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Fix UNION

New faster list iterators
Change list code to be simpler and faster
Optimize count(distinct)
New error messages for UNION
Make create_tmp_table more general to be usable by UNION
This commit is contained in:
monty@tik.mysql.fi
2001-08-02 06:29:50 +03:00
parent 423f2851c5
commit b13d453d50
57 changed files with 798 additions and 472 deletions

View File

@ -127,7 +127,7 @@ proc_analyse_init(THD *thd, ORDER *param, select_result *result,
pc->f_end = pc->f_info + field_list.elements;
pc->fields = field_list;
List_iterator<Item> it(pc->fields);
List_iterator_fast<Item> it(pc->fields);
f_info = pc->f_info;
Item *item;