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Fix UNION

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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
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2
sql/sql_table.cc
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@ -669,7 +669,7 @@ TABLE *create_table_from_items(THD *thd, HA_CREATE_INFO *create_info,
DBUG_ENTER("create_table_from_items");
/* Add selected items to field list */
List_iterator<Item> it(*items);
List_iterator_fast<Item> it(*items);
Item *item;
Field *tmp_field;
tmp_table.db_create_options=0;