/**
* Implements QueryConditionInterface::isNull().
*/
public function isNull($field)
{
$this->condition->isNull($field);
return $this;
}
public function execute()
{
if (!empty($this->queryOptions['sqlite_return_matched_rows'])) {
return parent::execute();
}
// Get the fields used in the update query, and remove those that are already
// in the condition.
$fields = $this->expressionFields + $this->fields;
$this->removeFieldsInCondition($fields, $this->condition);
// Add the inverse of the fields to the condition.
$condition = new DatabaseCondition('OR');
foreach ($fields as $field => $data) {
if (is_array($data)) {
// The field is an expression.
$condition->where($field . ' <> ' . $data['expression']);
$condition->isNull($field);
} elseif (!isset($data)) {
// The field will be set to NULL.
$condition->isNull($field);
} else {
$condition->condition($field, $data, '<>');
$condition->isNull($field);
}
}
if (count($condition)) {
$condition->compile($this->connection, $this);
$this->condition->where((string) $condition, $condition->arguments());
}
return parent::execute();
}
public function havingIsNull($field)
{
$this->having->isNull($field);
return $this;
}
