Quotes an identifier if it matches a MySQL reserved keyword.

Parameters

string $identifier: The field to check.

Return value

string The identifier, quoted if it matches a MySQL reserved keyword.

2 calls to DatabaseConnection_mysql::quoteIdentifier()

DatabaseConnection_mysql::escapeAlias in includes/database/mysql/database.inc

Escapes an alias name string.

DatabaseConnection_mysql::escapeField in includes/database/mysql/database.inc

Escapes a field name string.

File

includes/database/mysql/database.inc, line 446

Class

DatabaseConnection_mysql

Code

private function quoteIdentifier($identifier) {
 // Quote identifiers so that MySQL reserved words like 'function' can be
 // used as column names. Sometimes the 'table.column_name' format is passed
 // in. For example, menu_load_links() adds a condition on "ml.menu_name".
 if (strpos ($identifier, '.') !== FALSE) {
 list($table, $identifier) = explode ('.', $identifier, 2);
 }
 if (in_array (strtolower ($identifier), $this->reservedKeyWords , TRUE)) {
 // Quote the string for MySQL reserved keywords.
 $quote_char = variable_get ('mysql_identifier_quote_character', MYSQL_IDENTIFIER_QUOTE_CHARACTER_DEFAULT );
 $identifier = $quote_char . $identifier . $quote_char;
 }
 return isset($table) ? $table . '.' . $identifier : $identifier;
}

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