function DatabaseConnection_mysql::setPrefix

}

Overrides DatabaseConnection::setPrefix

File

includes/database/mysql/database.inc, line 390

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;
        }
    }
}