function MergeQuery::isNull

Implements QueryConditionInterface::isNull().

Overrides QueryConditionInterface::isNull

File

includes/database/query.inc, line 1553

Class

MergeQuery
General class for an abstracted MERGE query operation.

Code

public function isNull($field) {
    $this->condition
        ->isNull($field);
    return $this;
}

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