function Connection::__construct

Same name in this branch
  1. 9 core/modules/sqlite/src/Driver/Database/sqlite/Connection.php \Drupal\sqlite\Driver\Database\sqlite\Connection::__construct()
  2. 9 core/modules/pgsql/src/Driver/Database/pgsql/Connection.php \Drupal\pgsql\Driver\Database\pgsql\Connection::__construct()
  3. 9 core/lib/Drupal/Core/Database/Connection.php \Drupal\Core\Database\Connection::__construct()
Same name in other branches
  1. 8.9.x core/modules/system/tests/modules/driver_test/src/Driver/Database/DrivertestMysqlDeprecatedVersion/Connection.php \Drupal\driver_test\Driver\Database\DrivertestMysqlDeprecatedVersion\Connection::__construct()
  2. 8.9.x core/lib/Drupal/Core/Database/Driver/sqlite/Connection.php \Drupal\Core\Database\Driver\sqlite\Connection::__construct()
  3. 8.9.x core/lib/Drupal/Core/Database/Driver/mysql/Connection.php \Drupal\Core\Database\Driver\mysql\Connection::__construct()
  4. 8.9.x core/lib/Drupal/Core/Database/Driver/pgsql/Connection.php \Drupal\Core\Database\Driver\pgsql\Connection::__construct()
  5. 8.9.x core/lib/Drupal/Core/Database/Connection.php \Drupal\Core\Database\Connection::__construct()
  6. 10 core/modules/sqlite/src/Driver/Database/sqlite/Connection.php \Drupal\sqlite\Driver\Database\sqlite\Connection::__construct()
  7. 10 core/modules/mysql/src/Driver/Database/mysql/Connection.php \Drupal\mysql\Driver\Database\mysql\Connection::__construct()
  8. 10 core/modules/pgsql/src/Driver/Database/pgsql/Connection.php \Drupal\pgsql\Driver\Database\pgsql\Connection::__construct()
  9. 10 core/lib/Drupal/Core/Database/Connection.php \Drupal\Core\Database\Connection::__construct()
  10. 11.x core/modules/sqlite/src/Driver/Database/sqlite/Connection.php \Drupal\sqlite\Driver\Database\sqlite\Connection::__construct()
  11. 11.x core/modules/mysql/src/Driver/Database/mysql/Connection.php \Drupal\mysql\Driver\Database\mysql\Connection::__construct()
  12. 11.x core/modules/pgsql/src/Driver/Database/pgsql/Connection.php \Drupal\pgsql\Driver\Database\pgsql\Connection::__construct()
  13. 11.x core/lib/Drupal/Core/Database/Connection.php \Drupal\Core\Database\Connection::__construct()

Overrides Connection::__construct

File

core/modules/mysql/src/Driver/Database/mysql/Connection.php, line 94

Class

Connection
MySQL implementation of \Drupal\Core\Database\Connection.

Namespace

Drupal\mysql\Driver\Database\mysql

Code

public function __construct(\PDO $connection, array $connection_options) {
    // If the SQL mode doesn't include 'ANSI_QUOTES' (explicitly or via a
    // combination mode), then MySQL doesn't interpret a double quote as an
    // identifier quote, in which case use the non-ANSI-standard backtick.
    //
    // Because we still support MySQL 5.7, check for the deprecated combination
    // modes as well.
    //
    // @see https://dev.mysql.com/doc/refman/5.7/en/sql-mode.html#sqlmode_ansi_quotes
    $ansi_quotes_modes = [
        'ANSI_QUOTES',
        'ANSI',
        'DB2',
        'MAXDB',
        'MSSQL',
        'ORACLE',
        'POSTGRESQL',
    ];
    $is_ansi_quotes_mode = FALSE;
    foreach ($ansi_quotes_modes as $mode) {
        // None of the modes in $ansi_quotes_modes are substrings of other modes
        // that are not in $ansi_quotes_modes, so a simple stripos() does not
        // return false positives.
        if (stripos($connection_options['init_commands']['sql_mode'], $mode) !== FALSE) {
            $is_ansi_quotes_mode = TRUE;
            break;
        }
    }
    if ($this->identifierQuotes === [
        '"',
        '"',
    ] && !$is_ansi_quotes_mode) {
        $this->identifierQuotes = [
            '`',
            '`',
        ];
    }
    parent::__construct($connection, $connection_options);
}

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