function Connection::__construct

Overrides Connection::__construct

File

core/modules/mysqli/src/Driver/Database/mysqli/Connection.php, line 25

Class

Connection

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

Namespace

Code

public function __construct(\mysqli $connection, array $connectionOptions = []) {
  // 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
  $ansiQuotesModes = [
    'ANSI_QUOTES',
    'ANSI',
  ];
  $isAnsiQuotesMode = FALSE;
  if (isset($connectionOptions['init_commands']['sql_mode'])) {
    foreach ($ansiQuotesModes as $mode) {
      // None of the modes in $ansiQuotesModes are substrings of other modes
      // that are not in $ansiQuotesModes, so a simple stripos() does not
      // return false positives.
      if (stripos($connectionOptions['init_commands']['sql_mode'], $mode) !== FALSE) {
        $isAnsiQuotesMode = TRUE;
        break;

      }
    }
  }
  if ($this->identifierQuotes === [
    '"',
    '"',
  ] && !$isAnsiQuotesMode) {
    $this->identifierQuotes = [
      '`',
      '`',
    ];
  }
  BaseConnection::__construct($connection, $connectionOptions);
}