR);
-		}
 	}
 
 
 	public function escapeBinary(string $value): string
 	{
-		if ($this->driverName === 'odbc') {
+		return $this->driverName === 'odbc'
-			return "'" . str_replace("'", "''", $value) . "'";
+			? "'" . str_replace("'", "''", $value) . "'"
-		} else {
+			: $this->connection->quote($value, PDO::PARAM_LOB);
-			return $this->connection->quote($value, PDO::PARAM_LOB);
-		}
 	}
 
 
@@ -368,15 +366,18 @@ class PdoDriver implements Dibi\Driver
 					$sql .= ' LIMIT ' . ($limit ?? '18446744073709551615')
 						. ($offset ? ' OFFSET ' . $offset : '');
 				}
+
 				break;
 
 			case 'pgsql':
 				if ($limit !== null) {
 					$sql .= ' LIMIT ' . $limit;
 				}
+
 				if ($offset) {
 					$sql .= ' OFFSET ' . $offset;
 				}
+
 				break;
 
 			case 'sqlite':
@@ -384,6 +385,7 @@ class PdoDriver implements Dibi\Driver
 					$sql .= ' LIMIT ' . ($limit ?? '-1')
 						. ($offset ? ' OFFSET ' . $offset : '');
 				}
+
 				break;
 
 			case 'oci':
@@ -396,6 +398,7 @@ class PdoDriver implements Dibi\Driver
 				} elseif ($limit !== null) {
 					$sql = 'SELECT * FROM (' . $sql . ') WHERE ROWNUM <= ' . $limit;
 				}
+
 				break;
 
 			case 'mssql':
@@ -408,10 +411,10 @@ class PdoDriver implements Dibi\Driver
 					} elseif ($offset) {
 						$sql = sprintf('%s OFFSET %d ROWS', rtrim($sql), $offset);
 					}
+
 					break;
 				}
 				// break omitted
-
 			case 'odbc':
 				if ($offset) {
 					throw new Dibi\NotSupportedException('Offset is not supported by this database.');
@@ -421,7 +424,6 @@ class PdoDriver implements Dibi\Driver
 					break;
 				}
 				// break omitted
-
 			default:
 				throw new Dibi\NotSupportedException('PDO or driver does not support applying limit or offset.');
 		}

src/Dibi/Drivers/PdoResult.php

@@ -85,7 +85,8 @@ 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',
 			];
@@ -99,6 +100,7 @@ class PdoResult implements Dibi\ResultDriver
 				'vendor' => $row,
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/PostgreDriver.php

@@ -11,6 +11,7 @@ namespace Dibi\Drivers;
 
 use Dibi;
 use Dibi\Helpers;
+use PgSql;
 
 
 /**
@@ -29,7 +30,7 @@ class PostgreDriver implements Dibi\Driver
 {
 	use Dibi\Strict;
 
-	/** @var resource */
+	/** @var resource|PgSql\Connection */
 	private $connection;
 
 	/** @var int|null  Affected rows */
@@ -63,20 +64,19 @@ 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'])) {
+			$this->connection = empty($config['persistent'])
-				$this->connection = pg_connect($string, $connectType);
+				? pg_connect($string, $connectType)
-			} else {
+				: pg_pconnect($string, $connectType);
-				$this->connection = pg_pconnect($string, $connectType);
-			}
 			restore_error_handler();
 		}
 
-		if (!is_resource($this->connection)) {
+		if (!is_resource($this->connection) && !$this->connection instanceof PgSql\Connection) {
 			throw new Dibi\DriverException($error ?: 'Connecting error.');
 		}
 
@@ -122,17 +122,18 @@ class PostgreDriver implements Dibi\Driver
 		if ($res === false) {
 			throw static::createException(pg_last_error($this->connection), null, $sql);
 
-		} elseif (is_resource($res)) {
+		} elseif (is_resource($res) || $res instanceof PgSql\Result) {
 			$this->affectedRows = Helpers::false2Null(pg_affected_rows($res));
 			if (pg_num_fields($res)) {
 				return $this->createResultDriver($res);
 			}
 		}
+
 		return null;
 	}
 
 
-	public static function createException(string $message, $code = null, string $sql = null): Dibi\DriverException
+	public static function createException(string $message, $code = null, ?string $sql = null): Dibi\DriverException
 	{
 		if ($code === null && preg_match('#^ERROR:\s+(\S+):\s*#', $message, $m)) {
 			$code = $m[1];
@@ -171,12 +172,9 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function getInsertId(?string $sequence): ?int
 	{
-		if ($sequence === null) {
+		$res = $sequence === null
-			// PostgreSQL 8.1 is needed
+			? $this->query('SELECT LASTVAL()') // PostgreSQL 8.1 is needed
-			$res = $this->query('SELECT LASTVAL()');
+			: $this->query("SELECT CURRVAL('$sequence')");
-		} else {
-			$res = $this->query("SELECT CURRVAL('$sequence')");
-		}
 
 		if (!$res) {
 			return null;
@@ -191,9 +189,9 @@ class PostgreDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
-		$this->query($savepoint ? "SAVEPOINT $savepoint" : 'START TRANSACTION');
+		$this->query($savepoint ? "SAVEPOINT {$this->escapeIdentifier($savepoint)}" : 'START TRANSACTION');
 	}
 
 
@@ -201,9 +199,9 @@ class PostgreDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
-		$this->query($savepoint ? "RELEASE SAVEPOINT $savepoint" : 'COMMIT');
+		$this->query($savepoint ? "RELEASE SAVEPOINT {$this->escapeIdentifier($savepoint)}" : 'COMMIT');
 	}
 
 
@@ -211,9 +209,9 @@ class PostgreDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	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');
 	}
 
 
@@ -232,7 +230,9 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function getResource()
 	{
-		return is_resource($this->connection) ? $this->connection : null;
+		return is_resource($this->connection) || $this->connection instanceof PgSql\Connection
+			? $this->connection
+			: null;
 	}
 
 
@@ -263,18 +263,20 @@ class PostgreDriver implements Dibi\Driver
 	 */
 	public function escapeText(string $value): string
 	{
-		if (!is_resource($this->connection)) {
+		if (!$this->getResource()) {
 			throw new Dibi\Exception('Lost connection to server.');
 		}
+
 		return "'" . pg_escape_string($this->connection, $value) . "'";
 	}
 
 
 	public function escapeBinary(string $value): string
 	{
-		if (!is_resource($this->connection)) {
+		if (!$this->getResource()) {
 			throw new Dibi\Exception('Lost connection to server.');
 		}
+
 		return "'" . pg_escape_bytea($this->connection, $value) . "'";
 	}
 
@@ -330,9 +332,11 @@ class PostgreDriver implements Dibi\Driver
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
 		}
+
 		if ($limit !== null) {
 			$sql .= ' LIMIT ' . $limit;
 		}
+
 		if ($offset) {
 			$sql .= ' OFFSET ' . $offset;
 		}

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 = $version;
 	}
@@ -69,6 +66,7 @@ class PostgreReflector implements Dibi\Reflector
 		while ($row = $res->fetch(true)) {
 			$tables[] = $row;
 		}
+
 		return $tables;
 	}
 
@@ -105,7 +103,7 @@ class PostgreReflector implements Dibi\Reflector
 					a.atttypmod-4 AS character_maximum_length,
 					NOT a.attnotnull AS is_nullable,
 					a.attnum AS ordinal_position,
-					adef.adsrc AS column_default
+					pg_get_expr(adef.adbin, adef.adrelid) AS column_default
 				FROM
 					pg_attribute a
 					JOIN pg_type ON a.atttypid = pg_type.oid
@@ -134,6 +132,7 @@ class PostgreReflector implements Dibi\Reflector
 				'vendor' => $row,
 			];
 		}
+
 		return $columns;
 	}
 
@@ -183,6 +182,7 @@ class PostgreReflector implements Dibi\Reflector
 				}
 			}
 		}
+
 		return array_values($indexes);
 	}
 
@@ -251,7 +251,10 @@ 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

@@ -11,6 +11,7 @@ namespace Dibi\Drivers;
 
 use Dibi;
 use Dibi\Helpers;
+use PgSql;
 
 
 /**
@@ -20,7 +21,7 @@ class PostgreResult implements Dibi\ResultDriver
 {
 	use Dibi\Strict;
 
-	/** @var resource */
+	/** @var resource|PgSql\Result */
 	private $resultSet;
 
 	/** @var bool */
@@ -28,7 +29,7 @@ class PostgreResult implements Dibi\ResultDriver
 
 
 	/**
-	 * @param  resource  $resultSet
+	 * @param  resource|PgSql\Result  $resultSet
 	 */
 	public function __construct($resultSet)
 	{
@@ -97,21 +98,26 @@ 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;
 	}
 
 
 	/**
 	 * Returns the result set resource.
-	 * @return resource|null
+	 * @return resource|PgSql\Result|null
 	 */
 	public function getResultResource()
 	{
 		$this->autoFree = false;
-		return is_resource($this->resultSet) ? $this->resultSet : null;
+		return is_resource($this->resultSet) || $this->resultSet instanceof PgSql\Result
+			? $this->resultSet
+			: null;
 	}
 
 

src/Dibi/Drivers/SqliteDriver.php

@@ -57,7 +57,7 @@ class SqliteDriver implements Dibi\Driver
 		} else {
 			try {
 				$this->connection = new SQLite3($config['database']);
-			} catch (\Exception $e) {
+			} catch (\Throwable $e) {
 				throw new Dibi\DriverException($e->getMessage(), $e->getCode());
 			}
 		}
@@ -92,6 +92,7 @@ class SqliteDriver implements Dibi\Driver
 		} elseif ($res instanceof \SQLite3Result && $res->numColumns()) {
 			return $this->createResultDriver($res);
 		}
+
 		return null;
 	}
 
@@ -145,7 +146,7 @@ class SqliteDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 		$this->query($savepoint ? "SAVEPOINT $savepoint" : 'BEGIN');
 	}
@@ -155,7 +156,7 @@ class SqliteDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		$this->query($savepoint ? "RELEASE SAVEPOINT $savepoint" : 'COMMIT');
 	}
@@ -165,7 +166,7 @@ class SqliteDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		$this->query($savepoint ? "ROLLBACK TO SAVEPOINT $savepoint" : 'ROLLBACK');
 	}
@@ -286,8 +287,12 @@ class SqliteDriver implements Dibi\Driver
 	/**
 	 * Registers an aggregating user defined function for use in SQL statements.
 	 */
-	public function registerAggregateFunction(string $name, callable $rowCallback, callable $agrCallback, int $numArgs = -1): void
+	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

@@ -44,6 +44,7 @@ class SqliteReflector implements Dibi\Reflector
 		while ($row = $res->fetch(true)) {
 			$tables[] = $row;
 		}
+
 		return $tables;
 	}
 
@@ -64,12 +65,13 @@ 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,
 			];
 		}
+
 		return $columns;
 	}
 
@@ -98,13 +100,15 @@ 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;
 				}
 			}
+
 			$indexes[$index]['primary'] = (bool) $primary;
 		}
+
 		if (!$indexes) { // @see http://www.sqlite.org/lang_createtable.html#rowid
 			foreach ($columns as $column) {
 				if ($column['vendor']['pk']) {
@@ -142,6 +146,7 @@ class SqliteReflector implements Dibi\Reflector
 				$keys[$row['id']]['foreign'] = null;
 			}
 		}
+
 		return array_values($keys);
 	}
 }

src/Dibi/Drivers/SqliteResult.php

@@ -99,6 +99,7 @@ class SqliteResult implements Dibi\ResultDriver
 				'nativetype' => $types[$this->resultSet->columnType($i)] ?? null, // buggy in PHP 7.4.4 & 7.3.16, bug 79414
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Drivers/SqlsrvDriver.php

@@ -53,7 +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'];
 
@@ -63,13 +65,16 @@ 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'];
 	}
 
@@ -98,8 +103,11 @@ 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;
 	}
 
@@ -123,6 +131,7 @@ class SqlsrvDriver implements Dibi\Driver
 			$row = sqlsrv_fetch_array($res, SQLSRV_FETCH_NUMERIC);
 			return Dibi\Helpers::intVal($row[0]);
 		}
+
 		return null;
 	}
 
@@ -131,7 +140,7 @@ class SqlsrvDriver implements Dibi\Driver
 	 * Begins a transaction (if supported).
 	 * @throws Dibi\DriverException
 	 */
-	public function begin(string $savepoint = null): void
+	public function begin(?string $savepoint = null): void
 	{
 		sqlsrv_begin_transaction($this->connection);
 	}
@@ -141,7 +150,7 @@ class SqlsrvDriver implements Dibi\Driver
 	 * Commits statements in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function commit(string $savepoint = null): void
+	public function commit(?string $savepoint = null): void
 	{
 		sqlsrv_commit($this->connection);
 	}
@@ -151,7 +160,7 @@ class SqlsrvDriver implements Dibi\Driver
 	 * Rollback changes in a transaction.
 	 * @throws Dibi\DriverException
 	 */
-	public function rollback(string $savepoint = null): void
+	public function rollback(?string $savepoint = null): void
 	{
 		sqlsrv_rollback($this->connection);
 	}
@@ -260,7 +269,6 @@ class SqlsrvDriver implements Dibi\Driver
 			} elseif ($limit !== null) {
 				$sql = sprintf('SELECT TOP (%d) * FROM (%s) t', $limit, $sql);
 			}
-
 		} elseif ($limit !== null) {
 			// requires ORDER BY, see https://technet.microsoft.com/en-us/library/gg699618(v=sql.110).aspx
 			$sql = sprintf('%s OFFSET %d ROWS FETCH NEXT %d ROWS ONLY', rtrim($sql), $offset, $limit);

src/Dibi/Drivers/SqlsrvReflector.php

@@ -42,6 +42,7 @@ class SqlsrvReflector implements Dibi\Reflector
 				'view' => isset($row[1]) && $row[1] === 'VIEW',
 			];
 		}
+
 		return $tables;
 	}
 
@@ -91,6 +92,7 @@ class SqlsrvReflector implements Dibi\Reflector
 				'vendor' => $row,
 			];
 		}
+
 		return $columns;
 	}
 
@@ -114,6 +116,7 @@ class SqlsrvReflector implements Dibi\Reflector
 			$indexes[$row['name']]['primary'] = $row['is_primary_key'] === 1;
 			$indexes[$row['name']]['columns'] = $keyUsages[$row['name']] ?? [];
 		}
+
 		return array_values($indexes);
 	}
 

src/Dibi/Drivers/SqlsrvResult.php

@@ -96,6 +96,7 @@ class SqlsrvResult implements Dibi\ResultDriver
 				'nativetype' => $fieldMetadata['Type'],
 			];
 		}
+
 		return $columns;
 	}
 

src/Dibi/Event.php

@@ -53,7 +53,7 @@ class Event
 	public $source;
 
 
-	public function __construct(Connection $connection, int $type, string $sql = null)
+	public function __construct(Connection $connection, int $type, ?string $sql = null)
 	{
 		$this->connection = $connection;
 		$this->type = $type;

src/Dibi/Fluent.php

@@ -119,7 +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']);
 		}
 	}
 
@@ -136,6 +136,7 @@ class Fluent implements IDataSource
 			if (isset(self::$masks[$clause])) {
 				$this->clauses = array_fill_keys(self::$masks[$clause], null);
 			}
+
 			$this->cursor = &$this->clauses[$clause];
 			$this->cursor = [];
 			$this->command = $clause;
@@ -165,7 +166,6 @@ class Fluent implements IDataSource
 					$this->cursor[] = $sep;
 				}
 			}
-
 		} else {
 			// append to currect flow
 			if ($args === [self::REMOVE]) {
@@ -203,6 +203,7 @@ class Fluent implements IDataSource
 			if ($arg instanceof self) {
 				$arg = new Literal("($arg)");
 			}
+
 			$this->cursor[] = $arg;
 		}
 
@@ -245,6 +246,7 @@ class Fluent implements IDataSource
 		} else {
 			unset($this->flags[$flag]);
 		}
+
 		return $this;
 	}
 
@@ -291,7 +293,7 @@ class Fluent implements IDataSource
 	 * @return Result|int|null  result set or number of affected rows
 	 * @throws Exception
 	 */
-	public function execute(string $return = null)
+	public function execute(?string $return = null)
 	{
 		$res = $this->query($this->_export());
 		switch ($return) {
@@ -311,11 +313,9 @@ class Fluent implements IDataSource
 	 */
 	public function fetch()
 	{
-		if ($this->command === 'SELECT' && !$this->clauses['LIMIT']) {
+		return $this->command === 'SELECT' && !$this->clauses['LIMIT']
-			return $this->query($this->_export(null, ['%lmt', 1]))->fetch();
+			? $this->query($this->_export(null, ['%lmt', 1]))->fetch()
-		} else {
+			: $this->query($this->_export())->fetch();
-			return $this->query($this->_export())->fetch();
-		}
 	}
 
 
@@ -325,18 +325,16 @@ class Fluent implements IDataSource
 	 */
 	public function fetchSingle()
 	{
-		if ($this->command === 'SELECT' && !$this->clauses['LIMIT']) {
+		return $this->command === 'SELECT' && !$this->clauses['LIMIT']
-			return $this->query($this->_export(null, ['%lmt', 1]))->fetchSingle();
+			? $this->query($this->_export(null, ['%lmt', 1]))->fetchSingle()
-		} else {
+			: $this->query($this->_export())->fetchSingle();
-			return $this->query($this->_export())->fetchSingle();
-		}
 	}
 
 
 	/**
 	 * Fetches all records from table.
 	 */
-	public function fetchAll(int $offset = null, int $limit = null): array
+	public function fetchAll(?int $offset = null, ?int $limit = null): array
 	{
 		return $this->query($this->_export(null, ['%ofs %lmt', $offset, $limit]))->fetchAll();
 	}
@@ -355,7 +353,7 @@ class Fluent implements IDataSource
 	/**
 	 * Fetches all records from table like $key => $value pairs.
 	 */
-	public function fetchPairs(string $key = null, string $value = null): array
+	public function fetchPairs(?string $key = null, ?string $value = null): array
 	{
 		return $this->query($this->_export())->fetchPairs($key, $value);
 	}
@@ -364,7 +362,7 @@ class Fluent implements IDataSource
 	/**
 	 * Required by the IteratorAggregate interface.
 	 */
-	public function getIterator(int $offset = null, int $limit = null): ResultIterator
+	public function getIterator(?int $offset = null, ?int $limit = null): ResultIterator
 	{
 		return $this->query($this->_export(null, ['%ofs %lmt', $offset, $limit]))->getIterator();
 	}
@@ -373,7 +371,7 @@ class Fluent implements IDataSource
 	/**
 	 * Generates and prints SQL query or it's part.
 	 */
-	public function test(string $clause = null): bool
+	public function test(?string $clause = null): bool
 	{
 		return $this->connection->test($this->_export($clause));
 	}
@@ -394,6 +392,7 @@ class Fluent implements IDataSource
 			$method = array_shift($setup);
 			$res->$method(...$setup);
 		}
+
 		return $res;
 	}
 
@@ -424,7 +423,7 @@ class Fluent implements IDataSource
 	/**
 	 * Generates parameters for Translator.
 	 */
-	protected function _export(string $clause = null, array $args = []): array
+	protected function _export(?string $clause = null, array $args = []): array
 	{
 		if ($clause === null) {
 			$data = $this->clauses;
@@ -432,7 +431,6 @@ class Fluent implements IDataSource
 				$args = array_merge(['%lmt %ofs', $data['LIMIT'][0] ?? null, $data['OFFSET'][0] ?? null], $args);
 				unset($data['LIMIT'], $data['OFFSET']);
 			}
-
 		} else {
 			$clause = self::$normalizer->$clause;
 			if (array_key_exists($clause, $this->clauses)) {
@@ -448,6 +446,7 @@ class Fluent implements IDataSource
 				if ($clause === $this->command && $this->flags) {
 					$args[] = implode(' ', array_keys($this->flags));
 				}
+
 				foreach ($statement as $arg) {
 					$args[] = $arg;
 				}
@@ -468,6 +467,7 @@ class Fluent implements IDataSource
 			$s .= 'By';
 			trigger_error("Did you mean '$s'?", E_USER_NOTICE);
 		}
+
 		return strtoupper(preg_replace('#[a-z](?=[A-Z])#', '$0 ', $s));
 	}
 
@@ -479,6 +479,7 @@ class Fluent implements IDataSource
 			$this->clauses[$clause] = &$val;
 			unset($val);
 		}
+
 		$this->cursor = &$foo;
 	}
 }

src/Dibi/HashMap.php

@@ -50,6 +50,7 @@ final class HashMap extends HashMapBase
 		if ($nm === '') {
 			$nm = "\xFF";
 		}
+
 		$this->$nm = $val;
 	}
 
@@ -58,7 +59,7 @@ final class HashMap extends HashMapBase
 	{
 		if ($nm === '') {
 			$nm = "\xFF";
-			return isset($this->$nm) ? $this->$nm : $this->$nm = $this->getCallback()('');
+			return isset($this->$nm) && true ? $this->$nm : $this->$nm = $this->getCallback()('');
 		} else {
 			return $this->$nm = $this->getCallback()($nm);
 		}

src/Dibi/Helpers.php

@@ -41,6 +41,7 @@ class Helpers
 					$spaces = $maxLen - mb_strlen($col) + 2;
 					echo "$col" . str_repeat(' ', $spaces) . "$val\n";
 				}
+
 				echo "\n";
 			}
 
@@ -53,6 +54,7 @@ class Helpers
 					foreach ($row as $col => $foo) {
 						echo "\t\t<th>" . htmlspecialchars((string) $col) . "</th>\n";
 					}
+
 					echo "\t</tr>\n</thead>\n<tbody>\n";
 				}
 
@@ -60,6 +62,7 @@ class Helpers
 				foreach ($row as $col) {
 					echo "\t\t<td>", htmlspecialchars((string) $col), "</td>\n";
 				}
+
 				echo "\t</tr>\n";
 			}
 
@@ -104,6 +107,7 @@ class Helpers
 						}
 					}, $sql);
 				}
+
 				echo trim($sql) . "\n\n";
 
 			} else {
@@ -143,13 +147,14 @@ class Helpers
 	{
 		$best = null;
 		$min = (strlen($value) / 4 + 1) * 10 + .1;
-		foreach (array_unique($items, SORT_REGULAR) as $item) {
+		$items = array_map('strval', $items);
-			$item = is_object($item) ? $item->getName() : $item;
+		foreach (array_unique($items) as $item) {
 			if (($len = levenshtein($item, $value, 10, 11, 10)) > 0 && $len < $min) {
 				$min = $len;
 				$best = $item;
 			}
 		}
+
 		return $best;
 	}
 
@@ -181,6 +186,7 @@ class Helpers
 	{
 		static $patterns = [
 			'^_' => Type::TEXT, // PostgreSQL arrays
+			'RANGE$' => Type::TEXT, // PostgreSQL range types
 			'BYTEA|BLOB|BIN' => Type::BINARY,
 			'TEXT|CHAR|POINT|INTERVAL|STRING' => Type::TEXT,
 			'YEAR|BYTE|COUNTER|SERIAL|INT|LONG|SHORT|^TINY$' => Type::INTEGER,
@@ -197,6 +203,7 @@ class Helpers
 				return $val;
 			}
 		}
+
 		return null;
 	}
 
@@ -205,8 +212,9 @@ class Helpers
 	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;
 	}
 
@@ -232,7 +240,7 @@ class Helpers
 	 * Import SQL dump from file.
 	 * @return int  count of sql commands
 	 */
-	public static function loadFromFile(Connection $connection, string $file, callable $onProgress = null): int
+	public static function loadFromFile(Connection $connection, string $file, ?callable $onProgress = null): int
 	{
 		@set_time_limit(0); // intentionally @
 
@@ -259,7 +267,6 @@ class Helpers
 				if ($onProgress) {
 					$onProgress($count, isset($stat['size']) ? $size * 100 / $stat['size'] : null);
 				}
-
 			} else {
 				$sql .= $s;
 			}
@@ -272,6 +279,7 @@ class Helpers
 				$onProgress($count, isset($stat['size']) ? 100 : null);
 			}
 		}
+
 		fclose($handle);
 		return $count;
 	}
@@ -293,6 +301,7 @@ class Helpers
 			if (is_float($value * 1)) {
 				throw new Exception("Number $value is greater than integer.");
 			}
+
 			return (int) $value;
 		} else {
 			throw new Exception("Expected number, '$value' given.");

src/Dibi/Loggers/FileLogger.php

@@ -29,7 +29,7 @@ class FileLogger
 	private $errorsOnly;
 
 
-	public function __construct(string $file, int $filter = null, bool $errorsOnly = false)
+	public function __construct(string $file, ?int $filter = null, bool $errorsOnly = false)
 	{
 		$this->file = $file;
 		$this->filter = $filter ?: Dibi\Event::QUERY;
@@ -54,6 +54,7 @@ class FileLogger
 			if ($code = $event->result->getCode()) {
 				$message = "[$code] $message";
 			}
+
 			$this->writeToFile(
 				$event,
 				"ERROR: $message"

src/Dibi/Reflection/Column.php

@@ -36,7 +36,7 @@ class Column
 	private $info;
 
 
-	public function __construct(Dibi\Reflector $reflector = null, array $info)
+	public function __construct(?Dibi\Reflector $reflector, array $info)
 	{
 		$this->reflector = $reflector;
 		$this->info = $info;
@@ -66,13 +66,16 @@ class Column
 		if (empty($this->info['table']) || !$this->reflector) {
 			throw new Dibi\Exception('Table is unknown or not available.');
 		}
+
 		return new Table($this->reflector, ['name' => $this->info['table']]);
 	}
 
 
 	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;
 	}
 
 

src/Dibi/Reflection/Database.php

@@ -33,7 +33,7 @@ class Database
 	private $tables;
 
 
-	public function __construct(Dibi\Reflector $reflector, string $name = null)
+	public function __construct(Dibi\Reflector $reflector, ?string $name = null)
 	{
 		$this->reflector = $reflector;
 		$this->name = $name;
@@ -62,6 +62,7 @@ class Database
 		foreach ($this->tables as $table) {
 			$res[] = $table->getName();
 		}
+
 		return $res;
 	}
 

src/Dibi/Reflection/Result.php

@@ -54,6 +54,7 @@ class Result
 		foreach ($this->columns as $column) {
 			$res[] = $fullNames ? $column->getFullName() : $column->getName();
 		}
+
 		return $res;
 	}
 
@@ -82,7 +83,9 @@ 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

@@ -85,6 +85,7 @@ class Table
 		foreach ($this->columns as $column) {
 			$res[] = $column->getName();
 		}
+
 		return $res;
 	}
 
@@ -152,6 +153,7 @@ class Table
 				foreach ($info['columns'] as $key => $name) {
 					$info['columns'][$key] = $this->columns[strtolower($name)];
 				}
+
 				$this->indexes[strtolower($info['name'])] = new Index($info);
 				if (!empty($info['primary'])) {
 					$this->primaryKey = $this->indexes[strtolower($info['name'])];

src/Dibi/Result.php

@@ -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;
 	}
 
 
@@ -166,6 +170,7 @@ class Result implements IDataSource
 		if ($row === null) {
 			return null;
 		}
+
 		$this->fetched = true;
 		$this->normalize($row);
 		if ($this->rowFactory) {
@@ -173,6 +178,7 @@ class Result implements IDataSource
 		} elseif ($this->rowClass) {
 			return new $this->rowClass($row);
 		}
+
 		return $row;
 	}
 
@@ -187,6 +193,7 @@ class Result implements IDataSource
 		if ($row === null) {
 			return null;
 		}
+
 		$this->fetched = true;
 		$this->normalize($row);
 		return reset($row);
@@ -197,9 +204,9 @@ class Result implements IDataSource
 	 * Fetches all records from table.
 	 * @return Row[]|array[]
 	 */
-	final public function fetchAll(int $offset = null, int $limit = null): array
+	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) {
@@ -211,6 +218,7 @@ class Result implements IDataSource
 			if ($limit === 0) {
 				break;
 			}
+
 			$limit--;
 			$data[] = $row;
 		} while ($row = $this->fetch());
@@ -283,7 +291,6 @@ class Result implements IDataSource
 					} else {
 						$x = &$x->{$assoc[$i + 1]};
 					}
-
 				} elseif ($as !== '|') { // associative-array node
 					$x = &$x[(string) $row->$as];
 				}
@@ -341,7 +348,6 @@ class Result implements IDataSource
 					} else {
 						$x = &$x[$assoc[$i + 1]];
 					}
-
 				} elseif ($as === '@') { // "object" node
 					if ($x === null) {
 						$x = clone $row;
@@ -350,18 +356,15 @@ class Result implements IDataSource
 					} else {
 						$x = &$x->{$assoc[$i + 1]};
 					}
-
 				} else { // associative-array node
 					$x = &$x[(string) $row->$as];
 				}
 			}
 
 			if ($x === null) { // build leaf
-				if ($leaf === '=') {
+				$x = $leaf === '='
-					$x = $row->toArray();
+					? $row->toArray()
-				} else {
+					: $row;
-					$x = $row;
-				}
 			}
 		} while ($row = $this->fetch());
 
@@ -374,7 +377,7 @@ class Result implements IDataSource
 	 * Fetches all records from table like $key => $value pairs.
 	 * @throws \InvalidArgumentException
 	 */
-	final public function fetchPairs(string $key = null, string $value = null): array
+	final public function fetchPairs(?string $key = null, ?string $value = null): array
 	{
 		$this->seek(0);
 		$row = $this->fetch();
@@ -396,6 +399,7 @@ class Result implements IDataSource
 				do {
 					$data[] = $row[$key];
 				} while ($row = $this->fetch());
+
 				return $data;
 			}
 
@@ -410,6 +414,7 @@ class Result implements IDataSource
 				do {
 					$data[] = $row[$value];
 				} while ($row = $this->fetch());
+
 				return $data;
 			}
 
@@ -453,9 +458,14 @@ class Result implements IDataSource
 			if (!isset($row[$key])) { // null
 				continue;
 			}
-			$value = $row[$key];
 
-			if ($type === Type::TEXT) {
+			$value = $row[$key];
+			$format = $this->formats[$type] ?? null;
+
+			if ($type === null || $format === 'native') {
+				$row[$key] = $value;
+
+			} elseif ($type === Type::TEXT) {
 				$row[$key] = (string) $value;
 
 			} elseif ($type === Type::INTEGER) {
@@ -472,9 +482,11 @@ class Result implements IDataSource
 				} elseif ($p !== false && $e !== false) {
 					$value = rtrim($value, '.');
 				}
+
 				if ($value === '' || $value[0] === '.') {
 					$value = '0' . $value;
 				}
+
 				$row[$key] = $value === str_replace(',', '.', (string) ($float = (float) $value))
 					? $float
 					: $value;
@@ -483,31 +495,29 @@ class Result implements IDataSource
 				$row[$key] = ((bool) $value) && $value !== 'f' && $value !== 'F';
 
 			} elseif ($type === Type::DATETIME || $type === Type::DATE || $type === Type::TIME) {
-				if ($value && substr((string) $value, 0, 3) !== '000') { // '', null, false, '0000-00-00', ...
+				if ($value && substr((string) $value, 0, 7) !== '0000-00') { // '', 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");
+				$value = new \DateInterval("PT$m[2]H$m[3]M$m[4]S");
-				$row[$key]->invert = (int) (bool) $m[1];
+				$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 ($type === Type::JSON) {
-				if ($this->formats[$type] === 'string') {
+				if ($format === 'string') { // back compatibility with 'native'
 					$row[$key] = $value;
 				} else {
-					$row[$key] = json_decode($value, $this->formats[$type] === 'array');
+					$row[$key] = json_decode($value, $format === 'array');
 				}
-
-			} elseif ($type === null) {
-				$row[$key] = $value;
-
 			} else {
 				throw new \RuntimeException('Unexpected type ' . $type);
 			}
@@ -545,7 +555,7 @@ class Result implements IDataSource
 
 
 	/**
-	 * Sets date format.
+	 * Sets type format.
 	 */
 	final public function setFormat(string $type, ?string $format): self
 	{
@@ -554,6 +564,16 @@ class Result implements IDataSource
 	}
 
 
+	/**
+	 * Sets type formats.
+	 */
+	final public function setFormats(array $formats): self
+	{
+		$this->formats = $formats;
+		return $this;
+	}
+
+
 	/**
 	 * Returns data format.
 	 */
@@ -574,6 +594,7 @@ class Result implements IDataSource
 		if ($this->meta === null) {
 			$this->meta = new Reflection\Result($this->getResultDriver());
 		}
+
 		return $this->meta;
 	}
 

src/Dibi/ResultIterator.php

@@ -44,6 +44,7 @@ class ResultIterator implements \Iterator, \Countable
 	}
 
 
+	#[\ReturnTypeWillChange]
 	/**
 	 * Returns the key of the current element.
 	 * @return mixed
@@ -54,6 +55,7 @@ class ResultIterator implements \Iterator, \Countable
 	}
 
 
+	#[\ReturnTypeWillChange]
 	/**
 	 * Returns the current element.
 	 * @return mixed

src/Dibi/Row.php

@@ -33,15 +33,17 @@ class Row implements \ArrayAccess, \IteratorAggregate, \Countable
 	 * Converts value to DateTime object.
 	 * @return DateTime|string|null
 	 */
-	public function asDateTime(string $key, string $format = null)
+	public function asDateTime(string $key, ?string $format = null)
 	{
 		$time = $this[$key];
 		if (!$time instanceof DateTime) {
-			if (!$time || substr((string) $time, 0, 3) === '000') { // '', null, false, '0000-00-00', ...
+			if (!$time || substr((string) $time, 0, 7) === '0000-00') { // '', null, false, '0000-00-00', ...
 				return null;
 			}
+
 			$time = new DateTime($time);
 		}
+
 		return $format === null ? $time : $time->format($format);
 	}
 
@@ -53,40 +55,47 @@ class Row implements \ArrayAccess, \IteratorAggregate, \Countable
 	}
 
 
+	public function __isset(string $key): bool
+	{
+		return false;
+	}
+
+
 	/********************* interfaces ArrayAccess, Countable & IteratorAggregate ****************d*g**/
 
 
-	final public function count()
+	final public function count(): int
 	{
 		return count((array) $this);
 	}
 
 
-	final public function getIterator()
+	final public function getIterator(): \ArrayIterator
 	{
 		return new \ArrayIterator($this);
 	}
 
 
-	final public function offsetSet($nm, $val)
+	final public function offsetSet($nm, $val): void
 	{
 		$this->$nm = $val;
 	}
 
 
+	#[\ReturnTypeWillChange]
 	final public function offsetGet($nm)
 	{
 		return $this->$nm;
 	}
 
 
-	final public function offsetExists($nm)
+	final public function offsetExists($nm): bool
 	{
 		return isset($this->$nm);
 	}
 
 
-	final public function offsetUnset($nm)
+	final public function offsetUnset($nm): void
 	{
 		unset($this->$nm);
 	}

src/Dibi/Strict.php

@@ -29,9 +29,12 @@ trait Strict
 	 */
 	public function __call(string $name, array $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");
 	}
 
@@ -42,9 +45,12 @@ trait Strict
 	 */
 	public static function __callStatic(string $name, array $args)
 	{
-		$rc = new ReflectionClass(get_called_class());
+		$rc = new ReflectionClass(static::class);
-		$items = array_intersect($rc->getMethods(ReflectionMethod::IS_PUBLIC), $rc->getMethods(ReflectionMethod::IS_STATIC));
+		$items = array_filter($rc->getMethods(\ReflectionMethod::IS_STATIC), function ($m) { return $m->isPublic(); });
-		$hint = ($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 $t()?"
+			: '.';
 		throw new \LogicException("Call to undefined static method {$rc->getName()}::$name()$hint");
 	}
 
@@ -61,9 +67,13 @@ trait Strict
 			$ret = $this->$m();
 			return $ret;
 		}
+
 		$rc = new ReflectionClass($this);
-		$items = array_diff($rc->getProperties(ReflectionProperty::IS_PUBLIC), $rc->getProperties(ReflectionProperty::IS_STATIC));
+		$items = array_filter($rc->getProperties(ReflectionProperty::IS_PUBLIC), function ($p) { return !$p->isStatic(); });
-		$hint = ($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("Attempt to read undeclared property {$rc->getName()}::$$name$hint");
 	}
 
@@ -75,8 +85,11 @@ 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));
+		$items = array_filter($rc->getProperties(ReflectionProperty::IS_PUBLIC), function ($p) { return !$p->isStatic(); });
-		$hint = ($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("Attempt to write to undeclared property {$rc->getName()}::$$name$hint");
 	}
 
@@ -93,7 +106,7 @@ trait Strict
 	 */
 	public function __unset(string $name)
 	{
-		$class = get_class($this);
+		$class = static::class;
 		throw new \LogicException("Attempt to unset undeclared property $class::$$name.");
 	}
 }

src/Dibi/Translator.php

@@ -69,6 +69,7 @@ final class Translator
 		while (count($args) === 1 && is_array($args[0])) { // implicit array expansion
 			$args = array_values($args[0]);
 		}
+
 		$this->args = $args;
 		$this->errors = [];
 
@@ -93,7 +94,8 @@ final class Translator
 				} else {
 					$sql[] = substr($arg, 0, $toSkip)
 						// note: this can change $this->args & $this->cursor & ...
-						. preg_replace_callback(<<<'XX'
+						. preg_replace_callback(
+							<<<'XX'
 							/
 							(?=[`['":%?])                       ## speed-up
 							(?:
@@ -115,6 +117,7 @@ XX
 						throw new PcreException;
 					}
 				}
+
 				continue;
 			}
 
@@ -137,8 +140,10 @@ XX
 					if ($lastArr === $cursor - 1) {
 						$sql[] = ',';
 					}
+
 					$sql[] = $this->formatValue($arg, $commandIns ? 'l' : 'a');
 				}
+
 				$lastArr = $cursor;
 				continue;
 			}
@@ -147,7 +152,6 @@ XX
 			$sql[] = $this->formatValue($arg, null);
 		} // while
 
-
 		if ($comment) {
 			$sql[] = '*/';
 		}
@@ -213,13 +217,14 @@ XX
 								} else {
 									$op = '= ';
 								}
+
 								$vx[] = $k . $op . $v;
 							}
-
 						} else {
 							$vx[] = $this->formatValue($v, 'ex');
 						}
 					}
+
 					return '(' . implode(') ' . strtoupper($modifier) . ' (', $vx) . ')';
 
 				case 'n':  // key, key, ... identifier names
@@ -231,6 +236,7 @@ XX
 							$vx[] = $this->identifiers->{$pair[0]};
 						}
 					}
+
 					return implode(', ', $vx);
 
 
@@ -240,6 +246,7 @@ XX
 						$vx[] = $this->identifiers->{$pair[0]} . '='
 							. $this->formatValue($v, $pair[1] ?? (is_array($v) ? 'ex!' : null));
 					}
+
 					return implode(', ', $vx);
 
 
@@ -249,6 +256,7 @@ XX
 						$pair = explode('%', (string) $k, 2); // split into identifier & modifier
 						$vx[] = $this->formatValue($v, $pair[1] ?? (is_array($v) ? 'ex!' : null));
 					}
+
 					return '(' . (($vx || $modifier === 'l') ? implode(', ', $vx) : 'NULL') . ')';
 
 
@@ -258,6 +266,7 @@ XX
 						$kx[] = $this->identifiers->{$pair[0]};
 						$vx[] = $this->formatValue($v, $pair[1] ?? (is_array($v) ? 'ex!' : null));
 					}
+
 					return '(' . implode(', ', $kx) . ') VALUES (' . implode(', ', $vx) . ')';
 
 				case 'm': // (key, key, ...) VALUES (val, val, ...), (val, val, ...), ...
@@ -280,9 +289,11 @@ XX
 							$vx[$k2][] = $this->formatValue($v2, $pair[1] ?? (is_array($v2) ? 'ex!' : null));
 						}
 					}
+
 					foreach ($vx as $k => $v) {
 						$vx[$k] = '(' . implode(', ', $v) . ')';
 					}
+
 					return '(' . implode(', ', $kx) . ') VALUES ' . implode(', ', $vx);
 
 				case 'by': // key ASC, key DESC
@@ -290,12 +301,13 @@ XX
 						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;
 						}
 					}
+
 					return implode(', ', $vx);
 
 				case 'ex!':
@@ -309,10 +321,15 @@ XX
 					foreach ($value as $v) {
 						$vx[] = $this->formatValue($v, $modifier);
 					}
+
 					return implode(', ', $vx);
 			}
 		}
 
+		// object-to-scalar procession
+		if ($value instanceof \BackedEnum && is_scalar($value->value)) {
+			$value = $value->value;
+		}
 
 		// with modifier procession
 		if ($modifier) {
@@ -323,7 +340,13 @@ XX
 				} elseif ($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);
@@ -333,21 +356,29 @@ XX
 
 			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 ($value == '') {
+					if ($value === '' || $value === 0 || $value === null) {
-						$value = null;
+						return 'NULL';
 					}
 					// break omitted
 				case 'i':  // signed int
@@ -385,7 +416,10 @@ XX
 					} elseif (!$value instanceof \DateTimeInterface) {
 						$value = new DateTime($value);
 					}
-					return $modifier === 'd' ? $this->driver->escapeDate($value) : $this->driver->escapeDateTime($value);
+
+					return $modifier === 'd'
+						? $this->driver->escapeDate($value)
+						: $this->driver->escapeDateTime($value);
 
 				case 'by':
 				case 'n':  // composed identifier name
@@ -401,7 +435,8 @@ XX
 					$toSkip = strcspn($value, '`[\'":');
 					if (strlen($value) !== $toSkip) {
 						$value = substr($value, 0, $toSkip)
-							. preg_replace_callback(<<<'XX'
+							. preg_replace_callback(
+								<<<'XX'
 								/
 								(?=[`['":])
 								(?:
@@ -421,6 +456,7 @@ XX
 							throw new PcreException;
 						}
 					}
+
 					return $value;
 
 				case 'SQL': // preserve as real SQL (TODO: rename to %sql)
@@ -451,7 +487,6 @@ XX
 			}
 		}
 
-
 		// without modifier procession
 		if (is_string($value)) {
 			return $this->driver->escapeText($value);
@@ -533,6 +568,7 @@ XX
 					$this->comment = true;
 					return '/*';
 				}
+
 				return '';
 
 			} elseif ($mod === 'else') {
@@ -545,7 +581,6 @@ XX
 					$this->comment = true;
 					return '/*';
 				}
-
 			} elseif ($mod === 'end') {
 				$this->ifLevel--;
 				if ($this->ifLevelStart === $this->ifLevel + 1) {
@@ -554,6 +589,7 @@ XX
 					$this->comment = false;
 					return '*/';
 				}
+
 				return '';
 
 			} elseif ($mod === 'ex') { // array expansion
@@ -568,6 +604,7 @@ XX
 				} else {
 					$this->limit = Helpers::intVal($arg);
 				}
+
 				return '';
 
 			} elseif ($mod === 'ofs') { // apply offset
@@ -578,6 +615,7 @@ XX
 				} else {
 					$this->offset = Helpers::intVal($arg);
 				}
+
 				return '';
 
 			} else { // default processing
@@ -609,7 +647,9 @@ XX
 		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');
@@ -629,6 +669,7 @@ XX
 				$v = $this->driver->escapeIdentifier($v);
 			}
 		}
+
 		return implode('.', $parts);
 	}
 }

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

@@ -25,6 +25,7 @@ declare(strict_types=1);
  * @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)
@@ -44,7 +45,7 @@ class dibi
 
 	/** version */
 	public const
-		VERSION = '4.1.3';
+		VERSION = '4.2.6';
 
 	/** 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);
 	}
 
 
@@ -106,7 +107,7 @@ class dibi
 	 * Retrieve active connection.
 	 * @throws Dibi\Exception
 	 */
-	public static function getConnection(string $name = null): Dibi\Connection
+	public static function getConnection(?string $name = null): Dibi\Connection
 	{
 		if ($name === null) {
 			if (self::$connection === null) {
@@ -162,7 +163,7 @@ class dibi
 	/**
 	 * Strips microseconds part.
 	 */
-	public static function stripMicroseconds(\DateTimeInterface $dt): \DateTimeInterface
+	public static function stripMicroseconds(DateTimeInterface $dt): DateTimeInterface
 	{
 		$class = get_class($dt);
 		return new $class($dt->format('Y-m-d H:i:s'), $dt->getTimezone());

src/Dibi/exceptions.php

@@ -22,7 +22,7 @@ class Exception extends \Exception
 	/**
 	 * @param  int|string  $code
 	 */
-	public function __construct(string $message = '', $code = 0, string $sql = null, \Throwable $previous = null)
+	public function __construct(string $message = '', $code = 0, ?string $sql = null, ?\Throwable $previous = null)
 	{
 		parent::__construct($message, 0, $previous);
 		$this->code = $code;
@@ -93,7 +93,7 @@ class ProcedureException extends Exception
 	/**
 	 * Construct the exception.
 	 */
-	public function __construct(string $message = '', int $code = 0, string $severity = '', string $sql = null)
+	public function __construct(string $message = '', int $code = 0, string $severity = '', ?string $sql = null)
 	{
 		parent::__construct($message, $code, $sql);
 		$this->severity = $severity;

src/Dibi/interfaces.php

@@ -51,19 +51,19 @@ interface Driver
 	 * Begins a transaction (if supported).
 	 * @throws DriverException
 	 */
-	function begin(string $savepoint = null): void;
+	function begin(?string $savepoint = null): void;
 
 	/**
 	 * Commits statements in a transaction.
 	 * @throws DriverException
 	 */
-	function commit(string $savepoint = null): void;
+	function commit(?string $savepoint = null): void;
 
 	/**
 	 * Rollback changes in a transaction.
 	 * @throws DriverException
 	 */
-	function rollback(string $savepoint = null): void;
+	function rollback(?string $savepoint = null): void;
 
 	/**
 	 * Returns the connection resource.
@@ -224,20 +224,20 @@ interface IConnection
 	 * Retrieves the ID generated for an AUTO_INCREMENT column by the previous INSERT query.
 	 * @throws Exception
 	 */
-	function getInsertId(string $sequence = null): int;
+	function getInsertId(?string $sequence = null): int;
 
 	/**
 	 * Begins a transaction (if supported).
 	 */
-	function begin(string $savepoint = null): void;
+	function begin(?string $savepoint = null): void;
 
 	/**
 	 * Commits statements in a transaction.
 	 */
-	function commit(string $savepoint = null): void;
+	function commit(?string $savepoint = null): void;
 
 	/**
 	 * Rollback changes in a transaction.
 	 */
-	function rollback(string $savepoint = null): void;
+	function rollback(?string $savepoint = null): void;
 }

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.yml

@@ -1,7 +0,0 @@
-imports:
-    - { resource: '../temp/coding-standard/coding-standard-php71.yml' }
-
-parameters:
-    skip:
-        PhpCsFixer\Fixer\Operator\TernaryToNullCoalescingFixer:
-            - src/Dibi/HashMap.php  # issue #260

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.travis.ini

@@ -1,38 +0,0 @@
-[sqlite] ; default
-driver = sqlite
-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

@@ -63,6 +63,15 @@ test('', function () use ($config) {
 });
 
 
+test('', function () use ($config) {
+	$conn = new Connection($config);
+	Assert::true($conn->isConnected());
+
+	$conn->__destruct();
+	Assert::false($conn->isConnected());
+});
+
+
 test('', function () use ($config) {
 	Assert::exception(function () use ($config) {
 		new Connection($config + ['onConnect' => '']);

tests/dibi/Connection.substitutions.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

tests/dibi/Connection.transactions.phpt

@@ -30,21 +30,102 @@ Assert::exception(function () use ($conn) {
 */
 
 
-$conn->begin();
+test('begin() & rollback()', function () use ($conn) {
-Assert::same(3, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+	$conn->begin();
-$conn->query('INSERT INTO [products]', [
+	Assert::same(3, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
-	'title' => 'Test product',
+	$conn->query('INSERT INTO [products]', [
-]);
+		'title' => 'Test product',
-Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+	]);
-$conn->rollback();
+	Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
-Assert::same(3, (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());
+});
 
 
-$conn->begin();
+test('transaction() fail', function () use ($conn) {
-$conn->query('INSERT INTO [products]', [
+	Assert::exception(function () use ($conn) {
-	'title' => 'Test product',
+		$conn->transaction(function (Dibi\Connection $connection) {
-]);
+			$connection->query('INSERT INTO [products]', [
-$conn->commit();
+				'title' => 'Test product',
-Assert::same(4, (int) $conn->query('SELECT COUNT(*) FROM [products]')->fetchSingle());
+			]);
+			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

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Dibi\Row;

tests/dibi/DateTime.phpt

@@ -14,8 +14,6 @@ Assert::same('1978-01-23 11:40:00.000000', (string) new DateTime(254400000));
 Assert::same('1978-01-23 11:40:00.000000', (string) (new DateTime)->setTimestamp(254400000));
 Assert::same(254400000, (new DateTime(254400000))->getTimestamp());
 
-Assert::same('2050-08-13 11:40:00.000000', (string) new DateTime(2544000000));
-Assert::same('2050-08-13 11:40:00.000000', (string) (new DateTime)->setTimestamp(2544000000));
 Assert::same(is_int(2544000000) ? 2544000000 : '2544000000', (new DateTime(2544000000))->getTimestamp()); // 64 bit
 
 Assert::same('1978-05-05 00:00:00.000000', (string) new DateTime('1978-05-05'));

tests/dibi/Fluent.cloning.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Dibi\Fluent;

tests/dibi/Fluent.delete.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

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

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

tests/dibi/Fluent.insert.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

tests/dibi/Fluent.update.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

tests/dibi/Helpers.getSuggestion().phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Dibi\Helpers;

tests/dibi/Helpers.intVal().phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Dibi\Helpers;

tests/dibi/PdoDriver.providedConnection.phpt

@@ -13,6 +13,7 @@ function buildPdoDriver(?int $errorMode)
 	if ($errorMode !== null) {
 		$pdo->setAttribute(PDO::ATTR_ERRMODE, $errorMode);
 	}
+
 	new Dibi\Drivers\PdoDriver(['resource' => $pdo]);
 }
 
@@ -32,8 +33,3 @@ Assert::exception(function () {
 test('PDO error mode: explicitly set silent', function () {
 	buildPdoDriver(PDO::ERRMODE_SILENT);
 });
-
-
-test('PDO error mode: implicitly set silent', function () {
-	buildPdoDriver(null);
-});

tests/dibi/Result.meta.phpt

@@ -32,7 +32,7 @@ Assert::same(
 );
 
 
-if (!in_array($config['driver'], ['sqlite', 'pdo', 'sqlsrv'], true)) {
+if (!in_array($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'], ['sqlite', 'pdo', 'sqlsrv'], true)) {
 $columns = $info->getColumns();
 
 Assert::same('product_id', $columns[0]->getName());
-if (!in_array($config['driver'], ['sqlite', '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

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Dibi\Type;
@@ -24,6 +25,17 @@ class MockResult extends Dibi\Result
 }
 
 
+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);
@@ -147,7 +159,14 @@ 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']));

tests/dibi/Result.types.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

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/Strict.phpt

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 use Tester\Assert;

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
@@ -48,14 +56,14 @@ 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
@@ -76,24 +84,35 @@ WHERE
 		/* AND ...=1 */
 	/* 1 LIMIT 10 */",
 	]),
-
+	$conn->translate(
-	$conn->translate('
+		'
 SELECT *
 FROM [customers]
 WHERE
-	%if', true, '[name] LIKE %s', 'xxx', '
+	%if',
-		%if', false, 'AND [admin]=1 %end
+		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',
+		'SELECT * FROM foo',
-	'%if', false,
+		'%if',
-		'%lmt', 3,
+		false,
-		'%ofs', 5,
+		'%lmt',
-	'%end'
+		3,
-));
+		'%ofs',
+		5,
+		'%end'
+	)
+);

tests/dibi/Translator.enums.phpt

@@ -0,0 +1,41 @@
+<?php
+
+/**
+ * @phpVersion 8.1
+ * @dataProvider ../databases.ini
+ */
+
+declare(strict_types=1);
+
+use Tester\Assert;
+
+require __DIR__ . '/bootstrap.php';
+
+$conn = new Dibi\Connection($config);
+$translator = new Dibi\Translator($conn);
+
+
+enum EnumInt: int
+{
+	case One = 1;
+}
+
+enum EnumString: string
+{
+	case One = 'one';
+}
+
+enum PureEnum
+{
+	case One;
+}
+
+
+Assert::equal('1', $translator->formatValue(EnumInt::One, null));
+
+Assert::equal(match ($config['driver']) {
+	'sqlsrv' => "N'one'",
+	default => "'one'",
+}, $translator->formatValue(EnumString::One, null));
+
+Assert::equal('**Unexpected PureEnum**', $translator->formatValue(PureEnum::One, null));

tests/dibi/Translator.like.phpt

@@ -1,7 +1,7 @@
 <?php
 
 /**
- * @dataProvider ../databases.ini
+ * @dataProvider ../databases.ini  !=sqlsrv
  */
 
 declare(strict_types=1);

tests/dibi/Translator.phpt

@@ -261,7 +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])
 	);
@@ -279,7 +279,7 @@ 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'
 ",
@@ -344,7 +344,7 @@ 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
@@ -437,7 +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', '
@@ -671,7 +670,6 @@ Assert::same(
 		'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

@@ -1,4 +1,5 @@
 <?php
+
 declare(strict_types=1);
 
 // The Nette Tester command-line runner can be
@@ -18,11 +19,15 @@ date_default_timezone_set('Europe/Prague');
 // load connection
 try {
 	$config = Tester\Environment::loadData();
-} catch (Exception $e) {
+} catch (Throwable $e) {
 	$config = parse_ini_file(__DIR__ . '/../databases.ini', true);
 	$config = reset($config);
 }
 
+if (isset($config['port'])) {
+	$config['port'] = (int) $config['port'];
+}
+
 
 // lock
 define('TEMP_DIR', __DIR__ . '/../tmp');

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/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