class TruncateQuery_sqlite

SQLite specific implementation of TruncateQuery.

SQLite doesn't support TRUNCATE, but a DELETE query with no condition has exactly the effect (it is implemented by DROPing the table).


Expanded class hierarchy of TruncateQuery_sqlite

Related topics


drupal/includes/database/sqlite/, line 128
Query code for SQLite embedded database engine.

View source
class TruncateQuery_sqlite extends TruncateQuery {
  public function __toString() {

    // Create a sanitized comment string to prepend to the query.
    $comments = $this->connection
    return $comments . 'DELETE FROM {' . $this->connection
      ->escapeTable($this->table) . '} ';



Namesort descending Modifiers Type Description Overrides
Query::$comments protected property An array of comments that can be prepended to a query.
Query::$connection protected property The connection object on which to run this query.
Query::$connectionKey protected property The key of the connection object.
Query::$connectionTarget protected property The target of the connection object.
Query::$nextPlaceholder protected property The placeholder counter.
Query::$queryOptions protected property The query options to pass on to the connection object.
Query::$uniqueIdentifier protected property A unique identifier for this query object.
Query::comment public function Adds a comment to the query.
Query::getComments public function Returns a reference to the comments array for the query.
Query::nextPlaceholder public function Gets the next placeholder value for this query object. Overrides QueryPlaceholderInterface::nextPlaceholder
Query::uniqueIdentifier public function Returns a unique identifier for this object. Overrides QueryPlaceholderInterface::uniqueIdentifier
Query::__clone public function Implements the magic __clone function. 1
Query::__sleep public function Implements the magic __sleep function to disconnect from the database.
Query::__wakeup public function Implements the magic __wakeup function to reconnect to the database.
TruncateQuery::$table protected property The table to truncate.
TruncateQuery::compile public function Implements QueryConditionInterface::compile().
TruncateQuery::compiled public function Implements QueryConditionInterface::compiled().
TruncateQuery::execute public function Executes the TRUNCATE query. Overrides Query::execute
TruncateQuery::__construct public function Constructs a TruncateQuery object. Overrides Query::__construct
TruncateQuery_sqlite::__toString public function Implements PHP magic __toString method to convert the query to a string. Overrides TruncateQuery::__toString