public function StatementPrefetch::execute

Executes a prepared statement.

Parameters

$args: An array of values with as many elements as there are bound parameters in the SQL statement being executed.

$options: An array of options for this query.

Return value

TRUE on success, or FALSE on failure.

Overrides StatementInterface::execute

File

drupal/core/lib/Drupal/Core/Database/StatementPrefetch.php, line 151

Definition of Drupal\Core\Database\StatementPrefetch

Class

StatementPrefetch

An implementation of StatementInterface that prefetches all data.

Namespace

Code

public function execute($args = array(), $options = array()) {
  if (isset($options['fetch'])) {
    if (is_string($options['fetch'])) {

      // Default to an object. Note: db fields will be added to the object
      // before the constructor is run. If you need to assign fields after
      // the constructor is run, see http://drupal.org/node/315092.
      $this
        ->setFetchMode(PDO::FETCH_CLASS, $options['fetch']);
    }
    else {
      $this
        ->setFetchMode($options['fetch']);
    }
  }
  $logger = $this->connection
    ->getLogger();
  if (!empty($logger)) {
    $query_start = microtime(TRUE);
  }

  // Prepare the query.
  $statement = $this
    ->getStatement($this->queryString, $args);
  if (!$statement) {
    $this
      ->throwPDOException();
  }
  $return = $statement
    ->execute($args);
  if (!$return) {
    $this
      ->throwPDOException();
  }

  // Fetch all the data from the reply, in order to release any lock
  // as soon as possible.
  $this->rowCount = $statement
    ->rowCount();
  $this->data = $statement
    ->fetchAll(PDO::FETCH_ASSOC);

  // Destroy the statement as soon as possible. See
  // DatabaseConnection_sqlite::PDOPrepare() for explanation.
  unset($statement);
  $this->resultRowCount = count($this->data);
  if ($this->resultRowCount) {
    $this->columnNames = array_keys($this->data[0]);
  }
  else {
    $this->columnNames = array();
  }
  if (!empty($logger)) {
    $query_end = microtime(TRUE);
    $logger
      ->log($this, $args, $query_end - $query_start);
  }

  // Initialize the first row in $this->currentRow.
  $this
    ->next();
  return $return;
}