Assigns the pdostatement object to this object.
| public PDOStatement ( PDOStatement &$PDOStatement = false ) | ||
| $PDOStatement | PDOStatement | The PDO Statement Object being assigned. |
/**
* Executes a string of SQL. Returns a @@DataSet object. This is an override
* method because of SQL Server's lack of a LIMIT clause.
*
* @param string $Sql A string of SQL to be executed.
*/
public function Query($Sql)
{
if ($Sql == '') {
trigger_error(ErrorMessage('Database was queried with an empty string.', $this->ClassName, 'Query'), E_USER_ERROR);
}
// Make sure that we don't need to wipe out the pdo statement (and related named parameters)
if ($this->_PDOStatement !== FALSE && $Sql != $this->_PDOStatement->queryString) {
// echo '<div>Existing: '.$this->_PDOStatement->queryString.'</div>';
// echo '<div>New: '.$Sql.'</div>';
$this->_ResetPDOStatement();
}
// Save the query for debugging
$this->Queries[] = $Sql;
// Start the Query Timer
$TimeStart = list($sm, $ss) = explode(' ', microtime());
// Run the Query
if (count($this->_NamedParameters) > 0) {
if ($this->_PDOStatement === FALSE) {
$this->_PDOStatement = $this->Connection()->prepare($Sql);
}
$this->_PDOStatement->execute($this->_NamedParameters);
} else {
$this->_PDOStatement = $this->Connection()->query($Sql);
}
if ($this->_PDOStatement === FALSE) {
$Error = $this->Connection()->errorInfo();
trigger_error(ErrorMessage($Error[2], $this->ClassName, 'Query', $Sql), E_USER_ERROR);
}
// Aggregate the query times
$TimeEnd = list($em, $es) = explode(' ', microtime());
$this->_ExecutionTime += $em + $es - ($sm + $ss);
$this->QueryTimes[] = $em + $es - ($sm + $ss);
// Did this query modify data in any way?
if (preg_match('/^\\s*"?(insert|update|delete|replace|create|drop|load data|copy|alter|grant|revoke|lock|unlock)\\s+/i', $Sql)) {
return TRUE;
}
// Dispose of unneeded rows
$i = 0;
while ($i < $this->_Offset && $this->_PDOStatement->fetch()) {
++$i;
}
// Set the limit back to 0
$this->_Offset = 0;
// Create a DataSet to manage the resultset
$ResultSet = new Gdn_DataSet();
$ResultSet->Connection =& $this->_Connection;
// Not using $this->Connection() because we know for a fact that the connection was created a few lines above.
$ResultSet->PDOStatement($this->_PDOStatement);
return $ResultSet;
}
