diff --git a/sql/item.cc b/sql/item.cc
index b07d959375b..9cb3a2a3cab 100644
--- a/sql/item.cc
+++ b/sql/item.cc
@@ -7746,8 +7746,8 @@ Item *Item::build_pushable_cond(THD *thd,
       if (new_cond->argument_list()->push_back(fix, thd->mem_root))
         return 0;
     }
-    if (is_fix_needed)
-      new_cond->fix_fields(thd, 0);
+    if (is_fix_needed && new_cond->fix_fields(thd, 0))
+      return 0;
 
     switch (new_cond->argument_list()->elements)
     {
diff --git a/sql/item.h b/sql/item.h
index c8ec16ab836..fe0ab5f3e5c 100644
--- a/sql/item.h
+++ b/sql/item.h
@@ -966,10 +966,6 @@ public:
   {
     return NULL;
   }
-  virtual uint field_flags() const
-  {
-    return 0;
-  }
   const Type_handler *type_handler_for_comparison() const
   {
     return type_handler()->type_handler_for_comparison();
@@ -1684,7 +1680,6 @@ public:
     set field of temporary table for Item which can be switched on temporary
     table during query processing (grouping and so on)
   */
-  virtual void set_result_field(Field *field) {}
   virtual bool is_result_field() { return 0; }
   virtual bool is_json_type() { return false; }
   virtual bool is_bool_literal() const { return false; }
@@ -2966,7 +2961,6 @@ public:
     return table map of the temporary table.
   */
   table_map used_tables() const { return 1; }
-  void set_result_field(Field *field) { result_field= field; }
   bool is_result_field() { return true; }
   void save_in_result_field(bool no_conversions)
   {
@@ -3433,17 +3427,10 @@ public:
   Field *result_field;
   Item_null_result(THD *thd): Item_null(thd), result_field(0) {}
   bool is_result_field() { return result_field != 0; }
-#if MARIADB_VERSION_ID < 100300
   enum_field_types field_type() const
   {
     return result_field->type();
   }
-#else
-  const Type_handler *type_handler() const
-  {
-    return result_field->type_handler();
-  }
-#endif
   Field *create_tmp_field_ex(TABLE *table, Tmp_field_src *src,
                              const Tmp_field_param *param)
   {
diff --git a/sql/sql_lex.cc b/sql/sql_lex.cc
index 779b6d9c3c1..0433bd3a20c 100644
--- a/sql/sql_lex.cc
+++ b/sql/sql_lex.cc
@@ -8018,21 +8018,6 @@ void st_select_lex::pushdown_cond_into_where_clause(THD *thd, Item *cond,
 
   *remaining_cond= cond;
 }
-
-
-Item *LEX::create_item_qualified_asterisk(THD *thd,
-                                          const Lex_ident_sys_st *name)
-{
-  Item *item;
-  if (!(item= new (thd->mem_root) Item_field(thd, current_context(),
-                                             NullS, name->str,
-                                             &star_clex_str)))
-    return NULL;
-  current_select->with_wild++;
-  return item;
-}
-
-
 Item *LEX::make_item_func_call_generic(THD *thd, Lex_ident_cli_st *cdb,
                                        Lex_ident_cli_st *cname, List<Item> *args)
 {
@@ -8067,6 +8052,19 @@ Item *LEX::make_item_func_call_generic(THD *thd, Lex_ident_cli_st *cdb,
 }
 
 
+Item *LEX::create_item_qualified_asterisk(THD *thd,
+                                          const Lex_ident_sys_st *name)
+{
+  Item *item;
+  if (!(item= new (thd->mem_root) Item_field(thd, current_context(),
+                                             NullS, name->str,
+                                             &star_clex_str)))
+    return NULL;
+  current_select->with_wild++;
+  return item;
+}
+
+
 Item *LEX::create_item_qualified_asterisk(THD *thd,
                                           const Lex_ident_sys_st *a,
                                           const Lex_ident_sys_st *b)
diff --git a/sql/sql_select.cc b/sql/sql_select.cc
index fdd890795d9..4efe2892a24 100644
--- a/sql/sql_select.cc
+++ b/sql/sql_select.cc
@@ -1750,7 +1750,7 @@ JOIN::optimize_inner()
     if (select_lex->handle_derived(thd->lex, DT_OPTIMIZE))
       DBUG_RETURN(1);
   }
-     
+
   if (unlikely(thd->is_error()))
   {
     error= 1;
@@ -17280,8 +17280,7 @@ create_tmp_table(THD *thd, TMP_TABLE_PARAM *param, List<Item> &fields,
                          */
                          item->marker == 4  || param->bit_fields_as_long,
                          force_copy_fields);
-
-      if (unlikely(!new_field))
+      if (!new_field)
       {
 	if (unlikely(thd->is_fatal_error))
 	  goto err;				// Got OOM
diff --git a/sql/sql_type.cc b/sql/sql_type.cc
index 07a5fea6551..1bedec8af7a 100644
--- a/sql/sql_type.cc
+++ b/sql/sql_type.cc
@@ -6296,6 +6296,8 @@ bool Type_handler_geometry::
 }
 #endif
 
+/***************************************************************************/
+
 bool Type_handler::Vers_history_point_resolve_unit(THD *thd,
                                                    Vers_history_point *point)
                                                    const
diff --git a/sql/sql_update.cc b/sql/sql_update.cc
index 13019cd4359..e009ca2f5b4 100644
--- a/sql/sql_update.cc
+++ b/sql/sql_update.cc
@@ -2245,11 +2245,11 @@ int multi_update::prepare2(JOIN *join)
       {
         if (item_rowid_table(*it2) != tbl)
           continue;
-        Item *fld= new (thd->mem_root)
-                        Item_field(thd, (*it)->get_tmp_table_field());
+        Item_field *fld= new (thd->mem_root)
+                             Item_field(thd, (*it)->get_tmp_table_field());
         if (!fld)
           return 1;
-        fld->set_result_field((*it2)->get_tmp_table_field());
+        fld->result_field= (*it2)->get_tmp_table_field();
         *it2= fld;
       }
     }
@@ -2636,10 +2636,10 @@ int multi_update::do_updates()
       uint field_num= 0;
       do
       {
-        uchar *ref=
-          ((Field_varstring *) tmp_table->field[field_num])->get_data();  
-        if (unlikely((local_error=
-                      tbl->file->ha_rnd_pos(tbl->record[0], ref))))
+        String rowid;
+        tmp_table->field[field_num]->val_str(&rowid);
+        if (unlikely((local_error= tbl->file->ha_rnd_pos(tbl->record[0],
+                                                         (uchar*)rowid.ptr()))))
         {
           err_table= tbl;
           goto err;