optimized redis AR insert

extensions/redis/ActiveRecord.php

@@ -120,16 +120,14 @@ class ActiveRecord extends BaseActiveRecord
         $key = static::keyPrefix() . ':a:' . static::buildKey($pk);
         // save attributes
         $setArgs = [$key];
-        $delArgs = [$key];
         foreach ($values as $attribute => $value) {
+            // only insert attributes that are not null
             if ($value !== null) {
                 if (is_bool($value)) {
                     $value = (int)$value;
                 }
                 $setArgs[] = $attribute;
                 $setArgs[] = $value;
-            } else {
-                $delArgs[] = $attribute;
             }
         }
 
@@ -137,10 +135,6 @@ class ActiveRecord extends BaseActiveRecord
             $db->executeCommand('HMSET', $setArgs);
         }
 
-        if (count($delArgs) > 1) {
-            $db->executeCommand('HDEL', $delArgs);
-        }
-
         $changedAttributes = array_fill_keys(array_keys($values), null);
         $this->setOldAttributes($values);
         $this->afterSave(true, $changedAttributes);

extensions/redis/CHANGELOG.md

@@ -4,6 +4,7 @@ Yii Framework 2 redis extension Change Log
 2.0.0-rc under development
 --------------------------
 
+- Bug #1311: Fixed storage and finding of `null` and boolean values (samdark, cebe)
 - Enh #3520: Added `unlinkAll()`-method to active record to remove all records of a model relation (NmDimas, samdark, cebe)
 - Enh #4048: Added `init` event to `ActiveQuery` classes (qiangxue)
 - Enh #4086: changedAttributes of afterSave Event now contain old values (dizews)