protected function DatabaseConnection_mysql::setPrefix in Drupal 7

}

Overrides DatabaseConnection::setPrefix

File

includes/database/mysql/database.inc, line 385

Database interface code for MySQL database servers.

Class

DatabaseConnection_mysql

Code

protected function setPrefix($prefix) {
  parent::setPrefix($prefix);

  // Successive versions of MySQL have become increasingly strict about the
  // use of reserved keywords as table names. Drupal 7 uses at least one such
  // table (system). Therefore we surround all table names with quotes.
  $quote_char = variable_get('mysql_identifier_quote_character', MYSQL_IDENTIFIER_QUOTE_CHARACTER_DEFAULT);
  foreach ($this->prefixSearch as $i => $prefixSearch) {
    if (substr($prefixSearch, 0, 1) === '{') {

      // If the prefix already contains one or more quotes remove them.
      // This can happen when - for example - DrupalUnitTestCase sets up a
      // "temporary prefixed database". Also if there's a dot in the prefix,
      // wrap it in quotes to cater for schema names in prefixes.
      $search = array(
        $quote_char,
        '.',
      );
      $replace = array(
        '',
        $quote_char . '.' . $quote_char,
      );
      $this->prefixReplace[$i] = $quote_char . str_replace($search, $replace, $this->prefixReplace[$i]);
    }
    if (substr($prefixSearch, -1) === '}') {
      $this->prefixReplace[$i] .= $quote_char;
    }
  }
}