/**
* {@inheritdoc}
*/
protected function doWalkComparison($fieldName, $operator, $placeholder)
{
switch ($operator) {
case Comparison::IN:
return $this->expr->in($fieldName, $placeholder);
case Comparison::NIN:
return $this->expr->notIn($fieldName, $placeholder);
case Comparison::EQ:
case Comparison::IS:
if ($placeholder === null) {
return $this->expr->isNull($fieldName);
}
return $this->expr->eq($fieldName, $placeholder);
case Comparison::NEQ:
if ($placeholder === null) {
return $this->expr->isNotNull($fieldName);
}
return $this->expr->neq($fieldName, $placeholder);
case Comparison::CONTAINS:
return $this->expr->like($fieldName, $placeholder);
default:
$operator = self::convertComparisonOperator($operator);
if ($operator) {
return $this->expr->comparison($fieldName, $operator, $placeholder);
}
throw new \RuntimeException("Unknown comparison operator: " . $operator);
}
}
/**
* Creates an IS NOT NULL expression with the given arguments.
*
* @param string $x The field in string format to be restricted by IS NOT NULL.
*
* @return string
*/
public function isNotNull($x)
{
$x = $this->helper->quoteColumnName($x);
return $this->expressionBuilder->isNotNull($x);
}
public function testIsNotNull()
{
$this->assertEquals($this->doctrineExpressionBuilder->isNotNull('`test`'), $this->expressionBuilder->isNotNull('test'));
}
