/**
* Counts rows from table $tableName matching $selection
* @access private
*
* @param string $tableName
* @param array $selection array( 'columnName' => array( 'columnValue' => 'columnValueType' ) )
* @param boolean $positiveSelect TRUE: select corresponding to selection, FALSE: Select NOT the selection
* @return boolean TRUE: no error, FALSE: error (logged)
*/
function countRows($tableName, &$selection, $positiveSelect)
{
$where = $this->_sqlBuiildSelectionWhere($selection, $positiveSelect);
$sql = 'SELECT COUNT(*) FROM ' . $this->_db->NameQuote($tableName) . "\n WHERE " . $where;
$this->_db->setQuery($sql);
$result = $this->_db->loadResult();
if ($result === null) {
$this->_setError(sprintf('%s::countRows of Table %s Row(s) %s failed with SQL error: %s', get_class($this), $tableName, $where, $this->_db->getErrorMsg()), $sql);
}
return $result;
}
