implement #1189

Raphael Petrini · fballiano · commit dafa2baa98d5 · 2022-08-23T22:36:10.000+01:00
diff --git a/app/code/core/Mage/Adminhtml/Block/Widget/Grid.php b/app/code/core/Mage/Adminhtml/Block/Widget/Grid.php
@@ -467,7 +467,11 @@ protected function _addColumnFilterToCollection($column)
             } else {
                 $cond = $column->getFilter()->getCondition();
                 if ($field && isset($cond)) {
-                    $this->getCollection()->addFieldToFilter($field , $cond);
+                    if (in_array('NULL', array_values($cond), true)) {
+                        $this->getCollection()->addFieldToFilter($field, array('null' => true));
+                    } else {
+                        $this->getCollection()->addFieldToFilter($field, $cond);
+                    }
                 }
             }
         }

Original file line number	Diff line number	Diff line change
`@@ -467,7 +467,11 @@ protected function _addColumnFilterToCollection($column)`
`467`	`467`	`} else {`
`468`	`468`	`$cond = $column->getFilter()->getCondition();`
`469`	`469`	`if ($field && isset($cond)) {`
`470`		`- $this->getCollection()->addFieldToFilter($field , $cond);`
	`470`	`+ if (in_array('NULL', array_values($cond), true)) {`
	`471`	`+ $this->getCollection()->addFieldToFilter($field, array('null' => true));`
	`472`	`+ } else {`
	`473`	`+ $this->getCollection()->addFieldToFilter($field, $cond);`
	`474`	`+ }`
`471`	`475`	`}`
`472`	`476`	`}`
`473`	`477`	`}`