function Connection::__construct

Same name in this branch

11.1.x vendor/symfony/var-dumper/Server/Connection.php \Symfony\Component\VarDumper\Server\Connection::__construct()
11.1.x core/lib/Drupal/Core/Database/Connection.php \Drupal\Core\Database\Connection::__construct()
11.1.x core/modules/pgsql/src/Driver/Database/pgsql/Connection.php \Drupal\pgsql\Driver\Database\pgsql\Connection::__construct()
11.1.x core/modules/sqlite/src/Driver/Database/sqlite/Connection.php \Drupal\sqlite\Driver\Database\sqlite\Connection::__construct()

Overrides Connection::__construct

File

core/modules/mysql/src/Driver/Database/mysql/Connection.php, line 71

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.
    //
    // @see https://dev.mysql.com/doc/refman/8.0/en/sql-mode.html#sqlmode_ansi_quotes
    $ansi_quotes_modes = [
        'ANSI_QUOTES',
        'ANSI',
    ];
    $is_ansi_quotes_mode = FALSE;
    if (isset($connection_options['init_commands']['sql_mode'])) {
        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);
}