Fix edge case when value to be matched is an array of null values

Author: mpdude

src/Persisters/Entity/BasicEntityPersister.php

@@ -1753,7 +1753,11 @@ public function getSelectConditionStatementSQL($field, $value, $assoc = null, $c
                 $in = $column . ' ' . sprintf(self::$comparisonMap[$comparison], $placeholders);
 
                 if ($nullKeys) {
-                    $selectedColumns[] = sprintf('(%s OR %s IS NULL)', $in, $column);
+                    if ($nonNullValues) {
+                        $selectedColumns[] = sprintf('(%s OR %s IS NULL)', $in, $column);
+                    } else {
+                        $selectedColumns[] = $column . ' IS NULL';
+                    }
                 } else {
                     $selectedColumns[] = $in;
                 }

tests/Tests/ORM/Persisters/BasicEntityPersisterTypeValueSqlTest.php

@@ -133,7 +133,7 @@ public function testSelectConditionStatementNeqNull(): void
     public function testSelectConditionStatementWithMultipleValuesContainingNull(): void
     {
         self::assertEquals(
-            '(t0.id IN (?) OR t0.id IS NULL)',
+            't0.id IS NULL',
             $this->persister->getSelectConditionStatementSQL('id', [null])
         );
 
@@ -146,6 +146,11 @@ public function testSelectConditionStatementWithMultipleValuesContainingNull():
             '(t0.id IN (?) OR t0.id IS NULL)',
             $this->persister->getSelectConditionStatementSQL('id', [123, null])
         );
+
+        self::assertEquals(
+            '(t0.id IN (?, ?) OR t0.id IS NULL)',
+            $this->persister->getSelectConditionStatementSQL('id', [123, null, 234])
+        );
     }
 
     public function testCountCondition(): void