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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_handler.cc
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@ -152,7 +152,7 @@ int mysql_ha_read(THD *thd, TABLE_LIST *tables,
MYF(0),keyinfo->key_parts);
goto err;
}
List_iterator<Item> it_ke(*key_expr);
List_iterator_fast<Item> it_ke(*key_expr);
Item *item;
for (key_len=0 ; (item=it_ke++) ; key_part++)
{