loader: added missing classes

Released version 3.0.9
appveyor: PHP is downloaded using cURL
2025-08-30 17:29:53 +02:00 · 2018-08-22 15:41:19 +02:00 · 2018-03-09 12:56:49 +01:00 · 2018-03-08 13:53:10 +01:00 · 2018-02-15 11:54:37 +01:00 · 2017-09-21 14:05:20 +02:00
50 changed files with 736 additions and 301 deletions
--- a/.gitattributes
+++ b/.gitattributes
@@ -1,4 +1,6 @@
 .gitattributes export-ignore
 .gitignore export-ignore
+.github export-ignore
 .travis.yml export-ignore
+appveyor.yml export-ignore
 tests/ export-ignore
--- a/.github/issue_template.md
+++ b/.github/issue_template.md
@@ -0,0 +1,16 @@
+- bug report? yes/no
+- feature request? yes/no
+- version: ?.?.? <!-- exact release version, for bug reports -->
+
+### Description
+...
+
+### Steps To Reproduce
+... If possible a minimal demo of the problem ...
+
+<!--
+REMEMBER, AN ISSUE IS NOT THE PLACE TO ASK QUESTIONS. We will be happy to help you on Gitter https://gitter.im/nette/nette
+
+A good bug report shouldn't leave others needing to chase you up for more information. Please try to be as detailed as possible in your report.
+Feature requests are welcome. Explain your intentions. It's up to you to make a strong case to convince the project's developers of the merits of this feature.
+-->
--- a/.github/pull_request_template.md
+++ b/.github/pull_request_template.md
@@ -0,0 +1,11 @@
+- bug fix? yes/no   <!-- #issue numbers, if any -->
+- new feature? yes/no
+- BC break? yes/no
+
+<!--
+Describe your changes here to communicate to the maintainers why we should accept this pull request.
+
+Please add new tests to show the fix or feature works.
+
+Thanks for contributing!
+-->
--- a/.travis.yml
+++ b/.travis.yml
@@ -4,14 +4,10 @@ php:
    - 5.5
    - 5.6
    - 7.0
-    - hhvm
-
-matrix:
-    allow_failures:
-        - php: hhvm
+    - 7.1

 script:
-    - vendor/bin/tester tests -s -p php -c tests/php-unix.ini
+    - vendor/bin/tester tests -s -p php -c tests/php-unix.ini $COVERAGE
    - php temp/code-checker/src/code-checker.php --short-arrays

 after_failure:
@@ -22,6 +18,7 @@ before_script:
    # Install Nette Tester & Code Checker
    - travis_retry composer install --no-interaction
    - travis_retry composer create-project nette/code-checker temp/code-checker ~2.5 --no-interaction
+    - if [ $TRAVIS_PHP_VERSION == "7.0" ]; then COVERAGE="-p phpdbg --coverage ./coverage.xml --coverage-src ./src"; fi

    # Create databases.ini
    - cp ./tests/databases.travis.ini ./tests/databases.ini
@@ -29,6 +26,14 @@ before_script:
    # Create Postgre database
    - psql -c 'CREATE DATABASE dibi_test' -U postgres

+after_script:
+    # Report Code Coverage
+    - >
+      if [ "$COVERAGE" != "" ]; then
+      wget https://github.com/satooshi/php-coveralls/releases/download/v1.0.1/coveralls.phar
+      && php coveralls.phar --verbose --config tests/.coveralls.yml
+      || true; fi
+
 sudo: false

 cache:
--- a/appveyor.yml
+++ b/appveyor.yml
@@ -1,26 +1,27 @@
 build: off
 cache:
-    - c:\php -> appveyor.yml
+    - c:\php5 -> appveyor.yml
+    - c:\php7 -> appveyor.yml
    - '%LOCALAPPDATA%\Composer\files -> appveyor.yml'

 clone_folder: c:\projects\dibi

 services:
    - mssql2012sp1
-    - mssql2014
+#    - mssql2014
    - mysql

 init:
-    - SET PATH=c:\php;%PATH%
-    - SET PHP=1
+    - SET PATH=c:\php5;%PATH%
    - SET ANSICON=121x90 (121x90)

 install:
-    # Install PHP
-    - IF EXIST c:\php (SET PHP=0) ELSE (mkdir c:\php)
-    - IF %PHP%==1 cd c:\php
-    - IF %PHP%==1 appveyor DownloadFile http://windows.php.net/downloads/releases/archives/php-5.6.14-Win32-VC11-x86.zip
-    - IF %PHP%==1 7z x php-5.6.14-Win32-VC11-x86.zip >nul
+    # Install PHP 5
+    - IF EXIST c:\php5 (SET PHP=0) ELSE (SET PHP=1)
+    - IF %PHP%==1 mkdir c:\php5
+    - IF %PHP%==1 cd c:\php5
+    - IF %PHP%==1 curl https://windows.php.net/downloads/releases/archives/php-5.6.14-Win32-VC11-x86.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
@@ -28,9 +29,21 @@ install:
    - IF %PHP%==1 copy SQLSRV\php_sqlsrv_56_ts.dll ext\php_sqlsrv_ts.dll
    - IF %PHP%==1 copy SQLSRV\php_pdo_sqlsrv_56_ts.dll ext\php_pdo_sqlsrv_ts.dll
    - IF %PHP%==1 del /Q *.zip
-    - cd c:\projects\dibi
+
+    # Install PHP 7
+    - 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-7.0.3-Win32-VC14-x86.zip --output php.zip
+    - IF %PHP%==1 7z x php.zip >nul
+    - IF %PHP%==1 echo extension_dir=ext >> php.ini
+    - IF %PHP%==1 appveyor DownloadFile https://files.nette.org/misc/php-sqlsrv.zip
+    - IF %PHP%==1 7z x php-sqlsrv.zip >nul
+    - IF %PHP%==1 copy SQLSRV\php_sqlsrv_7_ts.dll ext\php_sqlsrv_ts.dll
+    - IF %PHP%==1 del /Q *.zip

    # Install Nette Tester
+    - cd c:\projects\dibi
    - appveyor DownloadFile https://getcomposer.org/composer.phar
    - php composer.phar install --prefer-dist --no-interaction --no-progress

@@ -38,7 +51,8 @@ install:
    - copy tests\databases.appveyor.ini tests\databases.ini

 test_script:
-    - vendor\bin\tester tests -s -p php -c tests\php-win.ini
+    - vendor\bin\tester tests -s -p c:\php5\php -c tests\php5-win.ini
+    - vendor\bin\tester tests -s -p c:\php7\php -c tests\php7-win.ini

 on_failure:
    # Print *.actual content
--- a/composer.json
+++ b/composer.json
@@ -15,10 +15,10 @@
 	},
 	"require-dev": {
 		"tracy/tracy": "~2.2",
-		"nette/tester": "~1.3"
+		"nette/tester": "~1.7"
 	},
 	"replace": {
-		"dg/dibi": "self.version"
+		"dg/dibi": "*"
 	},
 	"autoload": {
 		"classmap": ["src/"],
--- a/contributing.md
+++ b/contributing.md
@@ -1,27 +1,31 @@
 How to contribute & use the issue tracker
 =========================================

-The issue tracker is the preferred channel for bug reports, features requests
-and submitting pull requests, but please respect the following restrictions:
+Dibi welcomes your contributions. There are several ways to help out:

-* Please **do not** use the issue tracker for personal support requests (use
-  [dibi forum](https://forum.dibiphp.com) or [Stack Overflow](http://stackoverflow.com)).
+* Create an issue on GitHub, if you have found a bug
+* Write test cases for open bug issues
+* Write fixes for open bug/feature issues, preferably with test cases included
+* Contribute to the documentation

-* Please **do not** derail or troll issues. Keep the discussion on topic and
-  respect the opinions of others.
+Issues
+------

-* Use the GitHub **issue search** &mdash; check if the issue has already been
-   reported.
+Please **do not use the issue tracker to ask questions**. We will be happy to help you
+on [Dibi forum](https://forum.dibiphp.com).

-A good **bug report** shouldn't leave others needing to chase you up for more
+A good bug report shouldn't leave others needing to chase you up for more
 information. Please try to be as detailed as possible in your report.

 **Feature requests** are welcome. But take a moment to find out whether your idea
 fits with the scope and aims of the project. It's up to *you* to make a strong
 case to convince the project's developers of the merits of this feature.

-We welcome **pull requests**. If you'd like to contribute, please take a moment
-to [read the guidelines](https://nette.org/en/contributing) in order to make
-the contribution process easy and effective for everyone involved.
+Contributing
+------------

-Thanks!
+The best way to propose a feature is to discuss your ideas on [Dibi forum](https://forum.dibiphp.com) before implementing them.
+
+Please do not fix whitespace, format code, or make a purely cosmetic patch.
+
+Thanks! :heart:
--- a/examples/fetching-examples.php
+++ b/examples/fetching-examples.php
@@ -1,7 +1,3 @@
-<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
-
-<h1>Fetching Examples | dibi</h1>
-
 <?php

 if (@!include __DIR__ . '/../vendor/autoload.php') {
@@ -10,6 +6,12 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {

 Tracy\Debugger::enable();

+?>
+<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
+
+<h1>Fetching Examples | dibi</h1>
+
+<?php

 dibi::connect([
 	'driver' => 'sqlite3',
--- a/examples/result-set-data-types.php
+++ b/examples/result-set-data-types.php
@@ -1,7 +1,3 @@
-<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
-
-<h1>Result Set Data Types | dibi</h1>
-
 <?php

 use Dibi\Type;
@@ -14,6 +10,12 @@ Tracy\Debugger::enable();

 date_default_timezone_set('Europe/Prague');

+?>
+<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
+
+<h1>Result Set Data Types | dibi</h1>
+
+<?php

 dibi::connect([
 	'driver' => 'sqlite3',
--- a/examples/tracy-and-exceptions.php
+++ b/examples/tracy-and-exceptions.php
@@ -1,9 +1,3 @@
-<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
-
-<h1>Tracy & SQL Exceptions | dibi</h1>
-
-<p>Dibi can display and log exceptions via <a href="https://tracy.nette.org">Tracy</a>.</p>
-
 <?php

 if (@!include __DIR__ . '/../vendor/autoload.php') {
@@ -31,3 +25,9 @@ $panel->register($connection);

 // throws error because SQL is bad
 dibi::query('SELECT FROM customers WHERE customer_id < ?', 38);
+
+?><!DOCTYPE html><link rel="stylesheet" href="data/style.css">
+
+<h1>Tracy & SQL Exceptions | dibi</h1>
+
+<p>Dibi can display and log exceptions via <a href="https://tracy.nette.org">Tracy</a>.</p>
--- a/examples/tracy.php
+++ b/examples/tracy.php
@@ -1,11 +1,3 @@
-<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
-
-<style> html { background: url(data/arrow.png) no-repeat bottom right; height: 100%; } </style>
-
-<h1>Tracy | dibi</h1>
-
-<p>Dibi can log queries and dump variables to the <a href="https://tracy.nette.org">Tracy</a>.</p>
-
 <?php

 if (@!include __DIR__ . '/../vendor/autoload.php') {
@@ -36,3 +28,13 @@ dibi::query('SELECT 123');

 // result set will be dumped
 Tracy\Debugger::barDump(dibi::fetchAll('SELECT * FROM customers WHERE customer_id < ?', 38), '[customers]');
+
+
+?>
+<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
+
+<style> html { background: url(data/arrow.png) no-repeat bottom right; height: 100%; } </style>
+
+<h1>Tracy | dibi</h1>
+
+<p>Dibi can log queries and dump variables to the <a href="https://tracy.nette.org">Tracy</a>.</p>
--- a/examples/using-extension-methods.php
+++ b/examples/using-extension-methods.php
@@ -1,7 +1,3 @@
-<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
-
-<h1>Using Extension Methods | dibi</h1>
-
 <?php

 if (@!include __DIR__ . '/../vendor/autoload.php') {
@@ -10,6 +6,12 @@ if (@!include __DIR__ . '/../vendor/autoload.php') {

 Tracy\Debugger::enable();

+?>
+<!DOCTYPE html><link rel="stylesheet" href="data/style.css">
+
+<h1>Using Extension Methods | dibi</h1>
+
+<?php

 dibi::connect([
 	'driver' => 'sqlite3',
--- a/src/Dibi/Bridges/Tracy/Panel.php
+++ b/src/Dibi/Bridges/Tracy/Panel.php
@@ -63,7 +63,7 @@ class Panel implements Tracy\IBarPanel

 	/**
 	 * Returns blue-screen custom tab.
-	 * @return mixed
+	 * @return array|NULL
 	 */
 	public static function renderException($e)
 	{
@@ -78,7 +78,7 @@ class Panel implements Tracy\IBarPanel

 	/**
 	 * Returns HTML code for custom tab. (Tracy\IBarPanel)
-	 * @return mixed
+	 * @return string
 	 */
 	public function getTab()
 	{
@@ -88,35 +88,39 @@ class Panel implements Tracy\IBarPanel
 			$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">'
-			. $count . ' queries'
-			. ($totalTime ? sprintf(' / %0.1f ms', $totalTime * 1000) : '')
+			. $count . ' queries'
+			. ($totalTime ? ' / ' . number_format($totalTime * 1000, 1, '.', ' ') . ' ms' : '')
 			. '</span></span>';
 	}


 	/**
 	 * Returns HTML code for custom panel. (Tracy\IBarPanel)
-	 * @return mixed
+	 * @return string|NULL
 	 */
 	public function getPanel()
 	{
+		if (!$this->events) {
+			return NULL;
+		}
+
 		$totalTime = $s = NULL;
-		$h = 'htmlSpecialChars';
 		foreach ($this->events as $event) {
 			$totalTime += $event->time;
+			$connection = $event->connection;
 			$explain = NULL; // EXPLAIN is called here to work SELECT FOUND_ROWS()
 			if ($this->explain && $event->type === Event::SELECT) {
 				try {
-					$backup = [$event->connection->onEvent, \dibi::$numOfQueries, \dibi::$totalTime];
-					$event->connection->onEvent = NULL;
-					$cmd = is_string($this->explain) ? $this->explain : ($event->connection->getConfig('driver') === 'oracle' ? 'EXPLAIN PLAN FOR' : 'EXPLAIN');
-					$explain = Helpers::dump($event->connection->nativeQuery("$cmd $event->sql"), TRUE);
+					$backup = [$connection->onEvent, \dibi::$numOfQueries, \dibi::$totalTime];
+					$connection->onEvent = NULL;
+					$cmd = is_string($this->explain) ? $this->explain : ($connection->getConfig('driver') === 'oracle' ? 'EXPLAIN PLAN FOR' : 'EXPLAIN');
+					$explain = @Helpers::dump($connection->nativeQuery("$cmd $event->sql"), TRUE);
 				} catch (Dibi\Exception $e) {
 				}
-				list($event->connection->onEvent, \dibi::$numOfQueries, \dibi::$totalTime) = $backup;
+				list($connection->onEvent, \dibi::$numOfQueries, \dibi::$totalTime) = $backup;
 			}

-			$s .= '<tr><td>' . sprintf('%0.3f', $event->time * 1000);
+			$s .= '<tr><td>' . number_format($event->time * 1000, 3, '.', ' ');
 			if ($explain) {
 				static $counter;
 				$counter++;
@@ -131,17 +135,19 @@ class Panel implements Tracy\IBarPanel
 				$s .= Tracy\Helpers::editorLink($event->source[0], $event->source[1]);//->class('tracy-DibiProfiler-source');
 			}

-			$s .= "</td><td>{$event->count}</td><td>{$h($event->connection->getConfig('driver') . '/' . $event->connection->getConfig('name'))}</td></tr>";
+			$s .= "</td><td>{$event->count}</td></tr>";
 		}

-		return empty($this->events) ? '' :
-			'<style> #tracy-debug td.tracy-DibiProfiler-sql { background: white !important }
+		return '<style> #tracy-debug td.tracy-DibiProfiler-sql { background: white !important }
 			#tracy-debug .tracy-DibiProfiler-source { color: #999 !important }
 			#tracy-debug tracy-DibiProfiler tr table { margin: 8px 0; max-height: 150px; overflow:auto } </style>
-			<h1>Queries: ' . count($this->events) . ($totalTime === NULL ? '' : sprintf(', time: %0.3f ms', $totalTime * 1000)) . '</h1>
+			<h1>Queries: ' . count($this->events)
+				. ($totalTime === NULL ? '' : ', time: ' . number_format($totalTime * 1000, 1, '.', ' ') . ' ms') . ', '
+				. htmlSpecialChars($connection->getConfig('driver') . ($connection->getConfig('name') ? '/' . $connection->getConfig('name') : '')
+				. ($connection->getConfig('host') ? ' @ ' . $connection->getConfig('host') : '')) . '</h1>
 			<div class="tracy-inner tracy-DibiProfiler">
 			<table>
-				<tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Rows</th><th>Connection</th></tr>' . $s . '
+				<tr><th>Time&nbsp;ms</th><th>SQL Statement</th><th>Rows</th></tr>' . $s . '
 			</table>
 			</div>';
 	}
--- a/src/Dibi/Connection.php
+++ b/src/Dibi/Connection.php
@@ -97,7 +97,7 @@ class Connection
 		$this->config = $config;

 		// profiler
-		$profilerCfg = & $config['profiler'];
+		$profilerCfg = &$config['profiler'];
 		if (is_scalar($profilerCfg)) {
 			$profilerCfg = ['run' => (bool) $profilerCfg];
 		}
@@ -204,7 +204,7 @@ class Connection


 	/** @deprecated */
-	public static function alias(& $config, $key, $alias)
+	public static function alias(&$config, $key, $alias)
 	{
 		trigger_error(__METHOD__ . '() is deprecated, use Helpers::alias().', E_USER_DEPRECATED);
 		Helpers::alias($config, $key, $alias);
@@ -225,7 +225,7 @@ class Connection
 	/**
 	 * Generates (translates) and executes SQL query.
 	 * @param  array|mixed      one or more arguments
-	 * @return Result|int   result set object (if any)
+	 * @return Result|int   result set or number of affected rows
 	 * @throws Exception
 	 */
 	final public function query($args)
@@ -289,7 +289,7 @@ class Connection
 	 * @param  array
 	 * @return string
 	 */
-	private function translateArgs($args)
+	protected function translateArgs($args)
 	{
 		$this->connected || $this->connect();
 		if (!$this->translator) {
@@ -303,7 +303,7 @@ class Connection
 	/**
 	 * Executes the SQL query.
 	 * @param  string           SQL statement.
-	 * @return Result|int   result set object (if any)
+	 * @return Result|int   result set or number of affected rows
 	 * @throws Exception
 	 */
 	final public function nativeQuery($sql)
@@ -473,7 +473,7 @@ class Connection


 	/**
-	 * @param  string    column name
+	 * @param  mixed    column name
 	 * @return Fluent
 	 */
 	public function select($args)
@@ -555,7 +555,7 @@ class Connection
 	/**
 	 * Executes SQL query and fetch result - shortcut for query() & fetch().
 	 * @param  array|mixed    one or more arguments
-	 * @return Row
+	 * @return Row|FALSE
 	 * @throws Exception
 	 */
 	public function fetch($args)
@@ -581,7 +581,7 @@ class Connection
 	/**
 	 * Executes SQL query and fetch first column - shortcut for query() & fetchSingle().
 	 * @param  array|mixed    one or more arguments
-	 * @return string
+	 * @return mixed
 	 * @throws Exception
 	 */
 	public function fetchSingle($args)
@@ -594,7 +594,7 @@ class Connection
 	/**
 	 * Executes SQL query and fetch pairs - shortcut for query() & fetchPairs().
 	 * @param  array|mixed    one or more arguments
-	 * @return string
+	 * @return array
 	 * @throws Exception
 	 */
 	public function fetchPairs($args)
--- a/src/Dibi/DataSource.php
+++ b/src/Dibi/DataSource.php
@@ -40,10 +40,10 @@ class DataSource implements IDataSource
 	/** @var array */
 	private $conds = [];

-	/** @var int */
+	/** @var int|NULL */
 	private $offset;

-	/** @var int */
+	/** @var int|NULL */
 	private $limit;


@@ -118,7 +118,7 @@ class DataSource implements IDataSource

 	/**
 	 * Limits number of rows.
-	 * @param  int limit
+	 * @param  int|NULL limit
 	 * @param  int offset
 	 * @return self
 	 */
@@ -168,7 +168,7 @@ class DataSource implements IDataSource

 	/**
 	 * Generates, executes SQL query and fetches the single row.
-	 * @return Row|FALSE  array on success, FALSE if no next record
+	 * @return Row|FALSE
 	 */
 	public function fetch()
 	{
--- a/src/Dibi/DateTime.php
+++ b/src/Dibi/DateTime.php
@@ -15,6 +15,9 @@ class DateTime extends \DateTime
 {
 	use Strict;

+	/**
+	 * @param  string|int
+	 */
 	public function __construct($time = 'now', \DateTimeZone $timezone = NULL)
 	{
 		if (is_numeric($time)) {
@@ -55,4 +58,18 @@ class DateTime extends \DateTime
 		return $this->format('Y-m-d H:i:s');
 	}

+
+	public function __wakeup()
+	{
+		if (isset($this->fix, $this->fix[1])) {
+			$this->__construct($this->fix[0], new \DateTimeZone($this->fix[1]));
+			unset($this->fix);
+		} elseif (isset($this->fix)) {
+			$this->__construct($this->fix[0]);
+			unset($this->fix);
+		} else {
+			parent::__wakeup();
+		}
+	}
+
 }
--- a/src/Dibi/Drivers/FirebirdDriver.php
+++ b/src/Dibi/Drivers/FirebirdDriver.php
@@ -28,16 +28,16 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	const ERROR_EXCEPTION_THROWN = -836;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
 	private $autoFree = TRUE;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $transaction;

 	/** @var bool */
@@ -60,7 +60,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		Dibi\Helpers::alias($config, 'database', 'db');

@@ -78,9 +78,9 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 			];

 			if (empty($config['persistent'])) {
-				$this->connection = ibase_connect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
+				$this->connection = @ibase_connect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
 			} else {
-				$this->connection = ibase_pconnect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
+				$this->connection = @ibase_pconnect($config['database'], $config['username'], $config['password'], $config['charset'], $config['buffers']); // intentionally @
 			}

 			if (!is_resource($this->connection)) {
@@ -96,7 +96,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function disconnect()
 	{
-		ibase_close($this->connection);
+		@ibase_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -123,6 +123,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 		} elseif (is_resource($res)) {
 			return $this->createResultDriver($res);
 		}
+		return NULL;
 	}


@@ -215,7 +216,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the connection resource.
-	 * @return resource
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -260,24 +261,40 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "'" . str_replace("'", "''", $value) . "'";
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		return '"' . str_replace('"', '""', $value). '"';
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -287,6 +304,10 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -329,13 +350,16 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
-		if ($limit >= 0 && $offset > 0) {
-			// see http://scott.yang.id.au/2004/01/limit-in-select-statements-in-firebird/
-			$sql = 'SELECT FIRST ' . (int) $limit . ($offset > 0 ? ' SKIP ' . (int) $offset : '') . ' * FROM (' . $sql . ')';
+		if ($limit > 0 || $offset > 0) {
+			// http://www.firebirdsql.org/refdocs/langrefupd20-select.html
+			$sql = 'SELECT ' . ($limit > 0 ? 'FIRST ' . (int) $limit : '') . ($offset > 0 ? ' SKIP ' . (int) $offset : '') . ' * FROM (' . $sql . ')';
 		}
 	}

@@ -370,7 +394,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function fetch($assoc)
 	{
-		$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() == self::ERROR_EXCEPTION_THROWN) {
@@ -378,7 +402,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 				throw new Dibi\ProcedureException($match[3], $match[1], $match[2]);

 			} else {
-				throw new Dibi\DriverException($msg, ibase_errcode());
+				throw new Dibi\DriverException(ibase_errmsg(), ibase_errcode());
 			}
 		}

@@ -411,7 +435,7 @@ class FirebirdDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the result set resource.
-	 * @return resource
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/MsSqlDriver.php
+++ b/src/Dibi/Drivers/MsSqlDriver.php
@@ -26,10 +26,10 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 {
 	use Dibi\Strict;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -52,7 +52,7 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		if (isset($config['resource'])) {
 			$this->connection = $config['resource'];
@@ -78,7 +78,7 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	 */
 	public function disconnect()
 	{
-		mssql_close($this->connection);
+		@mssql_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -98,6 +98,7 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 		} elseif (is_resource($res)) {
 			return $this->createResultDriver($res);
 		}
+		return NULL;
 	}


@@ -164,7 +165,7 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -200,7 +201,7 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -209,12 +210,20 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "'" . str_replace("'", "''", $value) . "'";
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		// @see https://msdn.microsoft.com/en-us/library/ms176027.aspx
@@ -222,12 +231,20 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -237,6 +254,10 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -280,9 +301,12 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($offset) {
 			throw new Dibi\NotSupportedException('Offset is not supported by this database.');
@@ -375,7 +399,7 @@ class MsSqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/MySqlDriver.php
+++ b/src/Dibi/Drivers/MySqlDriver.php
@@ -36,10 +36,10 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	const ERROR_DUPLICATE_ENTRY = 1062;
 	const ERROR_DATA_TRUNCATED = 1265;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -65,7 +65,7 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		if (isset($config['resource'])) {
 			$this->connection = $config['resource'];
@@ -139,7 +139,7 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	 */
 	public function disconnect()
 	{
-		mysql_close($this->connection);
+		@mysql_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -243,7 +243,7 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -279,7 +279,7 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -291,6 +291,10 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		if (!is_resource($this->connection)) {
@@ -300,6 +304,10 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		// @see http://dev.mysql.com/doc/refman/5.0/en/identifiers.html
@@ -307,12 +315,20 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
 		return $value ? 1 : 0;
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -322,6 +338,10 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -365,9 +385,12 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
@@ -469,7 +492,7 @@ class MySqlDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/MySqliDriver.php
+++ b/src/Dibi/Drivers/MySqliDriver.php
@@ -37,10 +37,10 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 	const ERROR_DUPLICATE_ENTRY = 1062;
 	const ERROR_DATA_TRUNCATED = 1265;

-	/** @var mysqli  Connection resource */
+	/** @var \mysqli|NULL */
 	private $connection;

-	/** @var mysqli_result  Resultset resource */
+	/** @var \mysqli_result|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -66,7 +66,7 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		mysqli_report(MYSQLI_REPORT_OFF);
 		if (isset($config['resource'])) {
@@ -93,8 +93,8 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 				}
 			}

-			$foo = & $config['flags'];
-			$foo = & $config['database'];
+			$foo = &$config['flags'];
+			$foo = &$config['database'];

 			$this->connection = mysqli_init();
 			if (isset($config['options'])) {
@@ -138,7 +138,7 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 	 */
 	public function disconnect()
 	{
-		mysqli_close($this->connection);
+		@mysqli_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -158,6 +158,7 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 		} elseif (is_object($res)) {
 			return $this->createResultDriver($res);
 		}
+		return NULL;
 	}


@@ -258,7 +259,7 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the connection resource.
-	 * @return mysqli
+	 * @return \mysqli
 	 */
 	public function getResource()
 	{
@@ -278,7 +279,6 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Result set driver factory.
-	 * @param  mysqli_result
 	 * @return Dibi\ResultDriver
 	 */
 	public function createResultDriver(\mysqli_result $resource)
@@ -294,7 +294,7 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -303,24 +303,40 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "_binary'" . mysqli_real_escape_string($this->connection, $value) . "'";
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		return '`' . str_replace('`', '``', $value) . '`';
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -330,6 +346,10 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -373,9 +393,12 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
@@ -488,7 +511,7 @@ class MySqliDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the result set resource.
-	 * @return mysqli_result
+	 * @return \mysqli_result|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/OdbcDriver.php
+++ b/src/Dibi/Drivers/OdbcDriver.php
@@ -25,10 +25,10 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 {
 	use Dibi\Strict;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -57,7 +57,7 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		if (isset($config['resource'])) {
 			$this->connection = $config['resource'];
@@ -88,7 +88,7 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function disconnect()
 	{
-		odbc_close($this->connection);
+		@odbc_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -110,6 +110,7 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 			$this->affectedRows = odbc_num_rows($res);
 			return $this->createResultDriver($res);
 		}
+		return NULL;
 	}


@@ -189,7 +190,7 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -225,7 +226,7 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -234,24 +235,40 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "'" . str_replace("'", "''", $value) . "'";
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		return '[' . str_replace(['[', ']'], ['[[', ']]'], $value) . ']';
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -261,6 +278,10 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -304,9 +325,12 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($offset) {
 			throw new Dibi\NotSupportedException('Offset is not supported by this database.');
@@ -413,7 +437,7 @@ class OdbcDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/OracleDriver.php
+++ b/src/Dibi/Drivers/OracleDriver.php
@@ -29,10 +29,10 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 {
 	use Dibi\Strict;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -44,6 +44,9 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	/** @var string  Date and datetime format */
 	private $fmtDate, $fmtDateTime;

+	/** @var int|FALSE Number of affected rows */
+	private $affectedRows = FALSE;
+

 	/**
 	 * @throws Dibi\NotSupportedException
@@ -61,9 +64,9 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
-		$foo = & $config['charset'];
+		$foo = &$config['charset'];
 		$this->fmtDate = isset($config['formatDate']) ? $config['formatDate'] : 'U';
 		$this->fmtDateTime = isset($config['formatDateTime']) ? $config['formatDateTime'] : 'U';

@@ -92,7 +95,7 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function disconnect()
 	{
-		oci_close($this->connection);
+		@oci_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -104,6 +107,7 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function query($sql)
 	{
+		$this->affectedRows = FALSE;
 		$res = oci_parse($this->connection, $sql);
 		if ($res) {
 			@oci_execute($res, $this->autocommit ? OCI_COMMIT_ON_SUCCESS : OCI_DEFAULT);
@@ -112,12 +116,14 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 				throw self::createException($err['message'], $err['code'], $sql);

 			} elseif (is_resource($res)) {
+				$this->affectedRows = oci_num_rows($res);
 				return $this->createResultDriver($res);
 			}
 		} else {
 			$err = oci_error($this->connection);
 			throw new Dibi\DriverException($err['message'], $err['code'], $sql);
 		}
+		return NULL;
 	}


@@ -147,7 +153,7 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function getAffectedRows()
 	{
-		throw new Dibi\NotImplementedException;
+		return $this->affectedRows;
 	}


@@ -207,7 +213,7 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -243,7 +249,7 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -252,12 +258,20 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "'" . str_replace("'", "''", $value) . "'"; // TODO: not tested
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		// @see http://download.oracle.com/docs/cd/B10500_01/server.920/a96540/sql_elements9a.htm
@@ -265,12 +279,20 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -280,6 +302,10 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -324,9 +350,12 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
@@ -422,7 +451,7 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
@@ -461,7 +490,20 @@ class OracleDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function getColumns($table)
 	{
-		throw new Dibi\NotImplementedException;
+		$res = $this->query('SELECT * FROM "ALL_TAB_COLUMNS" WHERE "TABLE_NAME" = ' . $this->escapeText($table));
+		$columns = [];
+		while ($row = $res->fetch(TRUE)) {
+			$columns[] = [
+				'table' => $row['TABLE_NAME'],
+				'name' => $row['COLUMN_NAME'],
+				'nativetype' => $row['DATA_TYPE'],
+				'size' => isset($row['DATA_LENGTH']) ? $row['DATA_LENGTH'] : NULL,
+				'nullable' => $row['NULLABLE'] === 'Y',
+				'default' => $row['DATA_DEFAULT'],
+				'vendor' => $row,
+			];
+		}
+		return $columns;
 	}


--- a/src/Dibi/Drivers/PdoDriver.php
+++ b/src/Dibi/Drivers/PdoDriver.php
@@ -30,7 +30,7 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	/** @var PDO  Connection resource */
 	private $connection;

-	/** @var \PDOStatement  Resultset resource */
+	/** @var \PDOStatement|NULL  Resultset resource */
 	private $resultSet;

 	/** @var int|FALSE  Affected rows */
@@ -40,7 +40,7 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	private $driverName;

 	/** @var string */
-	private $serverVersion;
+	private $serverVersion = '';


 	/**
@@ -59,10 +59,10 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
-		$foo = & $config['dsn'];
-		$foo = & $config['options'];
+		$foo = &$config['dsn'];
+		$foo = &$config['options'];
 		Dibi\Helpers::alias($config, 'resource', 'pdo');

 		if ($config['resource'] instanceof PDO) {
@@ -112,7 +112,7 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 		if (isset($list[$cmd])) {
 			$this->affectedRows = $this->connection->exec($sql);
 			if ($this->affectedRows !== FALSE) {
-				return;
+				return NULL;
 			}
 		} else {
 			$res = $this->connection->query($sql);
@@ -254,7 +254,7 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -267,6 +267,10 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		if ($this->driverName === 'odbc') {
@@ -277,6 +281,10 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		switch ($this->driverName) {
@@ -304,16 +312,24 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
 		if ($this->driverName === 'pgsql') {
 			return $value ? 'TRUE' : 'FALSE';
 		} else {
-			return $value ? 1 : 0;
+			return $value ? '1' : '0';
 		}
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -323,6 +339,10 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -394,9 +414,12 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
@@ -548,7 +571,7 @@ class PdoDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the result set resource.
-	 * @return \PDOStatement
+	 * @return \PDOStatement|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/PostgreDriver.php
+++ b/src/Dibi/Drivers/PostgreDriver.php
@@ -26,10 +26,10 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 {
 	use Dibi\Strict;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -55,7 +55,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		$error = NULL;
 		if (isset($config['resource'])) {
@@ -78,7 +78,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 				}
 			}

-			set_error_handler(function($severity, $message) use (& $error) {
+			set_error_handler(function($severity, $message) use (&$error) {
 				$error = $message;
 			});
 			if (empty($config['persistent'])) {
@@ -100,7 +100,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 		}

 		if (isset($config['schema'])) {
-			$this->query('SET search_path TO "' . $config['schema'] . '"');
+			$this->query('SET search_path TO "' . implode('", "', (array) $config['schema']) . '"');
 		}
 	}

@@ -111,7 +111,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	 */
 	public function disconnect()
 	{
-		pg_close($this->connection);
+		@pg_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -145,6 +145,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 				return $this->createResultDriver($res);
 			}
 		}
+		return NULL;
 	}


@@ -256,7 +257,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -292,7 +293,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -304,6 +305,10 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		if (!is_resource($this->connection)) {
@@ -313,6 +318,10 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		// @see http://www.postgresql.org/docs/8.2/static/sql-syntax-lexical.html#SQL-SYNTAX-IDENTIFIERS
@@ -320,12 +329,20 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
 		return $value ? 'TRUE' : 'FALSE';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -335,6 +352,10 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -380,9 +401,12 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
@@ -475,7 +499,7 @@ class PostgreDriver implements Dibi\Driver, Dibi\ResultDriver, Dibi\Reflector

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/Sqlite3Driver.php
+++ b/src/Dibi/Drivers/Sqlite3Driver.php
@@ -27,10 +27,10 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver
 {
 	use Dibi\Strict;

-	/** @var SQLite3  Connection resource */
+	/** @var SQLite3|NULL */
 	private $connection;

-	/** @var \SQLite3Result  Resultset resource */
+	/** @var \SQLite3Result|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -59,7 +59,7 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		Dibi\Helpers::alias($config, 'database', 'file');
 		$this->fmtDate = isset($config['formatDate']) ? $config['formatDate'] : 'U';
@@ -118,6 +118,7 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver
 		} elseif ($res instanceof \SQLite3Result) {
 			return $this->createResultDriver($res);
 		}
+		return NULL;
 	}


@@ -209,7 +210,7 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return SQLite3
 	 */
 	public function getResource()
 	{
@@ -245,7 +246,7 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -254,24 +255,40 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "X'" . bin2hex((string) $value) . "'";
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		return '[' . strtr($value, '[]', '  ') . ']';
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -281,6 +298,10 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -324,9 +345,12 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');
@@ -431,7 +455,7 @@ class Sqlite3Driver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return \SQLite3Result|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Drivers/SqlsrvDriver.php
+++ b/src/Dibi/Drivers/SqlsrvDriver.php
@@ -29,10 +29,10 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 {
 	use Dibi\Strict;

-	/** @var resource  Connection resource */
+	/** @var resource|NULL */
 	private $connection;

-	/** @var resource  Resultset resource */
+	/** @var resource|NULL */
 	private $resultSet;

 	/** @var bool */
@@ -42,7 +42,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	private $affectedRows = FALSE;

 	/** @var string */
-	private $version;
+	private $version = '';


 	/**
@@ -61,7 +61,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	 * @return void
 	 * @throws Dibi\Exception
 	 */
-	public function connect(array & $config)
+	public function connect(array &$config)
 	{
 		Helpers::alias($config, 'options|UID', 'username');
 		Helpers::alias($config, 'options|PWD', 'password');
@@ -72,7 +72,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 			$this->connection = $config['resource'];

 		} else {
-			$options = & $config['options'];
+			$options = $config['options'];

 			// Default values
 			if (!isset($options['CharacterSet'])) {
@@ -99,7 +99,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	 */
 	public function disconnect()
 	{
-		sqlsrv_close($this->connection);
+		@sqlsrv_close($this->connection); // @ - connection can be already disconnected
 	}


@@ -122,6 +122,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 			$this->affectedRows = sqlsrv_rows_affected($res);
 			return $this->createResultDriver($res);
 		}
+		return NULL;
 	}


@@ -141,7 +142,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	 */
 	public function getInsertId($sequence)
 	{
-		$res = sqlsrv_query($this->connection, 'SELECT @@IDENTITY');
+		$res = sqlsrv_query($this->connection, 'SELECT SCOPE_IDENTITY()');
 		if (is_resource($res)) {
 			$row = sqlsrv_fetch_array($res, SQLSRV_FETCH_NUMERIC);
 			return $row[0];
@@ -188,7 +189,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the connection resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResource()
 	{
@@ -224,7 +225,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	public function escapeText($value)
@@ -233,12 +234,20 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeBinary($value)
 	{
 		return "'" . str_replace("'", "''", $value) . "'";
 	}


+	/**
+	 * @param  string
+	 * @return string
+	 */
 	public function escapeIdentifier($value)
 	{
 		// @see https://msdn.microsoft.com/en-us/library/ms176027.aspx
@@ -246,12 +255,20 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	public function escapeBool($value)
 	{
-		return $value ? 1 : 0;
+		return $value ? '1' : '0';
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDate($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -261,6 +278,10 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver
 	}


+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	public function escapeDateTime($value)
 	{
 		if (!$value instanceof \DateTime && !$value instanceof \DateTimeInterface) {
@@ -304,14 +325,17 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	public function applyLimit(& $sql, $limit, $offset)
+	public function applyLimit(&$sql, $limit, $offset)
 	{
 		if ($limit < 0 || $offset < 0) {
 			throw new Dibi\NotSupportedException('Negative offset or limit.');

-		} elseif (version_compare($this->version, 11, '<')) { // 11 == SQL Server 2012
+		} elseif (version_compare($this->version, '11', '<')) { // 11 == SQL Server 2012
 			if ($offset) {
 				throw new Dibi\NotSupportedException('Offset is not supported by this database.');

@@ -405,7 +429,7 @@ class SqlsrvDriver implements Dibi\Driver, Dibi\ResultDriver

 	/**
 	 * Returns the result set resource.
-	 * @return mixed
+	 * @return resource|NULL
 	 */
 	public function getResultResource()
 	{
--- a/src/Dibi/Fluent.php
+++ b/src/Dibi/Fluent.php
@@ -25,6 +25,7 @@ namespace Dibi;
 * @method Fluent innerJoin(...$table)
 * @method Fluent rightJoin(...$table)
 * @method Fluent outerJoin(...$table)
+ * @method Fluent as(...$field)
 * @method Fluent on(...$cond)
 * @method Fluent using(...$cond)
 */
@@ -129,19 +130,19 @@ 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->clauses[$clause];
 			$this->cursor = [];
 			$this->command = $clause;
 		}

 		// auto-switch to a clause
 		if (isset(self::$clauseSwitches[$clause])) {
-			$this->cursor = & $this->clauses[self::$clauseSwitches[$clause]];
+			$this->cursor = &$this->clauses[self::$clauseSwitches[$clause]];
 		}

 		if (array_key_exists($clause, $this->clauses)) {
 			// append to clause
-			$this->cursor = & $this->clauses[$clause];
+			$this->cursor = &$this->clauses[$clause];

 			// TODO: really delete?
 			if ($args === [self::REMOVE]) {
@@ -180,7 +181,7 @@ class Fluent implements IDataSource
 				return $this;

 			} elseif (is_string($arg) && preg_match('#^[a-z:_][a-z0-9_.:]*\z#i', $arg)) { // identifier
-				$args = ['%n', $arg];
+				$args = [$clause === 'AS' ? '%N' : '%n', $arg];

 			} elseif (is_array($arg) || ($arg instanceof \Traversable && !$arg instanceof self)) { // any array
 				if (isset(self::$modifiers[$clause])) {
@@ -210,7 +211,7 @@ class Fluent implements IDataSource
 	 */
 	public function clause($clause)
 	{
-		$this->cursor = & $this->clauses[self::$normalizer->$clause];
+		$this->cursor = &$this->clauses[self::$normalizer->$clause];
 		if ($this->cursor === NULL) {
 			$this->cursor = [];
 		}
@@ -299,7 +300,7 @@ class Fluent implements IDataSource
 	/**
 	 * Generates and executes SQL query.
 	 * @param  mixed what to return?
-	 * @return Result|int  result set object (if any)
+	 * @return Result|int  result set or number of affected rows
 	 * @throws Exception
 	 */
 	public function execute($return = NULL)
@@ -318,7 +319,7 @@ class Fluent implements IDataSource

 	/**
 	 * Generates, executes SQL query and fetches the single row.
-	 * @return Row|FALSE  array on success, FALSE if no next record
+	 * @return Row|FALSE
 	 */
 	public function fetch()
 	{
@@ -511,10 +512,10 @@ class Fluent implements IDataSource
 	{
 		// remove references
 		foreach ($this->clauses as $clause => $val) {
-			$this->clauses[$clause] = & $val;
+			$this->clauses[$clause] = &$val;
 			unset($val);
 		}
-		$this->cursor = & $foo;
+		$this->cursor = &$foo;
 	}

 }
--- a/src/Dibi/Helpers.php
+++ b/src/Dibi/Helpers.php
@@ -50,14 +50,14 @@ class Helpers
 				if ($i === 0) {
 					echo "\n<table class=\"dump\">\n<thead>\n\t<tr>\n\t\t<th>#row</th>\n";
 					foreach ($row as $col => $foo) {
-						echo "\t\t<th>" . htmlSpecialChars($col) . "</th>\n";
+						echo "\t\t<th>" . htmlSpecialChars((string) $col) . "</th>\n";
 					}
 					echo "\t</tr>\n</thead>\n<tbody>\n";
 				}

 				echo "\t<tr>\n\t\t<th>", $i, "</th>\n";
 				foreach ($row as $col) {
-					echo "\t\t<td>", htmlSpecialChars($col), "</td>\n";
+					echo "\t\t<td>", htmlSpecialChars((string) $col), "</td>\n";
 				}
 				echo "\t</tr>\n";
 			}
@@ -220,11 +220,11 @@ class Helpers
 	 * @param  string alias key
 	 * @return void
 	 */
-	public static function alias(& $config, $key, $alias)
+	public static function alias(&$config, $key, $alias)
 	{
-		$foo = & $config;
+		$foo = &$config;
 		foreach (explode('|', $key) as $key) {
-			$foo = & $foo[$key];
+			$foo = &$foo[$key];
 		}

 		if (!isset($foo) && isset($config[$alias])) {
--- a/src/Dibi/Reflection/Column.php
+++ b/src/Dibi/Reflection/Column.php
@@ -19,10 +19,10 @@ use Dibi\Type;
 * @property-read Table $table
 * @property-read string $type
 * @property-read mixed $nativeType
- * @property-read int $size
- * @property-read bool $unsigned
- * @property-read bool $nullable
- * @property-read bool $autoIncrement
+ * @property-read int|NULL $size
+ * @property-read bool|NULL $unsigned
+ * @property-read bool|NULL $nullable
+ * @property-read bool|NULL $autoIncrement
 * @property-read mixed $default
 */
 class Column
@@ -83,7 +83,7 @@ class Column


 	/**
-	 * @return string
+	 * @return string|NULL
 	 */
 	public function getTableName()
 	{
@@ -101,7 +101,7 @@ class Column


 	/**
-	 * @return mixed
+	 * @return string
 	 */
 	public function getNativeType()
 	{
@@ -110,7 +110,7 @@ class Column


 	/**
-	 * @return int
+	 * @return int|NULL
 	 */
 	public function getSize()
 	{
@@ -119,7 +119,7 @@ class Column


 	/**
-	 * @return bool
+	 * @return bool|NULL
 	 */
 	public function isUnsigned()
 	{
@@ -128,7 +128,7 @@ class Column


 	/**
-	 * @return bool
+	 * @return bool|NULL
 	 */
 	public function isNullable()
 	{
@@ -137,7 +137,7 @@ class Column


 	/**
-	 * @return bool
+	 * @return bool|NULL
 	 */
 	public function isAutoIncrement()
 	{
--- a/src/Dibi/Result.php
+++ b/src/Dibi/Result.php
@@ -184,7 +184,7 @@ class Result implements IDataSource
 	/**
 	 * Fetches the row at current position, process optional type conversion.
 	 * and moves the internal cursor to the next position
-	 * @return Row|FALSE array on success, FALSE if no next record
+	 * @return Row|FALSE
 	 */
 	final public function fetch()
 	{
@@ -271,7 +271,7 @@ class Result implements IDataSource
 		}

 		$data = NULL;
-		$assoc = preg_split('#(\[\]|->|=|\|)#', $assoc, NULL, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);
+		$assoc = preg_split('#(\[\]|->|=|\|)#', $assoc, -1, PREG_SPLIT_DELIM_CAPTURE | PREG_SPLIT_NO_EMPTY);

 		// check columns
 		foreach ($assoc as $as) {
@@ -291,12 +291,12 @@ class Result implements IDataSource

 		// make associative tree
 		do {
-			$x = & $data;
+			$x = &$data;

 			// iterative deepening
 			foreach ($assoc as $i => $as) {
 				if ($as === '[]') { // indexed-array node
-					$x = & $x[];
+					$x = &$x[];

 				} elseif ($as === '=') { // "value" node
 					$x = $row->{$assoc[$i + 1]};
@@ -305,14 +305,14 @@ class Result implements IDataSource
 				} elseif ($as === '->') { // "object" node
 					if ($x === NULL) {
 						$x = clone $row;
-						$x = & $x->{$assoc[$i + 1]};
+						$x = &$x->{$assoc[$i + 1]};
 						$x = NULL; // prepare child node
 					} else {
-						$x = & $x->{$assoc[$i + 1]};
+						$x = &$x->{$assoc[$i + 1]};
 					}

 				} elseif ($as !== '|') { // associative-array node
-					$x = & $x[$row->$as];
+					$x = &$x[$row->$as];
 				}
 			}

@@ -356,32 +356,32 @@ class Result implements IDataSource
 		}

 		do {
-			$x = & $data;
+			$x = &$data;

 			foreach ($assoc as $i => $as) {
 				if ($as === '#') { // indexed-array node
-					$x = & $x[];
+					$x = &$x[];

 				} elseif ($as === '=') { // "record" node
 					if ($x === NULL) {
 						$x = $row->toArray();
-						$x = & $x[ $assoc[$i + 1] ];
+						$x = &$x[ $assoc[$i + 1] ];
 						$x = NULL; // prepare child node
 					} else {
-						$x = & $x[ $assoc[$i + 1] ];
+						$x = &$x[ $assoc[$i + 1] ];
 					}

 				} elseif ($as === '@') { // "object" node
 					if ($x === NULL) {
 						$x = clone $row;
-						$x = & $x->{$assoc[$i + 1]};
+						$x = &$x->{$assoc[$i + 1]};
 						$x = NULL; // prepare child node
 					} else {
-						$x = & $x->{$assoc[$i + 1]};
+						$x = &$x->{$assoc[$i + 1]};
 					}

 				} else { // associative-array node
-					$x = & $x[$row->$as];
+					$x = &$x[$row->$as];
 				}
 			}

@@ -483,7 +483,7 @@ class Result implements IDataSource
 	 * @param  array
 	 * @return void
 	 */
-	private function normalize(array & $row)
+	private function normalize(array &$row)
 	{
 		foreach ($this->types as $key => $type) {
 			if (!isset($row[$key])) { // NULL
@@ -499,7 +499,7 @@ class Result implements IDataSource
 					: $tmp;

 			} elseif ($type === Type::FLOAT) {
-				$value = ltrim($value, '0');
+				$value = ltrim((string) $value, '0');
 				$p = strpos($value, '.');
 				if ($p !== FALSE) {
 					$value = rtrim(rtrim($value, '0'), '.');
@@ -515,7 +515,7 @@ class Result implements IDataSource
 				$row[$key] = ((bool) $value) && $value !== 'f' && $value !== 'F';

 			} elseif ($type === Type::DATETIME || $type === Type::DATE || $type === Type::TIME) {
-				if ((int) $value !== 0 || substr((string) $value, 0, 3) === '00:') { // '', NULL, FALSE, '0000-00-00', ...
+				if ($value && substr((string) $value, 0, 3) !== '000') { // '', NULL, FALSE, '0000-00-00', ...
 					$value = new DateTime($value);
 					$row[$key] = empty($this->formats[$type]) ? $value : $value->format($this->formats[$type]);
 				} else {
@@ -558,9 +558,9 @@ class Result implements IDataSource


 	/**
-	 * Sets data format.
-	 * @param  string  type (use constant Type::*)
-	 * @param  string  format
+	 * Sets date format.
+	 * @param  string
+	 * @param  string|NULL  format
 	 * @return self
 	 */
 	final public function setFormat($type, $format)
@@ -572,7 +572,7 @@ class Result implements IDataSource

 	/**
 	 * Returns data format.
-	 * @return string
+	 * @return string|NULL
 	 */
 	final public function getFormat($type)
 	{
--- a/src/Dibi/ResultIterator.php
+++ b/src/Dibi/ResultIterator.php
@@ -27,7 +27,7 @@ class ResultIterator implements \Iterator, \Countable
 	/** @var Result */
 	private $result;

-	/** @var int */
+	/** @var mixed */
 	private $row;

 	/** @var int */
--- a/src/Dibi/Row.php
+++ b/src/Dibi/Row.php
@@ -38,7 +38,7 @@ class Row implements \ArrayAccess, \IteratorAggregate, \Countable
 	{
 		$time = $this[$key];
 		if (!$time instanceof DateTime) {
-			if ((int) $time === 0 && substr((string) $time, 0, 3) !== '00:') { // '', NULL, FALSE, '0000-00-00', ...
+			if (!$time || substr((string) $time, 0, 3) === '000') { // '', NULL, FALSE, '0000-00-00', ...
 				return NULL;
 			}
 			$time = new DateTime($time);
--- a/src/Dibi/Strict.php
+++ b/src/Dibi/Strict.php
@@ -105,7 +105,7 @@ trait Strict

 	/**
 	 * @param  string  method name
-	 * @param  callabke
+	 * @param  callable
 	 * @return mixed
 	 */
 	public static function extensionMethod($name, $callback = NULL)
@@ -131,7 +131,7 @@ trait Strict

 		$list = & self::$extMethods[strtolower($name)];
 		if ($callback === NULL) { // getter
-			$cache = & $list[''][$class];
+			$cache = &$list[''][$class];
 			if (isset($cache)) {
 				return $cache;
 			}
--- a/src/Dibi/Translator.php
+++ b/src/Dibi/Translator.php
@@ -73,8 +73,8 @@ final class Translator

 		$commandIns = NULL;
 		$lastArr = NULL;
-		$cursor = & $this->cursor;
-		$comment = & $this->comment;
+		$cursor = &$this->cursor;
+		$comment = &$this->comment;

 		// iterate
 		$sql = [];
@@ -225,7 +225,7 @@ final class Translator
 				case 'n':  // key, key, ... identifier names
 					foreach ($value as $k => $v) {
 						if (is_string($k)) {
-							$vx[] = $this->identifiers->$k . (empty($v) ? '' : ' AS ' . $this->identifiers->$v);
+							$vx[] = $this->identifiers->$k . (empty($v) ? '' : ' AS ' . $this->driver->escapeIdentifier($v));
 						} else {
 							$pair = explode('%', $v, 2); // split into identifier & modifier
 							$vx[] = $this->identifiers->{$pair[0]};
@@ -246,7 +246,7 @@ final class Translator
 				case 'in':// replaces scalar %in modifier!
 				case 'l': // (val, val, ...)
 					foreach ($value as $k => $v) {
-						$pair = explode('%', $k, 2); // split into identifier & modifier
+						$pair = explode('%', (string) $k, 2); // split into identifier & modifier
 						$vx[] = $this->formatValue($v, isset($pair[1]) ? $pair[1] : (is_array($v) ? 'ex' : FALSE));
 					}
 					return '(' . (($vx || $modifier === 'l') ? implode(', ', $vx) : 'NULL') . ')';
@@ -316,7 +316,7 @@ final class Translator
 			if ($value !== NULL && !is_scalar($value)) {  // array is already processed
 				if ($value instanceof Literal && ($modifier === 'sql' || $modifier === 'SQL')) {
 					$modifier = 'SQL';
-				} elseif (($value instanceof \DateTime || $value instanceof \DateTimeInterface) && ($modifier === 'd' || $modifier === 't')) {
+				} elseif (($value instanceof \DateTime || $value instanceof \DateTimeInterface) && ($modifier === 'd' || $modifier === 't' || $modifier === 'dt')) {
 					// continue
 				} else {
 					$type = is_object($value) ? get_class($value) : gettype($value);
@@ -326,7 +326,7 @@ final class Translator

 			switch ($modifier) {
 				case 's':  // string
-					return $value === NULL ? 'NULL' : $this->driver->escapeText($value);
+					return $value === NULL ? 'NULL' : $this->driver->escapeText((string) $value);

 				case 'bin':// binary
 					return $value === NULL ? 'NULL' : $this->driver->escapeBinary($value);
@@ -336,7 +336,7 @@ final class Translator

 				case 'sN': // string or NULL
 				case 'sn':
-					return $value == '' ? 'NULL' : $this->driver->escapeText($value); // notice two equal signs
+					return $value == '' ? 'NULL' : $this->driver->escapeText((string) $value); // notice two equal signs

 				case 'in': // deprecated
 					trigger_error('Modifier %in is deprecated, use %iN.', E_USER_DEPRECATED);
@@ -380,9 +380,12 @@ final class Translator
 					}

 				case 'by':
-				case 'n':  // identifier name
+				case 'n':  // composed identifier name
 					return $this->identifiers->$value;

+				case 'N':  // identifier name
+					return $this->driver->escapeIdentifier($value);
+
 				case 'ex':
 				case 'sql': // preserve as dibi-SQL  (TODO: leave only %ex)
 					$value = (string) $value;
@@ -477,7 +480,7 @@ final class Translator


 		if (!empty($matches[11])) { // placeholder
-			$cursor = & $this->cursor;
+			$cursor = &$this->cursor;

 			if ($cursor >= count($this->args)) {
 				return $this->errors[] = '**Extra placeholder**';
@@ -489,7 +492,7 @@ final class Translator

 		if (!empty($matches[10])) { // modifier
 			$mod = $matches[10];
-			$cursor = & $this->cursor;
+			$cursor = &$this->cursor;

 			if ($cursor >= count($this->args) && $mod !== 'else' && $mod !== 'end') {
 				return $this->errors[] = "**Extra modifier %$mod**";
@@ -597,7 +600,7 @@ final class Translator
 	{
 		$value = $this->connection->substitute($value);
 		$parts = explode('.', $value);
-		foreach ($parts as & $v) {
+		foreach ($parts as &$v) {
 			if ($v !== '*') {
 				$v = $this->driver->escapeIdentifier($v);
 			}
--- a/src/Dibi/dibi.php
+++ b/src/Dibi/dibi.php
@@ -22,8 +22,8 @@ class dibi

 	/** version */
 	const
-		VERSION = '3.0.3',
-		REVISION = 'released on 2016-02-21';
+		VERSION = '3.0.9',
+		REVISION = 'released on 2018-03-09';

 	/** sorting order */
 	const
@@ -90,7 +90,7 @@ class dibi
 	 * @return Dibi\Connection
 	 * @throws Dibi\Exception
 	 */
-	public static function connect($config = [], $name = 0)
+	public static function connect($config = [], $name = '0')
 	{
 		return self::$connection = self::$registry[$name] = new Dibi\Connection($config, $name);
 	}
@@ -167,7 +167,7 @@ class dibi
 	/**
 	 * Generates and executes SQL query - Monostate for Dibi\Connection::query().
 	 * @param  array|mixed      one or more arguments
-	 * @return Dibi\Result|int   result set object (if any)
+	 * @return Dibi\Result|int   result set or number of affected rows
 	 * @throws Dibi\Exception
 	 */
 	public static function query($args)
@@ -180,7 +180,7 @@ class dibi
 	/**
 	 * Executes the SQL query - Monostate for Dibi\Connection::nativeQuery().
 	 * @param  string           SQL statement.
-	 * @return Dibi\Result|int   result set object (if any)
+	 * @return Dibi\Result|int   result set or number of affected rows
 	 */
 	public static function nativeQuery($sql)
 	{
@@ -241,7 +241,7 @@ class dibi
 	/**
 	 * Executes SQL query and fetch first column - Monostate for Dibi\Connection::query() & fetchSingle().
 	 * @param  array|mixed    one or more arguments
-	 * @return string
+	 * @return mixed
 	 * @throws Dibi\Exception
 	 */
 	public static function fetchSingle($args)
@@ -254,7 +254,7 @@ class dibi
 	/**
 	 * Executes SQL query and fetch pairs - Monostate for Dibi\Connection::query() & fetchPairs().
 	 * @param  array|mixed    one or more arguments
-	 * @return string
+	 * @return array
 	 * @throws Dibi\Exception
 	 */
 	public static function fetchPairs($args)
@@ -382,7 +382,7 @@ class dibi


 	/**
-	 * @param  string    column name
+	 * @param  mixed    column name
 	 * @return Dibi\Fluent
 	 */
 	public static function select($args)
--- a/src/Dibi/exceptions.php
+++ b/src/Dibi/exceptions.php
@@ -13,8 +13,6 @@ namespace Dibi;
 */
 class Exception extends \Exception
 {
-	use Strict;
-
 	/** @var string|NULL */
 	private $sql;

@@ -25,7 +23,7 @@ class Exception extends \Exception
 	 * @param  mixed
 	 * @param  string  SQL command
 	 */
-	public function __construct($message = NULL, $code = 0, $sql = NULL)
+	public function __construct($message = '', $code = 0, $sql = NULL)
 	{
 		parent::__construct($message);
 		$this->code = $code;
@@ -66,7 +64,6 @@ class DriverException extends Exception
 */
 class PcreException extends Exception
 {
-	use Strict;

 	public function __construct($message = '%msg.')
 	{
--- a/src/Dibi/interfaces.php
+++ b/src/Dibi/interfaces.php
@@ -30,7 +30,7 @@ interface Driver
 	 * @return void
 	 * @throws Exception
 	 */
-	function connect(array & $config);
+	function connect(array &$config);

 	/**
 	 * Disconnects from a database.
@@ -97,19 +97,39 @@ interface Driver

 	/**
 	 * Encodes data for use in a SQL statement.
-	 * @param  mixed     value
+	 * @param  string    value
 	 * @return string    encoded value
 	 */
 	function escapeText($value);

+	/**
+	 * @param  string
+	 * @return string
+	 */
 	function escapeBinary($value);

+	/**
+	 * @param  string
+	 * @return string
+	 */
 	function escapeIdentifier($value);

+	/**
+	 * @param  bool
+	 * @return string
+	 */
 	function escapeBool($value);

+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	function escapeDate($value);

+	/**
+	 * @param  \DateTime|\DateTimeInterface|string|int
+	 * @return string
+	 */
 	function escapeDateTime($value);

 	/**
@@ -122,9 +142,12 @@ interface Driver

 	/**
 	 * Injects LIMIT/OFFSET to the SQL query.
+	 * @param  string
+	 * @param  int|NULL
+	 * @param  int|NULL
 	 * @return void
 	 */
-	function applyLimit(& $sql, $limit, $offset);
+	function applyLimit(&$sql, $limit, $offset);

 }

--- a/src/loader.php
+++ b/src/loader.php
@@ -14,32 +14,34 @@ if (PHP_VERSION_ID < 50404) {
 spl_autoload_register(function ($class) {
 	static $map = [
 		'dibi' => 'dibi.php',
-		'Dibi\Bridges\Nette\DibiExtension22' => 'Bridges/Nette/DibiExtension22.php',
 		'Dibi\Bridges\Nette\DibiExtension21' => 'Bridges/Nette/DibiExtension21.php',
+		'Dibi\Bridges\Nette\DibiExtension22' => 'Bridges/Nette/DibiExtension22.php',
 		'Dibi\Bridges\Nette\Panel' => 'Bridges/Nette/Panel.php',
 		'Dibi\Bridges\Tracy\Panel' => 'Bridges/Tracy/Panel.php',
 		'Dibi\Connection' => 'Connection.php',
+		'Dibi\ConstraintViolationException' => 'exceptions.php',
 		'Dibi\DataSource' => 'DataSource.php',
 		'Dibi\DateTime' => 'DateTime.php',
 		'Dibi\Driver' => 'interfaces.php',
 		'Dibi\DriverException' => 'exceptions.php',
 		'Dibi\Drivers\FirebirdDriver' => 'Drivers/FirebirdDriver.php',
-		'Dibi\Drivers\SqlsrvDriver' => 'Drivers/SqlsrvDriver.php',
-		'Dibi\Drivers\SqlsrvReflector' => 'Drivers/SqlsrvReflector.php',
 		'Dibi\Drivers\MsSqlDriver' => 'Drivers/MsSqlDriver.php',
 		'Dibi\Drivers\MsSqlReflector' => 'Drivers/MsSqlReflector.php',
 		'Dibi\Drivers\MySqlDriver' => 'Drivers/MySqlDriver.php',
-		'Dibi\Drivers\MySqliDriver' => 'Drivers/MySqliDriver.php',
 		'Dibi\Drivers\MySqlReflector' => 'Drivers/MySqlReflector.php',
+		'Dibi\Drivers\MySqliDriver' => 'Drivers/MySqliDriver.php',
 		'Dibi\Drivers\OdbcDriver' => 'Drivers/OdbcDriver.php',
 		'Dibi\Drivers\OracleDriver' => 'Drivers/OracleDriver.php',
 		'Dibi\Drivers\PdoDriver' => 'Drivers/PdoDriver.php',
 		'Dibi\Drivers\PostgreDriver' => 'Drivers/PostgreDriver.php',
 		'Dibi\Drivers\Sqlite3Driver' => 'Drivers/Sqlite3Driver.php',
 		'Dibi\Drivers\SqliteReflector' => 'Drivers/SqliteReflector.php',
+		'Dibi\Drivers\SqlsrvDriver' => 'Drivers/SqlsrvDriver.php',
+		'Dibi\Drivers\SqlsrvReflector' => 'Drivers/SqlsrvReflector.php',
 		'Dibi\Event' => 'Event.php',
 		'Dibi\Exception' => 'exceptions.php',
 		'Dibi\Fluent' => 'Fluent.php',
+		'Dibi\ForeignKeyConstraintViolationException' => 'exceptions.php',
 		'Dibi\HashMap' => 'HashMap.php',
 		'Dibi\HashMapBase' => 'HashMap.php',
 		'Dibi\Helpers' => 'Helpers.php',
@@ -48,6 +50,7 @@ spl_autoload_register(function ($class) {
 		'Dibi\Loggers\FileLogger' => 'Loggers/FileLogger.php',
 		'Dibi\Loggers\FirePhpLogger' => 'Loggers/FirePhpLogger.php',
 		'Dibi\NotImplementedException' => 'exceptions.php',
+		'Dibi\NotNullConstraintViolationException' => 'exceptions.php',
 		'Dibi\NotSupportedException' => 'exceptions.php',
 		'Dibi\PcreException' => 'exceptions.php',
 		'Dibi\ProcedureException' => 'exceptions.php',
@@ -65,8 +68,8 @@ spl_autoload_register(function ($class) {
 		'Dibi\Strict' => 'Strict.php',
 		'Dibi\Translator' => 'Translator.php',
 		'Dibi\Type' => 'Type.php',
+		'Dibi\UniqueConstraintViolationException' => 'exceptions.php',
 	], $old2new = [
-		'Dibi' => 'dibi.php',
 		'DibiColumnInfo' => 'Dibi\Reflection\Column',
 		'DibiConnection' => 'Dibi\Connection',
 		'DibiDatabaseInfo' => 'Dibi\Reflection\Database',
--- a/tests/.coveralls.yml
+++ b/tests/.coveralls.yml
@@ -0,0 +1,4 @@
+# for php-coveralls
+service_name: travis-ci
+coverage_clover: coverage.xml
+json_path: coverage.json
--- a/tests/databases.appveyor.ini
+++ b/tests/databases.appveyor.ini
@@ -73,13 +73,13 @@ system = sqlsrv
 ;password = "Password12!"
 ;system = sqlsrv

-[sqlsrv 2014]
-driver = sqlsrv
-host = "(local)\SQL2014"
-database = master
-username = sa
-password = "Password12!"
-system = sqlsrv
+;[sqlsrv 2014]
+;driver = sqlsrv
+;host = "(local)\SQL2014"
+;database = master
+;username = sa
+;password = "Password12!"
+;system = sqlsrv

 ;[sqlsrv 2014-pdo]
 ;driver = pdo
--- a/tests/dibi/Connection.connect.phpt
+++ b/tests/dibi/Connection.connect.phpt
@@ -29,10 +29,22 @@ test(function () use ($config) { // lazy


 test(function () use ($config) { // query string
-	$conn = new Connection(http_build_query($config, NULL, '&'));
+	$conn = new Connection(http_build_query($config, '', '&'));
 	Assert::true($conn->isConnected());

 	Assert::null($conn->getConfig('lazy'));
 	Assert::same($config['driver'], $conn->getConfig('driver'));
 	Assert::type('Dibi\Driver', $conn->getDriver());
 });
+
+
+test(function () use ($config) {
+	$conn = new Connection($config);
+	Assert::true($conn->isConnected());
+
+	$conn->disconnect();
+	Assert::false($conn->isConnected());
+
+	$conn->disconnect();
+	Assert::false($conn->isConnected());
+});
--- a/tests/dibi/Fluent.fetch.limit.mssql.phpt
+++ b/tests/dibi/Fluent.fetch.limit.mssql.phpt
@@ -10,7 +10,7 @@ class MockDriver extends Dibi\Drivers\SqlsrvDriver
 	function __construct()
 	{}

-	function connect(array & $config)
+	function connect(array &$config)
 	{}

 	function query($sql)
--- a/tests/dibi/Fluent.select.phpt
+++ b/tests/dibi/Fluent.select.phpt
@@ -26,19 +26,19 @@ Assert::same(
 	(string) $fluent
 );

-$fluent->from('table')->as('tableAlias')
+$fluent->from('table')->as('table.Alias')
 	->innerJoin('table1')->on('table.col = table1.col')
 	->innerJoin('table2')->on('table.col = table2.col');

 Assert::same(
-	reformat('SELECT * , [a] , [b] AS [bAlias] , [c], [d], [e] , [d] FROM [table] AS [tableAlias] INNER JOIN [table1] ON table.col = table1.col INNER JOIN [table2] ON table.col = table2.col'),
+	reformat('SELECT * , [a] , [b] AS [bAlias] , [c], [d], [e] , [d] FROM [table] AS [table.Alias] INNER JOIN [table1] ON table.col = table1.col INNER JOIN [table2] ON table.col = table2.col'),
 	(string) $fluent
 );

 $fluent->from('anotherTable');

 Assert::same(
-	reformat('SELECT * , [a] , [b] AS [bAlias] , [c], [d], [e] , [d] FROM [table] AS [tableAlias] INNER JOIN [table1] ON table.col = table1.col INNER JOIN [table2] ON table.col = table2.col , [anotherTable]'),
+	reformat('SELECT * , [a] , [b] AS [bAlias] , [c], [d], [e] , [d] FROM [table] AS [table.Alias] INNER JOIN [table1] ON table.col = table1.col INNER JOIN [table2] ON table.col = table2.col , [anotherTable]'),
 	(string) $fluent
 );

--- a/tests/dibi/Result.normalize.phpt
+++ b/tests/dibi/Result.normalize.phpt
@@ -15,7 +15,7 @@ class MockResult extends Dibi\Result
 	{
 		$normalize = new ReflectionMethod('Dibi\Result', 'normalize');
 		$normalize->setAccessible(TRUE);
-		$normalize->invokeArgs($this, [& $row]);
+		$normalize->invokeArgs($this, [&$row]);
 		return $row;
 	}
 }
@@ -139,7 +139,7 @@ test(function () {
 	Assert::same(['col' => 1], $result->test(['col' => TRUE]));
 	Assert::same(['col' => 0], $result->test(['col' => FALSE]));

-	Assert::same(['col' => 0], $result->test(['col' => '']));
+	Assert::same(['col' => 0], @$result->test(['col' => ''])); // triggers warning in PHP 7.1
 	Assert::same(['col' => 0], $result->test(['col' => '0']));
 	Assert::same(['col' => 1], $result->test(['col' => '1']));
 	Assert::same(['col' => 10], $result->test(['col' => '10']));
--- a/tests/dibi/Sqlsrv.insert.phpt
+++ b/tests/dibi/Sqlsrv.insert.phpt
@@ -0,0 +1,28 @@
+<?php
+
+/**
+ * @dataProvider? ../databases.ini sqlsrv
+ */
+
+use Tester\Assert;
+
+require __DIR__ . '/bootstrap.php';
+
+$conn = new Dibi\Connection($config);
+$conn->loadFile(__DIR__ . "/data/sqlsrv.insert.sql");
+
+for ($i = 1; $i <= 5; $i++) {
+	$conn->query('INSERT INTO %n DEFAULT VALUES', 'aaa');
+	Assert::equal($i, $conn->getInsertId());
+}
+
+$conn->query('INSERT INTO %n DEFAULT VALUES', 'aab');
+Assert::equal(1, $conn->getInsertId());
+
+$conn->query(
+	'CREATE TRIGGER %n ON %n AFTER INSERT AS INSERT INTO %n DEFAULT VALUES',
+	'UpdAAB', 'aab', 'aaa'
+);
+
+$conn->query('INSERT INTO %n DEFAULT VALUES', 'aab');
+Assert::equal(2, $conn->getInsertId());
--- a/tests/dibi/Translator.phpt
+++ b/tests/dibi/Translator.phpt
@@ -280,7 +280,7 @@ $array2 = ['one', 'two', 'three'];
 $array3 = [
 	'col1' => 'one',
 	'col2' => 'two',
-	'col3' => 'three',
+	'col3' => 'thr.ee',
 ];
 $array4 = [
 	'a' => 12,
@@ -301,8 +301,8 @@ WHERE (`test`.`a` LIKE '1995-03-01'
 	OR `b2` IN ('1', '2', '3' )
 	OR `b3` IN ( )
 	OR `b4` IN ( 'one', 'two', 'three' )
-	OR `b5` IN (`col1` AS `one`, `col2` AS `two`, `col3` AS `three` )
-	OR `b6` IN ('one', 'two', 'three')
+	OR `b5` IN (`col1` AS `one`, `col2` AS `two`, `col3` AS `thr.ee` )
+	OR `b6` IN ('one', 'two', 'thr.ee')
 	OR `b7` IN (NULL)
 	OR `b8` IN (RAND() `col1` > `col2` )
 	OR `b9` IN (RAND(), [col1] > [col2] )
@@ -322,8 +322,8 @@ WHERE ("test"."a" LIKE \'1995-03-01\'
 	OR "b2" IN (\'1\', \'2\', \'3\' )
 	OR "b3" IN ( )
 	OR "b4" IN ( \'one\', \'two\', \'three\' )
-	OR "b5" IN ("col1" AS "one", "col2" AS "two", "col3" AS "three" )
-	OR "b6" IN (\'one\', \'two\', \'three\')
+	OR "b5" IN ("col1" AS "one", "col2" AS "two", "col3" AS "thr.ee" )
+	OR "b6" IN (\'one\', \'two\', \'thr.ee\')
 	OR "b7" IN (NULL)
 	OR "b8" IN (RAND() "col1" > "col2" )
 	OR "b9" IN (RAND(), [col1] > [col2] )
@@ -343,8 +343,8 @@ WHERE ([test].[a] LIKE #03/01/1995#
 	OR [b2] IN ('1', '2', '3' )
 	OR [b3] IN ( )
 	OR [b4] IN ( 'one', 'two', 'three' )
-	OR [b5] IN ([col1] AS [one], [col2] AS [two], [col3] AS [three] )
-	OR [b6] IN ('one', 'two', 'three')
+	OR [b5] IN ([col1] AS [one], [col2] AS [two], [col3] AS [thr.ee] )
+	OR [b6] IN ('one', 'two', 'thr.ee')
 	OR [b7] IN (NULL)
 	OR [b8] IN (RAND() [col1] > [col2] )
 	OR [b9] IN (RAND(), [col1] > [col2] )
@@ -364,8 +364,8 @@ WHERE ([test].[a] LIKE '1995-03-01'
 	OR [b2] IN ('1', '2', '3' )
 	OR [b3] IN ( )
 	OR [b4] IN ( 'one', 'two', 'three' )
-	OR [b5] IN ([col1] AS [one], [col2] AS [two], [col3] AS [three] )
-	OR [b6] IN ('one', 'two', 'three')
+	OR [b5] IN ([col1] AS [one], [col2] AS [two], [col3] AS [thr.ee] )
+	OR [b6] IN ('one', 'two', 'thr.ee')
 	OR [b7] IN (NULL)
 	OR [b8] IN (RAND() [col1] > [col2] )
 	OR [b9] IN (RAND(), [col1] > [col2] )
@@ -522,7 +522,7 @@ Assert::same(

 Assert::same(
 	reformat('INSERT INTO 0'),
-	$conn->translate('INSERT INTO %f', 'ahoj')
+	@$conn->translate('INSERT INTO %f', 'ahoj') // triggers warning in PHP 7.1
 );


@@ -542,6 +542,12 @@ Assert::same(
 );


+Assert::same(
+	reformat('SELECT [a].[b] AS [c.d]'),
+	$conn->translate('SELECT %n AS %N', 'a.b', 'c.d')
+);
+
+
 setLocale(LC_ALL, 'czech');

 Assert::same(
--- a/tests/dibi/data/mysql.sql
+++ b/tests/dibi/data/mysql.sql
@@ -1,5 +1,3 @@
-/*!40102 SET storage_engine = InnoDB */;
-
 DROP DATABASE IF EXISTS dibi_test;
 CREATE DATABASE dibi_test;
 USE dibi_test;
--- a/tests/dibi/data/sqlsrv.insert.sql
+++ b/tests/dibi/data/sqlsrv.insert.sql
@@ -0,0 +1,5 @@
+IF OBJECT_ID('aaa', 'U') IS NOT NULL DROP TABLE aaa;
+IF OBJECT_ID('aab', 'U') IS NOT NULL DROP TABLE aab;
+
+CREATE TABLE aaa ( [id] int NOT NULL IDENTITY PRIMARY KEY )
+CREATE TABLE aab ( [id] int NOT NULL IDENTITY PRIMARY KEY )
--- a/tests/php5-win.ini
+++ b/tests/php5-win.ini
--- a/tests/php7-win.ini
+++ b/tests/php7-win.ini
@@ -0,0 +1,17 @@
+[PHP]
+extension_dir = "./ext"
+;extension=php_mssql.dll
+extension=php_mysqli.dll
+;extension=php_oci8.dll
+;extension=php_oci8_11g.dll
+;extension=php_pdo_firebird.dll
+;extension=php_pdo_mssql.dll
+extension=php_pdo_mysql.dll
+;extension=php_pdo_oci.dll
+extension=php_pdo_odbc.dll
+extension=php_pdo_pgsql.dll
+extension=php_pdo_sqlite.dll
+extension=php_pgsql.dll
+extension=php_sqlite3.dll
+extension=php_sqlsrv_ts.dll
+extension=php_odbc.dll
Author	SHA1	Message	Date
David Grudl	da9c42d540	loader: added missing classes	2018-08-22 15:41:19 +02:00
David Grudl	e8559898f1	Released version 3.0.9	2018-03-09 12:56:49 +01:00
David Grudl	ece85e8b48	appveyor: PHP is downloaded using cURL "03/mar/2018: We've upgraded the server bandwidth. This is however still not sufficient to handle all empty user agent connections. Please update the user agent in your scripts accordingly or contact us so we can discuss it."	2018-03-08 13:53:10 +01:00
David Grudl	acd5ac8616	loader: fixed missing class 'dibi.php'	2018-02-15 11:54:37 +01:00
David Grudl	44876973f5	Translator: fixed %dt with DateTimeInterface object [Closes #263 ]	2017-09-21 14:05:20 +02:00
David Grudl	0e5d951dfb	Released version 3.0.8	2017-06-10 03:05:18 +02:00
David Grudl	126422ad7e	strict fixes	2017-06-10 03:05:18 +02:00
David Grudl	277f52c928	appveyor: is unable to start MSSQL 2012 & 2014 together	2017-06-10 02:58:47 +02:00
David Grudl	80ac569621	fixed phpDoc	2017-06-10 02:58:47 +02:00
David Grudl	d9628f933d	coding style: removed space after reference &	2017-06-10 02:58:47 +02:00
David Grudl	f7009f3e0c	Tracy\Panel: better typography	2017-06-10 02:58:47 +02:00
Jiří Trávníček	36d30c1fcf	Dibi\Bridges\Tracy\Panel: host added to tracy panel [closes #250 ] (#251 )	2017-06-10 02:58:44 +02:00
David Grudl	ae6c8756b6	Tracy\Panel: one panel is used per connection	2017-06-10 02:58:06 +02:00
David Grudl	6b2c996b16	Tracy\Panel: dump() may fails related: https://forum.nette.org/cs/26790-error-dibi-bridges-tracy-panel-oracle `917971992f (commitcomment-18444224)`	2017-06-09 12:12:07 +02:00
David Grudl	718c617764	travis: removed HHVM	2017-06-09 12:12:07 +02:00
David Grudl	6194152e67	examples: tracy is loaded before output [Closes #248 ]	2017-06-09 12:12:07 +02:00
David Grudl	d39603e23d	updated .gitattributes	2017-06-09 12:12:07 +02:00
David Grudl	22e6ea4e40	Released version 3.0.7	2017-01-04 15:18:17 +01:00
David Grudl	f0d2c3f414	travis: removed PHP 7.1 from allowed failures	2017-01-04 15:18:17 +01:00
David Grudl	873ed3115d	Connection::translateArgs() is protected [Closes #237 ]	2017-01-04 15:18:17 +01:00
Martin Dzíbela	73289d0569	PostgreSQL: add support for more than one schema in search_path (#239 )	2017-01-04 15:18:17 +01:00
David Grudl	7b899ddda5	updated contributing.md, added GitHub templates	2017-01-04 15:18:17 +01:00
Ondřej Mirtes	8860268791	typos (#243 )	2016-12-03 19:29:29 +01:00
Honza Machala	551b576271	Typos (#242 )	2016-11-14 13:47:45 +01:00
David Grudl	74d0a78ec2	Result, Row: added support for datetime like 'Jun 17 2015 12:00:00:000AM' [Closes #180 ]	2016-09-02 17:36:37 +02:00
Aleš Culek	be7c3f095d	Implemented OracleDriver::getColumns() (#233 )	2016-08-09 22:37:45 +02:00
Radovan Kepák	3a6dc07da8	FirebirdDriver: Fixed DriverException throw (#231 ) Fixed fetch Dibi\DriverException throw and more PHP warnings silenced	2016-08-09 22:36:44 +02:00
David Grudl	9b070bb737	Released version 3.0.6	2016-07-31 16:50:07 +02:00
David Grudl	917971992f	Bridges\Tracy\Panel: silenced PHP warning https://forum.nette.org/cs/26790-error-dibi-bridges-tracy-panel-oracle	2016-07-27 14:01:46 +02:00
Radovan Kepák	bc564555f8	FirebirdDriver: silenced PHP warning If fetch have error, PHP show Warning, this is error by my opinion as Dibi Throw Exception with information, so the Warning is useless, and even more, if we catch exception, we still have warning.	2016-07-27 13:55:15 +02:00
David Grudl	3e20a6b8fc	Dibi\DateTime::__wakeup() doesn't call parent after `8e8e6dfd` [Closes #228 ]	2016-07-27 13:28:23 +02:00
David Grudl	c019e7cac2	tests: fixed compatibility with PHP 7.1	2016-07-21 14:38:56 +02:00
David Grudl	2294c195f4	Released version 3.0.5	2016-07-20 16:15:13 +02:00
David Grudl	25246529f7	Translator, Fluent: preserve dot in name after AS [Closes #224 ]	2016-07-20 16:13:33 +02:00
David Grudl	d405ec369b	Translator: added %N	2016-07-20 16:13:32 +02:00
David Grudl	b7974fe192	travis: added PHP 7.1	2016-07-20 15:54:58 +02:00
David Grudl	80f1898e1b	tests: removed deprecated 'storage_engine'	2016-07-20 15:50:33 +02:00
Roman Pavlík	8e8e6dfdca	Dibi\DateTime: provides BC for serialized older versions [Closes #226 ] (#227 )	2016-07-20 15:50:33 +02:00
Milan Pála	6510fcce25	Disconnect on not connected driver not fail (#222 ) Sometimes database go away and Connection::isConnected() is returning TRUE. Prevent this should be posibble to disconnect on closed connection without error.	2016-07-20 15:50:32 +02:00
aldria	b7d84b90ef	Correct limit and offset for Firebird Driver (#221 ) SELECT [FIRST (<int-expr>)] [SKIP (<int-expr>)] <columns> FROM ...	2016-05-27 03:48:06 +02:00
David Grudl	2571e54f3c	composer.json: replaces all dg/dibi versions	2016-05-04 20:13:50 +02:00
Aleš Culek	15e6d9f738	Implemented OracleDriver::getAffectedRows()	2016-05-03 08:55:22 +02:00
David Grudl	ddfd4a0f1a	tests/travis: reports code coverage to Coveralls	2016-04-21 11:29:10 +02:00
David Grudl	4e838fc2b5	Released version 3.0.4	2016-04-06 19:09:24 +02:00
David Grudl	37487816db	removed Strict from exceptions [Closes #216 ]	2016-04-06 18:52:42 +02:00
David Grudl	0c099bb2bc	tests: a different .ini for PHP 5 and PHP 7	2016-03-20 19:23:57 +01:00
David Grudl	1786c861b9	Merge pull request #213 from castamir/php7sqlsrv SqlsrvDriver: php7 compatibility	2016-03-20 16:34:36 +01:00
Mira Paulik	bc0578928f	SqlsrvDriver: php7 compatibility	2016-03-20 13:50:10 +01:00
David Grudl	12a07ff6ad	Merge pull request #212 from soukiii/master Fluent: missing annotation	2016-03-18 17:16:23 +01:00
Petr Soukup	b50f59c64c	Fluent: missing annotation	2016-03-18 15:40:16 +01:00
David Grudl	fdebf349f5	appveyor: test under PHP 7	2016-03-18 15:07:45 +01:00
David Grudl	954c2f25d0	Merge pull request #209 from castamir/sqlsrv_insert SqlsrvDriver::getInsertId() last inserted id is from last statement instead of last inserted row	2016-02-29 23:37:17 +01:00
Mira Paulik	43dccb1ba2	SqlsrvDriver::getInsertId() last inserted id is from last statement instead of last inserted row regardless of the table that produced the value	2016-02-29 16:10:59 +01:00