Commit graph

343 commits

Author SHA1 Message Date
bell@sanja.is.com.ua
6457b89948 added check of cardinality to IN/ALL/ANY subquery transformer
(BUG#1638)
2003-10-23 23:54:21 +03:00
bell@sanja.is.com.ua
4e1920762a Merge 2003-10-23 23:06:43 +03:00
bell@sanja.is.com.ua
faea7e0144 Merge 2003-10-23 21:26:06 +03:00
bell@sanja.is.com.ua
5fb30467ee Merge 2003-10-23 21:09:40 +03:00
bell@sanja.is.com.ua
934fa2a104 Merge 2003-10-22 20:52:47 +03:00
pem@mysql.com
337238b78a Merging 4.1->5.0 2003-10-22 16:10:22 +02:00
bell@sanja.is.com.ua
9d294b869e correct table name assigned to temporary table field:
- correct table name shown in EXPLAIN Iindex reference)
 - pointer on freed memmory (reallocation of table name in reusing table entry) can't be used in EXPLAIN
(BUG#1584)
2003-10-19 14:25:33 +03:00
bell@sanja.is.com.ua
2586a56be5 fixed deleting derived table tree after using (BUG#1536) 2003-10-17 15:18:57 +03:00
bell@sanja.is.com.ua
b9dccb34dd fixed support of used_tables() and const_item() in subqueries
(BUG#1444)
2003-10-17 00:36:01 +03:00
bell@sanja.is.com.ua
a7bdd19707 subqueries made printable
new EXPLAIN parameter to show real query as it was interpreted
(SCRUM) (WL#1274)
2003-10-16 15:54:47 +03:00
bell@laptop.sanja.is.com.ua
fa5520fbf8 more resonable errors about name resolving in subqueries (BUG#1483) 2003-10-11 17:41:15 +03:00
bell@laptop.sanja.is.com.ua
99fe76453e samall optimisation (any independent query will not save data for rexecution)
saving/restoring join_tab array (to save it of chnging by create_sort_index() before reexecuting)
(BUG#1523)
2003-10-10 21:49:48 +03:00
bell@laptop.sanja.is.com.ua
afac13d033 Some simple optimisation
= ANY and <> ALL converted to (NOT) IN to get advantage of IN optimisation
2003-10-08 17:40:54 +03:00
bell@laptop.sanja.is.com.ua
381b680868 fixed error handling in SET and DO operators (BUG#1484) 2003-10-08 11:19:09 +03:00
bell@laptop.sanja.is.com.ua
e1b53fdd42 Merge 2003-10-06 20:55:06 +03:00
pem@mysql.com
8d884c02bb Merging 4.1 -> 5.0 2003-09-24 11:29:38 +02:00
bell@sanja.is.com.ua
ea187cfd42 fixed proccesing global LIMIT in last SELECT of UNION 2003-09-14 22:12:55 +03:00
serg@serg.mylan
d4b5b879bd "normal" warning in test suite disabled
bad merge fixed
2003-09-13 16:05:17 +02:00
bell@sanja.is.com.ua
23ad0cfbbb Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1
into sanja.is.com.ua:/home/bell/mysql/bk/work-in-4.1
2003-09-10 09:43:30 +03:00
Sinisa@sinisa.nasamreza.org
5e32805713 Fix for a bug #1226.
Happens when braces are used on a single select, which leads
to the uninitialized global parameters structure.
2003-09-09 15:23:38 +03:00
bell@sanja.is.com.ua
813d81c726 removing additional IN subquery condition
fixed IN optimisation bug
2003-09-08 21:58:09 +03:00
bell@sanja.is.com.ua
a02094ef10 fixed row union processing 2003-09-07 20:35:10 +03:00
bell@laptop.sanja.is.com.ua
3d2a3804a1 reset() split in 2 function clear() & add()
aggregate function reinitialization (if no rows was found) made with help of clear()
(fixed BUG#860)
2003-08-28 03:10:14 +03:00
pem@mysql.com
7f158dd12a Merge 4.1 into 5.0 2003-08-26 11:51:09 +02:00
bell@laptop.sanja.is.com.ua
f77f46d8eb Merge laptop.sanja.is.com.ua:/home/bell/mysql/bk/work-all_any-4.1
into laptop.sanja.is.com.ua:/home/bell/mysql/bk/work-all_any_group-4.1
2003-08-23 13:33:02 +03:00
bell@laptop.sanja.is.com.ua
5553868638 fixed bug of lack of fix_fields call (after merge bugfix (SCRUM))
fixed bug in Item_sum
fixed bug in dependence remover
after merge fix
2003-08-23 13:29:38 +03:00
bell@laptop.sanja.is.com.ua
63fc15ceeb merge 2003-08-21 00:41:08 +03:00
bell@laptop.sanja.is.com.ua
87bb62007b merge 2003-08-20 23:39:17 +03:00
bell@laptop.sanja.is.com.ua
c514948a30 merge 2003-08-20 22:17:57 +03:00
bell@laptop.sanja.is.com.ua
dd9cbce47b merge 2003-08-19 20:14:35 +03:00
monty@mashka.mysql.fi
10c4acfb4f merge 2003-08-19 00:10:21 +03:00
monty@mashka.mysql.fi
4f7512160b After merge fixes
Use server character set if --default-character-set is not used
Added convert_string() for more efficient alloc+character-set convert of strings
2003-08-19 00:08:08 +03:00
bell@sanja.is.com.ua
f1b1f0d742 after merge fix 2003-08-12 18:51:49 +03:00
bell@sanja.is.com.ua
011d905391 merge 2003-08-12 17:48:58 +03:00
bell@sanja.is.com.ua
6ac8e9b93c optimisation of independent ALL/ANY with aggregate function (WL#1115) (SCRUM) 2003-08-12 12:38:03 +03:00
bell@sanja.is.com.ua
b518e93b4a fixed collation of Item_cache family (BUG#951) 2003-08-11 20:48:51 +03:00
bell@sanja.is.com.ua
cbb3a78d8d merge 2003-08-11 12:00:33 +03:00
bell@sanja.is.com.ua
c66cc864e8 merge 2003-08-09 16:53:23 +03:00
bell@sanja.is.com.ua
87c60ca3d6 fixed union unlocking problem (BUG#906) 2003-08-09 14:39:54 +03:00
bell@sanja.is.com.ua
1119ec0e6f Merge sanja.is.com.ua:/home/bell/mysql/bk/work-top3-4.1
into sanja.is.com.ua:/home/bell/mysql/bk/work-simple_in-4.1
2003-08-05 09:58:00 +03:00
bell@sanja.is.com.ua
659650b4ea merge 2003-08-05 09:56:21 +03:00
bell@sanja.is.com.ua
c09d28dd1a merge fix 2003-08-01 19:04:35 +03:00
bell@sanja.is.com.ua
8d0647c6ac merge 2003-08-01 18:24:27 +03:00
bell@sanja.is.com.ua
f59cfa6452 merge 2003-08-01 16:51:54 +03:00
bar@bar.mysql.r18.ru
f8791c3962 Derivation attribute was not processed correctly
by MAX/MIN in some cases:
SELECT coercibility(max(s1)) from t1;

Subselect collation and derivation was not processed
correctly:

create table a select (select s1 from t1);
select * from t1 where s1 = (select s2 from t1);
2003-07-30 14:15:25 +05:00
bell@sanja.is.com.ua
6dea500fb2 prevented finding references in item_list for non-SELECT st_select_lex
(fixed BUG#943)
2003-07-29 16:59:46 +03:00
bell@sanja.is.com.ua
bc1546ce31 count HAVING clause elements with select list elements, because agregate function can be present in it (BUG#922)
removerd unused loop_id
2003-07-29 13:00:32 +03:00
bell@sanja.is.com.ua
ec74bb8d76 independent ALL/ANY subselect on top of WHERE clause (subselect without GROUP BY or aggregate functions) optimisation
(SCRUM) (WL#1086)
2003-07-24 15:26:21 +03:00
bell@sanja.is.com.ua
7e34954b5e new optimisation for ref_null (SCRUM) (WL#818) 2003-07-17 19:39:31 +03:00
pem@mysql.telia.com
035a4629ae A test in subselect.test turned out to be correct after all, a difference between
5.0 and 4.1 (where it fails).
2003-07-10 12:45:34 +02:00