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<?php
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/**
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* This file is part of the O2System Framework package.
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*
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* @author Steeve Andrian Salim
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* @copyright Copyright (c) Steeve Andrian Salim
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*/
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// ------------------------------------------------------------------------
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namespace O2System\Database\Sql\Drivers\MySql;
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// ------------------------------------------------------------------------
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use O2System\Database\DataStructures\Config;
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use O2System\Database\Sql\Abstracts\AbstractConnection;
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use O2System\Database\Sql\DataStructures\Query;
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use O2System\Spl\DataStructures\SplArrayObject;
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use O2System\Spl\Exceptions\RuntimeException;
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/**
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* Class Connection
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*
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* @package O2System\Database\Sql\Drivers\MySql
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*/
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class Connection extends AbstractConnection
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{
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/**
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* Connection::$isDeleteHack
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*
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* DELETE hack flag
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*
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* Whether to use the MySql "delete hack" which allows the number
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* of affected rows to be shown. Uses a preg_replace when enabled,
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* adding a bit more processing to all queries.
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*
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* @var bool
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*/
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public $isDeleteHack = true;
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/**
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* Connection::$platform
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*
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* Database driver platform name.
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*
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* @var string
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*/
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protected $platform = 'MySQL';
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/**
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* Connection::$config
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*
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* Connection configurations.
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*
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* @var array
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*/
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protected $config
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= [
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'escapeCharacter' => '`',
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'reservedIdentifiers' => ['*'],
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'likeEscapeStatement' => ' ESCAPE \'%s\' ',
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'likeEscapeCharacter' => '!',
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];
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/**
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* Connection::$handle
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*
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* MySqli Connection Instance.
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*
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* @var \mysqli
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*/
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protected $handle;
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// ------------------------------------------------------------------------
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/**
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* Connection::isSupported
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*
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* Check if the platform is supported.
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*
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* @return bool
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*/
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public function isSupported()
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{
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return extension_loaded('mysqli');
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::setDatabase
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*
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* Set a specific database table to use.
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*
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* @param string $database Database name.
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*
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* @return static
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*/
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public function setDatabase($database)
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{
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$database = empty($database)
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? $this->database
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: $database;
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if ($this->handle->select_db($database)) {
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$this->database = $database;
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}
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return $this;
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::getDatabases
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*
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* Get list of current connection databases.
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*
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* @return array Returns an array.
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* @throws \O2System\Spl\Exceptions\RuntimeException
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* @throws \Psr\Cache\InvalidArgumentException
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*/
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public function getDatabases()
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{
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if (empty($this->queriesResultCache[ 'databaseNames' ])) {
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$result = $this->query('SHOW DATABASES');
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if ($result->count()) {
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foreach ($result as $row) {
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if ( ! isset($key)) {
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if (isset($row[ 'database' ])) {
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$key = 'database';
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} elseif (isset($row[ 'Database' ])) {
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$key = 'Database';
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} elseif (isset($row[ 'DATABASE' ])) {
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$key = 'DATABASE';
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} else {
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/* We have no other choice but to just get the first element's key.
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* Due to array_shift() accepting its argument by reference, if
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* E_STRICT is on, this would trigger a warning. So we'll have to
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* assign it first.
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*/
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$key = array_keys($row);
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$key = array_shift($key);
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}
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}
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$this->queriesResultCache[ 'databaseNames' ][] = $row->offsetGet($key);
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}
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}
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}
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return $this->queriesResultCache[ 'databaseNames' ];
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::getTables
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*
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* Get list of current database tables.
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*
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* @param bool $prefixLimit If sets TRUE the query will be limit using database table prefix.
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*
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* @return array Returns an array
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* @throws \O2System\Spl\Exceptions\RuntimeException
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* @throws \Psr\Cache\InvalidArgumentException
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*/
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public function getTables($prefixLimit = false)
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{
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if (empty($this->queriesResultCache[ 'tableNames' ])) {
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$sqlStatement = 'SHOW TABLES FROM ' . $this->escapeIdentifiers($this->config[ 'database' ]);
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if ($prefixLimit !== false && $this->config[ 'tablePrefix' ] !== '') {
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$sqlStatement .= " LIKE '" . $this->escapeLikeString($this->config[ 'tablePrefix' ]) . "%'";
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}
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$result = $this->query($sqlStatement);
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if ($result->count()) {
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foreach ($result as $row) {
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// Do we know from which column to get the table name?
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if ( ! isset($key)) {
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if (isset($row[ 'table_name' ])) {
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$key = 'table_name';
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} elseif (isset($row[ 'TABLE_NAME' ])) {
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$key = 'TABLE_NAME';
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} else {
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/* We have no other choice but to just get the first element's key.
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* Due to array_shift() accepting its argument by reference, if
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* E_STRICT is on, this would trigger a warning. So we'll have to
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* assign it first.
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*/
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$key = array_keys($row->getArrayCopy());
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$key = array_shift($key);
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}
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}
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$this->queriesResultCache[ 'tableNames' ][] = $row->offsetGet($key);
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}
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}
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}
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return $this->queriesResultCache[ 'tableNames' ];
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::getColumns
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*
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* @param string $table The database table name.
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*
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* @return array
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* @throws \O2System\Spl\Exceptions\RuntimeException
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* @throws \Psr\Cache\InvalidArgumentException
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*/
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public function getColumns($table)
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{
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$table = $this->prefixTable($table);
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if (empty($this->queriesResultCache[ 'tableColumns' ][ $table ])) {
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$result = $this->query('SHOW COLUMNS FROM ' . $this->protectIdentifiers($table, true, null, false));
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if ($result->count()) {
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foreach ($result as $row) {
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// Do we know from where to get the column's name?
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if ( ! isset($key)) {
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if (isset($row[ 'column_name' ])) {
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$key = 'column_name';
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} elseif (isset($row[ 'COLUMN_NAME' ])) {
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$key = 'COLUMN_NAME';
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} else {
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/* We have no other choice but to just get the first element's key.
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* Due to array_shift() accepting its argument by reference, if
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* E_STRICT is on, this would trigger a warning. So we'll have to
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* assign it first.
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*/
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$key = array_keys($row->getArrayCopy());
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$key = array_shift($key);
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}
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}
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$this->queriesResultCache[ 'tableColumns' ][ $table ][ $row->offsetGet($key) ] = $row;
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}
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}
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}
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return $this->queriesResultCache[ 'tableColumns' ][ $table ];
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::reconnect
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*
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* Keep or establish the connection if no queries have been sent for
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* a length of time exceeding the server's idle timeout.
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*
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* @return void
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*/
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public function reconnect()
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{
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if ($this->handle !== false && $this->handle->ping() === false) {
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$this->handle = false;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::getAffectedRows
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*
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* Get the total number of affected rows from the last query execution.
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*
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* @return int Returns total number of affected rows
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*/
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public function getAffectedRows()
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{
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return $this->handle->affected_rows;
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}
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//--------------------------------------------------------------------
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/**
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* Connection::getLastInsertId
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*
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* Get last insert id from the last insert query execution.
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*
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* @return int Returns total number of affected rows
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*/
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public function getLastInsertId()
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{
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return $this->handle->insert_id;
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}
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// ------------------------------------------------------------------------
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/**
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* Connection::getLastQuery
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*
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* Returns the last query's statement object.
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*
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* @return string
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*/
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public function getLastQuery()
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{
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$last = end($this->queriesCache);
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if ($last->getSqlStatement() === 'SELECT FOUND_ROWS() AS numrows;') {
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$last = prev($this->queriesCache);
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}
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return $last;
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}
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|
|
|
322
|
|
|
//--------------------------------------------------------------------
|
|
323
|
|
|
|
|
324
|
|
|
/**
|
|
325
|
|
|
* Connection::platformGetPlatformVersionHandler
|
|
326
|
|
|
*
|
|
327
|
|
|
* Platform getting version handler.
|
|
328
|
|
|
*
|
|
329
|
|
|
* @return SplArrayObject
|
|
330
|
|
|
*/
|
|
331
|
|
|
protected function platformGetPlatformInfoHandler()
|
|
332
|
|
|
{
|
|
333
|
|
|
$server[ 'version' ][ 'string' ] = $this->handle->server_info;
|
|
|
|
|
|
|
334
|
|
|
$server[ 'version' ][ 'number' ] = $this->handle->server_version;
|
|
335
|
|
|
$server[ 'stats' ] = $this->handle->get_connection_stats();
|
|
336
|
|
|
|
|
337
|
|
|
$client[ 'version' ][ 'string' ] = $this->handle->client_info;
|
|
|
|
|
|
|
338
|
|
|
$client[ 'version' ][ 'number' ] = $this->handle->client_version;
|
|
339
|
|
|
$client[ 'stats' ] = mysqli_get_client_stats();
|
|
340
|
|
|
|
|
341
|
|
|
return new SplArrayObject([
|
|
342
|
|
|
'name' => $this->getPlatform(),
|
|
343
|
|
|
'host' => $this->handle->host_info,
|
|
344
|
|
|
'state' => $this->handle->sqlstate,
|
|
345
|
|
|
'protocol' => $this->handle->protocol_version,
|
|
346
|
|
|
'server' => $server,
|
|
347
|
|
|
'client' => $client,
|
|
348
|
|
|
]);
|
|
349
|
|
|
}
|
|
350
|
|
|
|
|
351
|
|
|
// ------------------------------------------------------------------------
|
|
352
|
|
|
|
|
353
|
|
|
/**
|
|
354
|
|
|
* Connection::platformConnectHandler
|
|
355
|
|
|
*
|
|
356
|
|
|
* Establish the connection.
|
|
357
|
|
|
*
|
|
358
|
|
|
* @param Config $config
|
|
359
|
|
|
*
|
|
360
|
|
|
* @return void
|
|
361
|
|
|
* @throws RuntimeException
|
|
362
|
|
|
*/
|
|
363
|
|
|
protected function platformConnectHandler(Config $config)
|
|
364
|
|
|
{
|
|
365
|
|
|
// Do we have a socket path?
|
|
366
|
|
|
if ($config->hostname[ 0 ] === '/') {
|
|
|
|
|
|
|
367
|
|
|
$hostname = null;
|
|
368
|
|
|
$port = null;
|
|
369
|
|
|
$socket = $config->hostname;
|
|
370
|
|
|
} else {
|
|
371
|
|
|
$hostname = ($config->persistent === true)
|
|
|
|
|
|
|
372
|
|
|
? 'p:' . $config->hostname
|
|
373
|
|
|
: $config->hostname;
|
|
374
|
|
|
$port = empty($config->port)
|
|
|
|
|
|
|
375
|
|
|
? null
|
|
376
|
|
|
: $config->port;
|
|
377
|
|
|
$socket = null;
|
|
378
|
|
|
}
|
|
379
|
|
|
|
|
380
|
|
|
$flags = ($config->compress === true)
|
|
|
|
|
|
|
381
|
|
|
? MYSQLI_CLIENT_COMPRESS
|
|
382
|
|
|
: 0;
|
|
383
|
|
|
$this->handle = mysqli_init();
|
|
384
|
|
|
//$this->handle->autocommit( ( $this->transactionEnable ? true : false ) );
|
|
385
|
|
|
|
|
386
|
|
|
$this->handle->options(MYSQLI_OPT_CONNECT_TIMEOUT, 10);
|
|
387
|
|
|
|
|
388
|
|
|
if (isset($config->strictOn)) {
|
|
|
|
|
|
|
389
|
|
|
if ($config->strictOn) {
|
|
390
|
|
|
$this->handle->options(
|
|
391
|
|
|
MYSQLI_INIT_COMMAND,
|
|
392
|
|
|
'SET SESSION Sql_mode = CONCAT(@@Sql_mode, ",", "STRICT_ALL_TABLES")'
|
|
393
|
|
|
);
|
|
394
|
|
|
} else {
|
|
395
|
|
|
$this->handle->options(
|
|
396
|
|
|
MYSQLI_INIT_COMMAND,
|
|
397
|
|
|
'SET SESSION Sql_mode =
|
|
398
|
|
|
REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(REPLACE(
|
|
399
|
|
|
@@Sql_mode,
|
|
400
|
|
|
"STRICT_ALL_TABLES,", ""),
|
|
401
|
|
|
",STRICT_ALL_TABLES", ""),
|
|
402
|
|
|
"STRICT_ALL_TABLES", ""),
|
|
403
|
|
|
"STRICT_TRANS_TABLES,", ""),
|
|
404
|
|
|
",STRICT_TRANS_TABLES", ""),
|
|
405
|
|
|
"STRICT_TRANS_TABLES", "")'
|
|
406
|
|
|
);
|
|
407
|
|
|
}
|
|
408
|
|
|
}
|
|
409
|
|
|
|
|
410
|
|
|
if (is_array($config->encrypt)) {
|
|
|
|
|
|
|
411
|
|
|
$ssl = [];
|
|
412
|
|
|
empty($config->encrypt[ 'ssl_key' ]) OR $ssl[ 'key' ] = $config->encrypt[ 'ssl_key' ];
|
|
413
|
|
|
empty($config->encrypt[ 'ssl_cert' ]) OR $ssl[ 'cert' ] = $config->encrypt[ 'ssl_cert' ];
|
|
414
|
|
|
empty($config->encrypt[ 'ssl_ca' ]) OR $ssl[ 'ca' ] = $config->encrypt[ 'ssl_ca' ];
|
|
415
|
|
|
empty($config->encrypt[ 'ssl_capath' ]) OR $ssl[ 'capath' ] = $config->encrypt[ 'ssl_capath' ];
|
|
416
|
|
|
empty($config->encrypt[ 'ssl_cipher' ]) OR $ssl[ 'cipher' ] = $config->encrypt[ 'ssl_cipher' ];
|
|
417
|
|
|
|
|
418
|
|
|
if ( ! empty($ssl)) {
|
|
419
|
|
|
if (isset($config->encrypt[ 'ssl_verify' ])) {
|
|
420
|
|
|
if ($config->encrypt[ 'ssl_verify' ]) {
|
|
421
|
|
|
defined('MYSQLI_OPT_SSL_VERIFY_SERVER_CERT')
|
|
422
|
|
|
&& $this->handle->options(MYSQLI_OPT_SSL_VERIFY_SERVER_CERT, true);
|
|
423
|
|
|
}
|
|
424
|
|
|
// Apparently (when it exists), setting MYSQLI_OPT_SSL_VERIFY_SERVER_CERT
|
|
425
|
|
|
// to FALSE didn't do anything, so PHP 5.6.16 introduced yet another
|
|
426
|
|
|
// constant ...
|
|
427
|
|
|
//
|
|
428
|
|
|
// https://secure.php.net/ChangeLog-5.php#5.6.16
|
|
429
|
|
|
// https://bugs.php.net/bug.php?id=68344
|
|
430
|
|
|
elseif (defined('MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT')) {
|
|
431
|
|
|
$this->handle->options(MYSQLI_CLIENT_SSL_DONT_VERIFY_SERVER_CERT, true);
|
|
432
|
|
|
}
|
|
433
|
|
|
}
|
|
434
|
|
|
|
|
435
|
|
|
$flags |= MYSQLI_CLIENT_SSL;
|
|
436
|
|
|
$this->handle->ssl_set(
|
|
437
|
|
|
isset($ssl[ 'key' ])
|
|
438
|
|
|
? $ssl[ 'key' ]
|
|
439
|
|
|
: null,
|
|
440
|
|
|
isset($ssl[ 'cert' ])
|
|
441
|
|
|
? $ssl[ 'cert' ]
|
|
442
|
|
|
: null,
|
|
443
|
|
|
isset($ssl[ 'ca' ])
|
|
444
|
|
|
? $ssl[ 'ca' ]
|
|
445
|
|
|
: null,
|
|
446
|
|
|
isset($ssl[ 'capath' ])
|
|
447
|
|
|
? $ssl[ 'capath' ]
|
|
448
|
|
|
: null,
|
|
449
|
|
|
isset($ssl[ 'cipher' ])
|
|
450
|
|
|
? $ssl[ 'cipher' ]
|
|
451
|
|
|
: null
|
|
452
|
|
|
);
|
|
453
|
|
|
}
|
|
454
|
|
|
}
|
|
455
|
|
|
|
|
456
|
|
|
if ($this->handle->real_connect(
|
|
457
|
|
|
$hostname,
|
|
458
|
|
|
$config->username,
|
|
|
|
|
|
|
459
|
|
|
$config->password,
|
|
|
|
|
|
|
460
|
|
|
$config->database,
|
|
|
|
|
|
|
461
|
|
|
$port,
|
|
462
|
|
|
$socket,
|
|
463
|
|
|
$flags
|
|
464
|
|
|
)
|
|
465
|
|
|
) {
|
|
466
|
|
|
// Prior to version 5.7.3, MySql silently downgrades to an unencrypted connection if SSL setup fails
|
|
467
|
|
|
if (
|
|
468
|
|
|
($flags & MYSQLI_CLIENT_SSL)
|
|
469
|
|
|
AND version_compare($this->handle->client_info, '5.7.3', '<=')
|
|
470
|
|
|
AND empty($this->handle->query("SHOW STATUS LIKE 'ssl_cipher'")
|
|
471
|
|
|
->fetch_object()->Value)
|
|
472
|
|
|
) {
|
|
473
|
|
|
$this->handle->close();
|
|
474
|
|
|
// 'MySqli was configured for an SSL connection, but got an unencrypted connection instead!';
|
|
475
|
|
|
logger()->error('E_DB_CONNECTION_SSL', [$this->platform]);
|
|
476
|
|
|
|
|
477
|
|
|
if ($config->debugEnable) {
|
|
|
|
|
|
|
478
|
|
|
throw new RuntimeException('E_DB_CONNECTION_SSL');
|
|
479
|
|
|
}
|
|
480
|
|
|
|
|
481
|
|
|
return;
|
|
482
|
|
|
}
|
|
483
|
|
|
|
|
484
|
|
|
if ( ! $this->handle->set_charset($config->charset)) {
|
|
|
|
|
|
|
485
|
|
|
// "Database: Unable to set the configured connection charset ('{$this->charset}')."
|
|
486
|
|
|
logger()->error('E_DB_CONNECTION_CHARSET', [$config->charset]);
|
|
487
|
|
|
$this->handle->close();
|
|
488
|
|
|
|
|
489
|
|
|
if ($config->debugEnable) {
|
|
490
|
|
|
// 'Unable to set client connection character set: ' . $this->charset
|
|
491
|
|
|
throw new RuntimeException('E_DB_CONNECTION_CHARSET', [$config->charset]);
|
|
|
|
|
|
|
492
|
|
|
}
|
|
493
|
|
|
}
|
|
494
|
|
|
}
|
|
495
|
|
|
}
|
|
496
|
|
|
|
|
497
|
|
|
// ------------------------------------------------------------------------
|
|
498
|
|
|
|
|
499
|
|
|
/**
|
|
500
|
|
|
* Connection::disconnectHandler
|
|
501
|
|
|
*
|
|
502
|
|
|
* Driver dependent way method for closing the connection.
|
|
503
|
|
|
*
|
|
504
|
|
|
* @return mixed
|
|
505
|
|
|
*/
|
|
506
|
|
|
protected function platformDisconnectHandler()
|
|
507
|
|
|
{
|
|
508
|
|
|
$this->handle->close();
|
|
509
|
|
|
}
|
|
510
|
|
|
|
|
511
|
|
|
// ------------------------------------------------------------------------
|
|
512
|
|
|
|
|
513
|
|
|
/**
|
|
514
|
|
|
* Connection::executeHandler
|
|
515
|
|
|
*
|
|
516
|
|
|
* Driver dependent way method for execute the Sql statement.
|
|
517
|
|
|
*
|
|
518
|
|
|
* @param Query\Statement $statement Query object.
|
|
519
|
|
|
*
|
|
520
|
|
|
* @return bool
|
|
521
|
|
|
*/
|
|
522
|
|
|
protected function platformExecuteHandler(Query\Statement &$statement)
|
|
523
|
|
|
{
|
|
524
|
|
|
if (false !== $this->handle->query($statement->getSqlFinalStatement())) {
|
|
525
|
|
|
return true;
|
|
526
|
|
|
}
|
|
527
|
|
|
|
|
528
|
|
|
// Set query error information
|
|
529
|
|
|
$statement->addError($this->handle->errno, $this->handle->error);
|
|
530
|
|
|
|
|
531
|
|
|
return false;
|
|
532
|
|
|
|
|
533
|
|
|
}
|
|
534
|
|
|
|
|
535
|
|
|
// ------------------------------------------------------------------------
|
|
536
|
|
|
|
|
537
|
|
|
/**
|
|
538
|
|
|
* Connection::platformQueryHandler
|
|
539
|
|
|
*
|
|
540
|
|
|
* Driver dependent way method for execute the Sql statement.
|
|
541
|
|
|
*
|
|
542
|
|
|
* @param Query\Statement $statement Query object.
|
|
543
|
|
|
*
|
|
544
|
|
|
* @return array
|
|
545
|
|
|
*/
|
|
546
|
|
|
protected function platformQueryHandler(Query\Statement &$statement)
|
|
547
|
|
|
{
|
|
548
|
|
|
$rows = [];
|
|
549
|
|
|
|
|
550
|
|
|
if ($result = $this->handle->query($statement->getSqlFinalStatement())) {
|
|
551
|
|
|
$rows = $result->fetch_all(MYSQLI_ASSOC);
|
|
552
|
|
|
} else {
|
|
553
|
|
|
$statement->addError($this->handle->errno, $this->handle->error);
|
|
554
|
|
|
}
|
|
555
|
|
|
|
|
556
|
|
|
return $rows;
|
|
557
|
|
|
}
|
|
558
|
|
|
|
|
559
|
|
|
//--------------------------------------------------------------------
|
|
560
|
|
|
|
|
561
|
|
|
/**
|
|
562
|
|
|
* Connection::platformTransactionBeginHandler
|
|
563
|
|
|
*
|
|
564
|
|
|
* Platform beginning a transaction handler.
|
|
565
|
|
|
*
|
|
566
|
|
|
* @return bool
|
|
567
|
|
|
*/
|
|
568
|
|
|
protected function platformTransactionBeginHandler()
|
|
569
|
|
|
{
|
|
570
|
|
|
if ($this->transactionInProgress === false) {
|
|
571
|
|
|
// Begin transaction using autocommit function set to false
|
|
572
|
|
|
$this->handle->autocommit(false);
|
|
573
|
|
|
|
|
574
|
|
|
// Flag for there is a transaction progress
|
|
575
|
|
|
$this->transactionInProgress = true;
|
|
576
|
|
|
|
|
577
|
|
|
// Flag for error checking
|
|
578
|
|
|
$this->transactionStatus = true;
|
|
579
|
|
|
}
|
|
580
|
|
|
|
|
581
|
|
|
|
|
582
|
|
|
return $this->transactionInProgress;
|
|
583
|
|
|
}
|
|
584
|
|
|
|
|
585
|
|
|
// ------------------------------------------------------------------------
|
|
586
|
|
|
|
|
587
|
|
|
/**
|
|
588
|
|
|
* Connection::platformTransactionCommitHandler
|
|
589
|
|
|
*
|
|
590
|
|
|
* Platform committing a transaction handler.
|
|
591
|
|
|
*
|
|
592
|
|
|
* @return bool
|
|
593
|
|
|
*/
|
|
594
|
|
|
protected function platformTransactionCommitHandler()
|
|
595
|
|
|
{
|
|
596
|
|
|
if ($this->transactionStatus === true) {
|
|
597
|
|
|
$this->handle->commit();
|
|
598
|
|
|
$this->handle->autocommit(true);
|
|
599
|
|
|
$this->transactionInProgress = false;
|
|
600
|
|
|
|
|
601
|
|
|
return true;
|
|
602
|
|
|
}
|
|
603
|
|
|
|
|
604
|
|
|
return false;
|
|
605
|
|
|
}
|
|
606
|
|
|
|
|
607
|
|
|
// ------------------------------------------------------------------------
|
|
608
|
|
|
|
|
609
|
|
|
/**
|
|
610
|
|
|
* Connection::platformTransactionRollBackHandler
|
|
611
|
|
|
*
|
|
612
|
|
|
* Platform rolling back a transaction handler.
|
|
613
|
|
|
*
|
|
614
|
|
|
* @return void
|
|
615
|
|
|
*/
|
|
616
|
|
|
protected function platformTransactionRollBackHandler()
|
|
617
|
|
|
{
|
|
618
|
|
|
$this->handle->rollback();
|
|
619
|
|
|
$this->transactionInProgress = false;
|
|
620
|
|
|
$this->handle->autocommit(true);
|
|
621
|
|
|
}
|
|
622
|
|
|
|
|
623
|
|
|
// ------------------------------------------------------------------------
|
|
624
|
|
|
|
|
625
|
|
|
/**
|
|
626
|
|
|
* Connection::prepareSqlStatement
|
|
627
|
|
|
*
|
|
628
|
|
|
* Platform preparing a Sql statement.
|
|
629
|
|
|
*
|
|
630
|
|
|
* @param string $sqlStatement Sql Statement to be prepared.
|
|
631
|
|
|
* @param array $options Preparing Sql statement options.
|
|
632
|
|
|
*
|
|
633
|
|
|
* @return string
|
|
634
|
|
|
*/
|
|
635
|
|
|
protected function platformPrepareSqlStatement($sqlStatement, array $options = [])
|
|
636
|
|
|
{
|
|
637
|
|
|
// mysqli_affected_rows() returns 0 for "DELETE FROM TABLE" queries. This hack
|
|
638
|
|
|
// modifies the query so that it a proper number of affected rows is returned.
|
|
639
|
|
|
if ($this->isDeleteHack === true && preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sqlStatement)) {
|
|
640
|
|
|
return trim($sqlStatement) . ' WHERE 1=1';
|
|
641
|
|
|
}
|
|
642
|
|
|
|
|
643
|
|
|
return $sqlStatement;
|
|
644
|
|
|
}
|
|
645
|
|
|
|
|
646
|
|
|
// ------------------------------------------------------------------------
|
|
647
|
|
|
|
|
648
|
|
|
/**
|
|
649
|
|
|
* Connection::platformEscapeStringHandler
|
|
650
|
|
|
*
|
|
651
|
|
|
* Platform escape string handler.
|
|
652
|
|
|
*
|
|
653
|
|
|
* @param string $string
|
|
654
|
|
|
*
|
|
655
|
|
|
* @return string
|
|
656
|
|
|
*/
|
|
657
|
|
|
protected function platformEscapeStringHandler($string)
|
|
658
|
|
|
{
|
|
659
|
|
|
return $this->handle->real_escape_string($string);
|
|
660
|
|
|
}
|
|
661
|
|
|
}
|
|
662
|
|
|
|
o2system /
database
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