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78 commits

Author SHA1 Message Date
Sinisa@sinisa.nasamreza.org
c027af6459 Fix for a crashing bug in union. 
Parameters for temporary tables were created locally in the function
and it's address passed to a field in select_result, which produced
random errors when MyISAM table was created based on this bogus
address.
 2003-03-29 16:41:01 +02:00
Sinisa@sinisa.nasamreza.org
85fb265c3c Fixing a bug #195 
Fixing UNION's popping up in slow query log
 2003-03-27 16:11:01 +02:00
monty@narttu.mysql.fi
a916a03916 Fixes to avoid errors from valgrind 
Fixed problem with 'wrong packet number' in union
 2003-03-18 11:17:48 +02:00
Sinisa@sinisa.nasamreza.org
ffa8a47b6d three bug fixes and major code cleanup 2003-03-06 17:02:10 +02:00
Sinisa@sinisa.nasamreza.org
bf3dabcce4 Allowing NULL values in UNION's with first SELECT having only NOT NULL 
columns.
 2003-02-22 17:02:36 +02:00
Sinisa@sinisa.nasamreza.org
410cbef6b3 Code clean-up 2003-02-15 16:05:58 +02:00
Sinisa@sinisa.nasamreza.org
5acf83802d fix a bug in derived tables 
UNION's bug fixes and code clean-up
 2003-02-13 17:56:01 +02:00
bell@sanja.is.com.ua
62902a3b4b after-review changes (577 SCRUM) 2003-02-02 23:30:01 +02:00
bell@sanja.is.com.ua
e294751c41 fixed bug in determinating uncacheable queries 
new fatal_error interface to assign is_fatal_error and ne.report_error
commant about Item_row
 2003-01-30 22:15:44 +02:00
bell@sanja.is.com.ua
214036a7f6 improving of fields list creation in derived tables and unions 
fixed length of fields created in fubselect
fixed resolving fields of reduced in derived table subselect
 2003-01-29 19:42:39 +02:00
bell@sanja.is.com.ua
0c5b323d0f fixed bugs in temporary tables in subselect implementation (SCRUM) 
merging with switching on static tables optimization (SCRUM)
fixed subselects with uncacheable results
added test for fixed bugs from bugreports
 2003-01-28 14:48:12 +02:00
bell@sanja.is.com.ua
44d8a8cdab merging 2003-01-25 13:19:46 +02:00
bell@sanja.is.com.ua
d56e23f64e fixed subselects with temporary tables (SCRUM) 
fixed memory leacks
 2003-01-25 02:25:52 +02:00
Sinisa@sinisa.nasamreza.org
672a695f8f bug fixes and tests ... 2002-12-25 15:07:36 +02:00
Sinisa@sinisa.nasamreza.org
ab70ad7c1e Merge sinisa@work.mysql.com:/home/bk/mysql-4.1 
into sinisa.nasamreza.org:/mnt/work/mysql-4.1
 2002-12-14 15:15:23 +02:00
Sinisa@sinisa.nasamreza.org
a918a6a7a9 derived tables with UNION's ... 
Scrum task !!!!!
 2002-12-12 16:09:06 +02:00
bell@sanja.is.com.ua
6db77efb75 merging 2002-12-10 11:41:47 +02:00
Sinisa@sinisa.nasamreza.org
d8b4d6bd26 fix for a bug with UNION in sub-select's and start working on 
UNION's in derived tables
 2002-12-09 20:47:47 +02:00
bell@sanja.is.com.ua
4506ab9ef1 _NEW_ IN/ALL/ANY/SOME behaviour with NULL (SCRUM related) 
optimization of left expression evaluation
more descriptive method name
 2002-12-06 21:55:53 +02:00
monty@mashka.mysql.fi
35ff08c2af After merge fixes 
Added THD to add_to_xxx_list() functions for faster parsing.
 2002-12-06 21:11:27 +02:00
monty@mashka.mysql.fi
859b688476 Merge with 4.0.6 2002-12-05 19:38:42 +02:00
bell@sanja.is.com.ua
c6b48c6f26 fix of error handling 2002-12-01 00:11:22 +02:00
monty@mashka.mysql.fi
6603d75213 New multi-table-update code 
New (simpler) internal timestamp handling.
More debuging to heap tables.
Small cleanups to multi-table-delete
false -> 0 and true -> 1  (We should use TRUE and FALSE)
 2002-11-29 16:40:18 +02:00
bell@sanja.is.com.ua
b8b7d0b03b fixed * without tables in IN bug 
fixed sunction-test select in IN bug
fixed unions in subselect bug
 2002-11-28 19:29:26 +02:00
Sinisa@sinisa.nasamreza.org
b9a671f267 lot's of fixes with test cases 2002-11-18 18:28:51 +02:00
Sinisa@sinisa.nasamreza.org
5a38621cc2 Merge sinisa@work.mysql.com:/home/bk/mysql-4.1 
into sinisa.nasamreza.org:/mnt/work/mysql-4.1
 2002-11-16 14:31:48 +02:00
bell@sanja.is.com.ua
7f4ee30de1 Fixed bugs pointed by "Crash with 'big' derivated table in MySQL-4.1" bugreport 
- fixed switching from heap to MyISAM table
 - fixed error handler
 2002-11-16 00:01:48 +02:00
Sinisa@sinisa.nasamreza.org
014073b013 A fix for the bug when MyISAM tmp table has to be created in order 
to resolve derived table.

Will make a test case for this quite soon.
 2002-11-15 19:58:07 +02:00
bell@sanja.is.com.ua
1f20cf3b42 removed SELECT_LEX_UNIT -> SELECT_LEX pointer conversion (SCRUM) 
fixed some possible bugs
 2002-10-30 13:18:52 +02:00
bell@sanja.is.com.ua
7777d2b819 fixed union rexecution bug 2002-10-27 21:29:40 +02:00
bell@sanja.is.com.ua
c3127c7eb8 code cleanup 
fixed subselect error handling bug
fixed subselect UNION ALL bug
fixed thd->lex.select restoring
explain UNION subselect bug
 2002-10-26 20:18:37 +03:00
Sinisa@sinisa.nasamreza.org
0a242026a8 fix of the small bug in UNION's 2002-10-16 22:27:47 +03:00
monty@narttu.mysql.fi
3c7f6a9835 merge 2002-10-14 12:07:16 +03:00
bell@sanja.is.com.ua
d9f998164d fixed bug of multi-level EXPLAIN 2002-10-13 14:25:16 +03:00
monty@narttu.mysql.fi
da2abaf887 Portability fixes to be able to compile MySQL with VC++ 2002-10-08 22:28:24 +03:00
bell@sanja.is.com.ua
199f667c19 merging 2002-10-04 14:15:59 +03:00
monty@mashka.mysql.fi
0f39457613 Merge with 4.0.4 2002-10-02 17:55:12 +03:00
monty@mashka.mysql.fi
d69250a969 Fixes and code cleanups after merge with 4.0.3 
Warning handling and initial prepared statement handling (last not complete yet)
Changed a lot of functions that returned 0/1 to my_bool type.
GRANT handling now uses read/write locks instead of mutex
Change basic net functions to use THD instead of NET
(needed for 4.1 protocol)
Use my_sprintf instead of sprintf() + strlen()
Added alloc_query() to be able to chare query initialization code with
prepared statements.
Cleanup handling of SHOW COUNT(*) WARNINGS and SELECT LAST_INSERT_ID()

Note that the following test fails (will be fixed ASAP):
sub_select, union, rpl_rotate_logs and rpl_mystery22
 2002-10-02 13:33:08 +03:00
bell@sanja.is.com.ua
46a22a5be7 new EXPLAIN 
fixed bug in mysql-test/create-test-result
fixed bug in union-subselect engine
 2002-09-26 23:08:22 +03:00
monty@mashka.mysql.fi
cb8580a2cd Changed table_list->name -> table_list->alias to find places where we where using alias instead of table_name. 
This should fix some issues where --lower-case-table-names doesn't work properly under windows.
 2002-09-20 14:05:18 +03:00
bell@sanja.is.com.ua
b07aaeb295 subselect with union 
new error handling
Item_ref bug fixed
 2002-09-03 09:50:36 +03:00
monty@narttu.mysql.fi
7134ffec21 Merge with 4.0.3 
Some simple optimzations, more comments and indentation changes.
Add ` around database in 'use database' in binary log.
Moved max_error_count and max_warning_count to variables struct.
Removed SHOW_WARNS_COUNT and SHOW_ERRORS_COUNT calls.
Changed string functions to use character set of first string argument as default return characterset
(Each string function can change the above assumption if needed)
 2002-08-30 12:40:40 +03:00
monty@mashka.mysql.fi
c702a1f8fd Removed wrong implementation of CUBE/ROLLUP 
Fixed bugfix of INSERT ... SET db_name.table_name.column_name
Changed locking to external-locking
Fix client hangup for some invalid SQL queries.
 2002-07-24 19:55:08 +03:00
monty@mashka.mysql.fi
4233d3a3d4 merge 2002-07-23 20:39:36 +03:00
monty@mashka.mysql.fi
dddc20d9d1 New SET syntax & system variables. 
Made a some new buffers thread specific and changeable.
Resize of key_buffer.
AUTO_COMMIT -> AUTOCOMMIT
Fixed mutex bug in DROP DATABASE
Fixed bug when using auto_increment as second part of a key where first part could include NULL.
Split handler->extra() to extra() and extra_opt() to be able to support thread specific buffers.
Don't write message to error log when slave reconnects becasue of timeout.
Fixed possible update problem when using DELETE/UPDATE on small tables
(In some cases we used index even if table scanning would be better)
A lot of minior code cleanups
 2002-07-23 18:31:22 +03:00
Sinisa@sinisa.nasamreza.org
2e8fb546dc OLAP functionality plus some small bug fixes 2002-07-20 14:51:52 +03:00
Sinisa@sinisa.nasamreza.org
c5738005c4 Just making commit in order to stop getting erors. 
Will do a push when it starts working ..
 2002-07-16 22:42:53 +03:00
monty@mashka.mysql.fi
2aecdd1a91 Big code cleanup/review before 4.0.2 release. 
(All commit emails since 4.0.1 checked)
This had to be done now, before the 4.1 tree changes to much, to make it easy to propagate bug fixes to the 4.1 tree.
 2002-06-11 11:20:31 +03:00
bell@sanja.is.com.ua
289ac250af merged 2002-06-05 21:32:22 +03:00
bell@sanja.is.com.ua
ab36838e9b Hiding internal pointers of SELECT_LEX structures 2002-05-27 20:52:54 +03:00