function isNull($field)
{
$this->query->isNull($field);
return $this;
}
/**
* Apply the operator onto the query
*
* @param \SelectQueryInterface $query
* @param string $statement
* @param string $value
*/
protected final function applyOperator(\SelectQueryInterface $query, $statement, $value)
{
// Check if $value contains an operator (i.e. if is associative array)
if (is_array($value) && !Misc::isIndexed($value)) {
// First key will be the operator
$keys = array_keys($value);
$operator = $keys[0];
$value = $value[$operator];
switch ($operator) {
case '<>':
if (is_array($value)) {
$query->condition($statement, $value, 'NOT IN');
} else {
$query->condition($statement, $value, '<>');
}
break;
case 'exists':
$query->exists($value);
break;
case 'in':
$query->condition($statement, $value, 'IN');
break;
default:
$query->condition($statement, $value, $operator);
break;
}
} else {
if (null === $value) {
$query->isNull($statement);
} else {
$query->condition($statement, $value);
}
}
}
