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240 commits

Author SHA1 Message Date
bell@sanja.is.com.ua
b99d13582b Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1 
into sanja.is.com.ua:/home/bell/mysql/bk/work-derived2-4.1
 2004-02-09 12:10:12 +02:00
bell@sanja.is.com.ua
2a9cd37cd6 now all tables of query are locked in one place (including derived tables) 
fixed BUG#2120 and other problem with EXPLAINing derived tables
 2004-02-01 15:30:32 +02:00
ram@gw.mysql.r18.ru
6fab168a63 fix for the bug #2419: order by ignores rows. 
null_ref_key moved to TABLE_REF.
new null range created if necessary.
 2004-01-31 10:04:16 +04:00
igor@rurik.mysql.com
c236568ac9 Auto Merge 2003-12-23 02:24:12 -08:00
sergefp@mysql.com
60563049e9 Merge mysql.com:/home/psergey/mysql-5.0-latest-pull 
into mysql.com:/home/psergey/mysql-5.0-imerge-unique
 2003-12-09 23:41:25 +03:00
igor@rurik.mysql.com
e235d796c9 Merge 2003-12-01 18:47:19 -08:00
pem@mysql.com
6e717133c5 Merge 4.1 to 5.0 2003-12-01 16:14:40 +01:00
monty@mysql.com
ede8169d24 Added missing SSL library (Should be in source distribution) 
Fixed compiler warnings (a lot of hidden variables detected by the Forte compiler)
Added a lot of 'version_xxx' strings to 'show variables'
Prevent copying of TMP_TABLE_PARAM (This caused core dump bug on Solaris)
Fixed problem with printing sub selects to debug log
 2003-11-28 12:18:13 +02:00
igor@rurik.mysql.com
be27811faa Post-merge after itroducing Item_equal 2003-11-26 17:54:20 -08:00
igor@rurik.mysql.com
3938ac5436 This ChangeSet Introdices Item_equal. 
The objects of this class represent multiple conjunctive equalities
in where conditions: =(f1,f2,...fn) <=> f1=f2 and f2= ... and =fn.
The objects are used to generate new possibale paths to access
the tables when executing a query.
They are also used to optimize the execution plan 
chosen by the optimizer for the query.
 2003-11-26 17:23:52 -08:00
sergefp@mysql.com
5f9718adfb Merging index_merge/Unique into 5.0 2003-11-23 15:17:46 +03:00
bell@sanja.is.com.ua
7191ea0ae3 Fixed UNION fields type/length detecting 2003-11-23 02:01:15 +02:00
sergefp@mysql.com
4f721196f3 Post-merge fixes 2003-11-22 00:20:48 +03:00
monty@mysql.com
8aeb63dd3b Update VC++ files 
Portability fixes
After merge fixes
 2003-11-21 01:53:01 +02:00
sergefp@mysql.com
30b3c3bf1b Merged, most likely needs post-merge fix 2003-11-21 00:27:54 +03:00
sergefp@mysql.com
1c61a92ba7 index_merge implementation using Unique class, to be merged into 5.0 2003-11-19 00:37:17 +03:00
psergey@psergey.(none)
4894565432 merging in index_merge (in progress, not yet working) 2003-11-13 22:14:37 +03:00
psergey@psergey.(none)
ca6c4cc30b Added index_merge access method 2003-11-13 17:52:02 +03:00
bell@sanja.is.com.ua
e025adb403 Merge 2003-11-03 08:47:27 +02:00
bell@sanja.is.com.ua
33f6f72979 join_free now is method of JOIN and commented 
dependence should mean uncacheability
 2003-11-02 16:31:22 +02:00
bell@sanja.is.com.ua
dba82596aa merge 2003-10-31 23:03:27 +02:00
bell@sanja.is.com.ua
0747324ede merge 2003-10-31 22:14:49 +02:00
serg@serg.mylan
b1f5a03685 Merge bk-internal:/home/bk/mysql-4.1/ 
into serg.mylan:/usr/home/serg/Abk/mysql-4.1
 2003-10-31 14:25:38 +01:00
ram@gw.mysql.r18.ru
90ffe1be00 WL #1056: Eliminate NOT operators from where condition 2003-10-31 13:02:16 +04:00
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
serg@serg.mylan
8cc3951c8f key_map with more that 64 bits width 2003-10-11 13:06:55 +02:00
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@sanja.is.com.ua
46b8c3ea8b renamed join_types (as was suggested by Peter Gulutzan) 2003-09-14 09:40:57 +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
bell@sanja.is.com.ua
758129279f Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1 
into sanja.is.com.ua:/home/bell/mysql/bk/work-simple_in-4.1
 2003-08-13 10:12:41 +03:00
bell@sanja.is.com.ua
b6a8d68ae4 fixed problem with reference on derived table fields (BUG#1031) 2003-08-12 15:04:49 +03:00
bell@sanja.is.com.ua
7e34954b5e new optimisation for ref_null (SCRUM) (WL#818) 2003-07-17 19:39:31 +03:00
serg@serg.mylan
da5a81cf1f cut&paste fixed 2003-07-15 15:20:22 +02:00
bell@sanja.is.com.ua
8279740af4 new IN subquery engine added for simple IN with non-primary index but without NULL returning 
(SCRUM) (part of WL#818)
 2003-07-08 00:08:00 +03:00
bell@sanja.is.com.ua
acece34bce 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
 2003-07-07 18:51:14 +03:00
bell@sanja.is.com.ua
5c836428eb merge 2003-07-07 18:49:54 +03:00
bell@sanja.is.com.ua
6348e63f62 Optimisation if simple IN subselect with primary index 
(SCRUM) (part of WL#818)
 2003-07-07 18:40:19 +03:00
bell@sanja.is.com.ua
bfc70eb9c9 fixed subselect with to temporary tables executing 
(now it return correct results. Test was commited before, but it is not pushed,
BUG# is not registered, because bug was introduced after release)
 2003-07-07 00:45:51 +03:00
bell@sanja.is.com.ua
7b450a4fda avoiding of allocating JOIN structure on every UNION executing 
(SCRUM)
 2003-07-05 17:21:39 +03:00
bell@sanja.is.com.ua
b6f39d22e5 Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.1 
into sanja.is.com.ua:/home/bell/mysql/bk/work-alloc_group-4.1
 2003-07-01 19:48:31 +03:00
bell@sanja.is.com.ua
791ae8d34d merge 2003-07-01 13:57:46 +03:00
monty@mashka.mysql.fi
dbebed97e4 Remove FORCE_INIT_OF_VARS when compiling for valgrind/purify to spot wrong LINT_INIT() options 
Fixed bug in ALTER TABLE ... MODIFY integer-column
Added ref_or_null optimization (needed for subqueries)
 2003-06-30 13:23:54 +03:00
monty@narttu.mysql.fi
23145cfed7 Added SQLSTATE to client/server protocol 
bmove_allign -> bmove_align
Added OLAP function ROLLUP
Split mysql_fix_privilege_tables to a script and a .sql data file
Added new (MEMROOT*) functions to avoid calling current_thd() when creating some common objects.
Added table_alias_charset, for easier --lower-case-table-name handling
Better SQL_MODE handling (Setting complex options also sets sub options)
New (faster) assembler string functions for x86
 2003-06-04 18:28:51 +03:00
bell@sanja.is.com.ua
98ffed1808 priventing allocation unused Item_buff (alloc_group_fields()) 2003-05-30 22:14:52 +03:00
Sinisa@sinisa.nasamreza.org
3ca1a152eb Making a better fix for double released pointers and safe 
TMP_TABLE_PARAM.
This involved moving things around in include files.
All tests, including the ones with Valgrind passed.
 2003-04-26 15:12:14 +03:00
serg@serg.mysql.com
15ff383e20 Merge bk-internal:/home/bk/mysql-4.1/ 
into serg.mysql.com:/usr/home/serg/Abk/mysql-4.1
 2003-03-14 20:25:50 +01:00
serg@serg.mysql.com
9749ece292 cleanup 2003-03-14 20:22:06 +01:00
Sinisa@sinisa.nasamreza.org
ffa8a47b6d three bug fixes and major code cleanup 2003-03-06 17:02:10 +02:00
monty@mashka.mysql.fi
023d6dd39b Merge with 4.0.11 2003-02-04 21:52:14 +02:00
bell@sanja.is.com.ua
62902a3b4b after-review changes (577 SCRUM) 2003-02-02 23:30:01 +02:00