Prepares a query string and returns the prepared statement.

This method caches prepared statements, reusing them when possible. It also prefixes tables names enclosed in curly-braces.

Parameters

$query: The query string as SQL, with curly-braces surrounding the table names.

Return value

DatabaseStatementInterface A PDO prepared statement ready for its execute() method.

2 calls to DatabaseConnection::prepareQuery()

DatabaseConnection::query in includes/database/database.inc

Executes a query string against the database.

DatabaseConnection_pgsql::prepareQuery in includes/database/pgsql/database.inc

Prepares a query string and returns the prepared statement.

2 methods override DatabaseConnection::prepareQuery()

DatabaseConnection_pgsql::prepareQuery in includes/database/pgsql/database.inc

Prepares a query string and returns the prepared statement.

DatabaseConnection_sqlite::prepareQuery in includes/database/sqlite/database.inc

Prepares a query string and returns the prepared statement.

File

includes/database/database.inc, line 540

Class

DatabaseConnection

Base Database API class.

Code

public function prepareQuery($query) {
    $query = $this->prefixTables($query);
    // Call PDO::prepare.
    return $this->connection
        ->prepare($query);
}

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