Commit graph

22 commits

Author SHA1 Message Date
monty@narttu.mysql.fi
f6a43bd567 Fixes for valgrind
Added optimzation for clustered index
Fixed bug in UPDATE ... ORDER BY
Fixed handling of UPDATE ... LIMIT
2003-04-23 21:52:16 +03:00
monty@mashka.mysql.fi
689578a099 Fixes for Netware
Call pthread_mutex_destroy() on not used mutex.
Changed comments in .h and .c files from // -> /* */
Added detection of mutex on which one didn't call pthread_mutex_destroy()
Fixed bug in create_tmp_field() which causes a memory overrun in queries that uses "ORDER BY constant_expression"
Added optimisation for ORDER BY NULL
2003-01-28 08:38:28 +02:00
monty@mashka.mysql.fi
7d681c4449 Copy arguments given to mysql_server_init()
Made keybuff_size longlong (To make show variables work similar on 32
and 64 bit systems)
Fixed some 'not initalized variable errors' in multi-table-update.
Fixed memory leak in multi-table-update.
Now all tests works under valgrind without any errors.
2002-12-05 16:38:49 +02:00
monty@hundin.mysql.fi
8830eb4aa9 Change of internal key_field=NULL handling to avoid error messages.
Optimized SELECT DISTINCT ... ORDER BY ... LIMIT
Fixed reference to uninitalized variable
2002-12-03 13:08:25 +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
monty@hundin.mysql.fi
4609e627a5 Increase max package length to 512M for mysql and mysqldump.
Faster 'read_first_row' (Fixes slow 'preparing' state)
Read constant tables earlier, which provides better optimzations when using tables with <=1 row.
This also fixes a complicated bug involving const tables.
2002-01-23 02:52:26 +02:00
monty@tik.mysql.fi
7dd4eb71fe Added support of null keys in HEAP tables
Added ORDER BY optimization
2002-01-12 15:42:54 +02:00
monty@hundin.mysql.fi
b658662ae4 Update copyright
Fixed memory leak on shutdown (Affects the embedded version & MyODBC)
2001-12-06 14:10:51 +02:00
monty@hundin.mysql.fi
1de4fff5ba Update of query cache code.
Changed some sql_alloc() -> thd->alloc()
Removed a lot of compiler warnings on Linux Alpha (64 bit)
Fixed some core dumps on 64 bit systems (wrong type for packet_len)
2001-12-05 13:03:00 +02:00
monty@tik.mysql.fi
b13d453d50 Fix UNION
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
2001-08-02 06:29:50 +03:00
monty@work.mysql.com
df56b252a7 merge 2001-05-31 12:56:05 +02:00
monty@hundin.mysql.fi
6a387c7cdf Added functions for symbolic link handling to make it possible to
backport things from 4.0. This is safe as the functions are not used!
Fixed bug in new mutex handling in InnoDB
Make allow_break() and dont_break() defines.
2001-05-31 12:18:53 +03:00
monty@tik.mysql.fi
8685094e15 Don't write rows in MyISAM tables when using count(distinct)
Don't read MyISAM header when running without locking
2001-05-23 02:40:46 +03:00
sasha@mysql.sashanet.com
7c9b9f471c Merged with 3.23, needs further fix-up 2001-05-10 15:06:35 -06:00
monty@donna.mysql.fi
21e7c668ff Portability fixes for Ia64 and Sgi compiler
DROP DATABASE in mysqladmin asks for confirmation (again)
Added examined_rows to slow query log
SHOW CREATE for TEMPORARY table
2001-04-25 22:44:27 +03:00
monty@donna.mysql.fi
9ee2a297c0 Fixes for embedded MySQL
Some limit optimization
2001-04-25 01:11:29 +03:00
monty@donna.mysql.fi
417dd72856 Added SQL_CALC_FOUND_ROWS and FOUND_ROWS() 2001-04-12 00:54:35 +03:00
monty@donna.mysql.com
ce2260586d Fixed ALTER TABLE on MERGE tables
Fixed bug in DISTINCT
2001-01-28 21:35:50 +02:00
monty@donna.mysql.com
7ac13c89e6 Fix of LEFT JOIN optimizer bug, problem with key cache on Windows and
a lot of portability issues.
2000-10-14 03:16:35 +03:00
monty@tik.mysql.com
09dce662e2 Automatic repair of MyISAM tables + portability fixes 2000-10-11 00:06:37 +03:00
monty@tramp.mysql.fi
207548a836 DISTINCT optimization
Fixes when using column privileges
Manual updates
2000-10-06 21:15:03 +03:00
bk@work.mysql.com
f4c589ff6c Import changeset 2000-07-31 21:29:14 +02:00