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Issue #1371256 by ayelet_Cr, oriol_e9g: Document that QueryConditionInterface::condition() should not be used to add NULL conditions.

merge-requests/26/head
webchick 2011-12-24 17:23:52 -08:00
parent 1e126deba8
commit 9a519b179f
1 changed files with 6 additions and 0 deletions
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6
includes/database/query.inc
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@ -22,6 +22,9 @@ interface QueryConditionInterface {
* parameters, they are taken as $field and $value with $operator having a * parameters, they are taken as $field and $value with $operator having a
* value of IN if $value is an array and = otherwise. * value of IN if $value is an array and = otherwise.
* *
* Do not use this method to test for NULL values. Instead, use
* QueryConditionInterface::isNull() or QueryConditionInterface::isNotNull().
*
* @param $field * @param $field
* The name of the field to check. If you would like to add a more complex * The name of the field to check. If you would like to add a more complex
* condition involving operators or functions, use where(). * condition involving operators or functions, use where().
@ -36,6 +39,9 @@ interface QueryConditionInterface {
* *
* @return QueryConditionInterface * @return QueryConditionInterface
* The called object. * The called object.
*
* @see QueryConditionInterface::isNull()
* @see QueryConditionInterface::isNotNull()
*/ */
public function condition($field, $value = NULL, $operator = NULL); public function condition($field, $value = NULL, $operator = NULL);