public function QueryConditionInterface::exists
public QueryConditionInterface::exists(SelectQueryInterface $select)
Sets a condition that the specified subquery returns values.
Parameters
SelectQueryInterface $select: The subquery that must contain results.
Return value
QueryConditionInterface The called object.
File
- includes/database/query.inc, line 93
- Non-specific Database query code. Used by all engines.
Class
- QueryConditionInterface
- Interface for a conditional clause in a query.
Code
public function exists(SelectQueryInterface $select);
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