diff --git a/source/Ice/Core/QueryBuilder.php b/source/Ice/Core/QueryBuilder.php
index 7acdcc22..b6579043 100644
--- a/source/Ice/Core/QueryBuilder.php
+++ b/source/Ice/Core/QueryBuilder.php
@@ -448,6 +448,81 @@ public function getModelClass()
         return $this->modelClass;
     }
 
+    /**
+     * Return table alias for model class for query
+     *
+     * @return Model|string
+     *
+     * @author dp <denis.a.shestakov@gmail.com>
+     *
+     * @version 0.0
+     * @since   0.0
+     */
+    public function getTableAlias()
+    {
+        return $this->tableAlias;
+    }
+
+    /**
+     * Set in query part where expression 'in (?)'
+     *
+     * @param  $fieldName
+     * @param array $fieldValue
+     * @param array $modelTableData
+     * @param string $sqlLogical
+     * @param bool $isUse
+     * @return QueryBuilder
+     * @throws Exception
+     * @author dp <denis.a.shestakov@gmail.com>
+     *
+     * @version 1.13
+     * @since   0.0
+     */
+    public function in($fieldName, $fieldValue, $modelTableData = [], $sqlLogical = QueryBuilder::SQL_LOGICAL_AND, $isUse = true)
+    {
+        if (empty($fieldValue)) {
+            $fieldValue = [0];
+        }
+
+        return $this->where(
+            [$fieldName => $fieldValue],
+            $modelTableData,
+            QueryBuilder::SQL_COMPARISON_KEYWORD_IN,
+            $sqlLogical,
+            $isUse
+        );
+    }
+
+    /**
+     * Set in query part where expression 'not in (?)'
+     *
+     * @param  $fieldName
+     * @param array $fieldValue
+     * @param array $modelTableData
+     * @param string $sqlLogical
+     * @param bool $isUse
+     * @return QueryBuilder
+     * @throws Exception
+     * @author dp <denis.a.shestakov@gmail.com>
+     *
+     * @version 1.3
+     * @since   0.0
+     */
+    public function notIn($fieldName, array $fieldValue, $modelTableData = [], $sqlLogical = QueryBuilder::SQL_LOGICAL_AND, $isUse = true)
+    {
+        if (empty($fieldValue)) {
+            $fieldValue = [0];
+        }
+
+        return $this->where(
+            [$fieldName => $fieldValue],
+            $modelTableData,
+            QueryBuilder::SQL_COMPARISON_KEYWORD_NOT_IN,
+            $sqlLogical,
+            $isUse
+        );
+    }
+
     /**
      * Append cache validate or invalidate tags for this query builder
      *
@@ -837,36 +912,6 @@ public function ne($fieldName, $fieldValue, $modelTableData = [], $sqlLogical =
         );
     }
 
-    /**
-     * Set in query part where expression 'not in (?)'
-     *
-     * @param  $fieldName
-     * @param array $fieldValue
-     * @param array $modelTableData
-     * @param string $sqlLogical
-     * @param bool $isUse
-     * @return QueryBuilder
-     * @throws Exception
-     * @author dp <denis.a.shestakov@gmail.com>
-     *
-     * @version 1.3
-     * @since   0.0
-     */
-    public function notIn($fieldName, array $fieldValue, $modelTableData = [], $sqlLogical = QueryBuilder::SQL_LOGICAL_AND, $isUse = true)
-    {
-        if (empty($fieldValue)) {
-            $fieldValue = [0];
-        }
-
-        return $this->where(
-            [$fieldName => $fieldValue],
-            $modelTableData,
-            QueryBuilder::SQL_COMPARISON_KEYWORD_NOT_IN,
-            $sqlLogical,
-            $isUse
-        );
-    }
-
     /**
      * Set in query part where expression '== 1' is boolean true(1)
      *
@@ -1105,21 +1150,6 @@ private function join($joinType, $modelTableData, $condition = null)
         return $this;
     }
 
-    /**
-     * Return table alias for model class for query
-     *
-     * @return Model|string
-     *
-     * @author dp <denis.a.shestakov@gmail.com>
-     *
-     * @version 0.0
-     * @since   0.0
-     */
-    public function getTableAlias()
-    {
-        return $this->tableAlias;
-    }
-
     /**
      * @param $joinType
      * @param Model $modelTableData
@@ -1311,6 +1341,11 @@ private function addJoin($joinType, $modelTableData, array $joins)
         return false;
     }
 
+    public function getBindParts()
+    {
+        return $this->bindParts;
+    }
+
     /**
      * Prepare select query part
      *
@@ -1420,11 +1455,6 @@ public function select($fieldName, $fieldAlias = null, $modelTableData = [], $is
         return $this;
     }
 
-    public function getBindParts()
-    {
-        return $this->bindParts;
-    }
-
     /**
      * Return query result for select query
      *
@@ -1753,36 +1783,6 @@ public function inPk(array $value, $modelTableData = [], $sqlLogical = QueryBuil
         return $this->in(reset($pkFieldNames), $value, $modelTableData, $sqlLogical);
     }
 
-    /**
-     * Set in query part where expression 'in (?)'
-     *
-     * @param  $fieldName
-     * @param array $fieldValue
-     * @param array $modelTableData
-     * @param string $sqlLogical
-     * @param bool $isUse
-     * @return QueryBuilder
-     * @throws Exception
-     * @author dp <denis.a.shestakov@gmail.com>
-     *
-     * @version 1.13
-     * @since   0.0
-     */
-    public function in($fieldName, $fieldValue, $modelTableData = [], $sqlLogical = QueryBuilder::SQL_LOGICAL_AND, $isUse = true)
-    {
-        if (empty($fieldValue)) {
-            $fieldValue = [0];
-        }
-
-        return $this->where(
-            [$fieldName => $fieldValue],
-            $modelTableData,
-            QueryBuilder::SQL_COMPARISON_KEYWORD_IN,
-            $sqlLogical,
-            $isUse
-        );
-    }
-
     /**
      * Set flag of get count rows
      *
@@ -2173,11 +2173,6 @@ public function afterSelect($trigger, $params = [], $modelClass = null, $isUse =
         return $this->addTrigger('afterSelect', $trigger, $params, $modelClass, $isUse);
     }
 
-    public function afterSelectCallback($callback, $params = [], $modelClass = null, $isUse = true)
-    {
-        return $this->addTrigger('afterSelect', $callback, $params, $modelClass, $isUse);
-    }
-
     private function addTrigger($type, $trigger, $params, $modelClass, $isUse)
     {
         if (!$isUse) {
@@ -2195,6 +2190,11 @@ private function addTrigger($type, $trigger, $params, $modelClass, $isUse)
         return $this;
     }
 
+    public function afterSelectCallback($callback, $params = [], $modelClass = null, $isUse = true)
+    {
+        return $this->addTrigger('afterSelect', $callback, $params, $modelClass, $isUse);
+    }
+
     public function beforeSelect($trigger, $params = [], $modelClass = null, $isUse = true)
     {
         return $this->addTrigger('beforeSelect', $trigger, $params, $modelClass, $isUse);
@@ -2452,7 +2452,10 @@ public function func($funcName, $argumentString, $modelTableData = [])
 
         $this->select(
             ($fieldName ? strtoupper($fieldName) : '') . '(' .
-            (isset($fieldColumns[$argumentString]) ? $tableAlias . '.' . $fieldColumns[$argumentString] : $argumentString) .
+            (isset($fieldColumns[$argumentString])
+                ? $tableAlias . '.' . $fieldColumns[$argumentString]
+                : ($argumentString === '' ? '""' : $argumentString)
+            ) .
             ')',
             $fieldAlias,
             $modelTableData
diff --git a/source/Ice/Helper/Type/Array.php b/source/Ice/Helper/Type/Array.php
index 553b87d1..a3a1f120 100644
--- a/source/Ice/Helper/Type/Array.php
+++ b/source/Ice/Helper/Type/Array.php
@@ -290,6 +290,9 @@ public static function diffKey(array $old, array $new, $onlyChanges = false)
      */
     public static function diff($old, $new, $onlyChanges = false)
     {
+        $old = array_filter($old); // пока так, кому надо -
+        $new = array_filter($new); // реализует сравнение null-ов )
+
         $diff = [
             'added' => [],
             'deleted' => []