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references lp:1011983
Merged latest MariaDB development in: bzr merge lp:maria/5.5 => Text conflict in CMakeLists.txt Text conflict in sql/handler.h Text conflict in support-files/CMakeLists.txt 3 conflicts
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@ -3210,13 +3210,42 @@ int select_exists_subselect::send_data(List<Item> &items)
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int select_dumpvar::prepare(List<Item> &list, SELECT_LEX_UNIT *u)
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{
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unit= u;
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List_iterator_fast<my_var> var_li(var_list);
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List_iterator_fast<Item> it(list);
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Item *item;
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my_var *mv;
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Item_func_set_user_var **suv;
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if (var_list.elements != list.elements)
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{
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my_message(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT,
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ER(ER_WRONG_NUMBER_OF_COLUMNS_IN_SELECT), MYF(0));
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return 1;
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}
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}
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/*
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Iterate over the destination variables and mark them as being
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updated in this query.
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We need to do this at JOIN::prepare time to ensure proper
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const detection of Item_func_get_user_var that is determined
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by the presence of Item_func_set_user_vars
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*/
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suv= set_var_items= (Item_func_set_user_var **)
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sql_alloc(sizeof(Item_func_set_user_var *) * list.elements);
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while ((mv= var_li++) && (item= it++))
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{
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if (!mv->local)
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{
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*suv= new Item_func_set_user_var(mv->s, item);
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(*suv)->fix_fields(thd, 0);
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}
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else
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*suv= NULL;
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suv++;
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}
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return 0;
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}
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@ -3536,6 +3565,7 @@ int select_dumpvar::send_data(List<Item> &items)
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List_iterator<Item> it(items);
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Item *item;
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my_var *mv;
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Item_func_set_user_var **suv;
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DBUG_ENTER("select_dumpvar::send_data");
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if (unit->offset_limit_cnt)
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@ -3548,20 +3578,19 @@ int select_dumpvar::send_data(List<Item> &items)
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my_message(ER_TOO_MANY_ROWS, ER(ER_TOO_MANY_ROWS), MYF(0));
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DBUG_RETURN(1);
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}
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while ((mv= var_li++) && (item= it++))
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for (suv= set_var_items; ((mv= var_li++) && (item= it++)); suv++)
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{
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if (mv->local)
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{
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DBUG_ASSERT(!*suv);
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if (thd->spcont->set_variable(thd, mv->offset, &item))
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DBUG_RETURN(1);
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}
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else
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{
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Item_func_set_user_var *suv= new Item_func_set_user_var(mv->s, item);
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if (suv->fix_fields(thd, 0))
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DBUG_RETURN (1);
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suv->save_item_result(item);
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if (suv->update())
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DBUG_ASSERT(*suv);
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(*suv)->save_item_result(item);
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if ((*suv)->update())
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DBUG_RETURN (1);
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}
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}
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