database/mariadb
database/mariadb
1
0
Fork 0
mirror of https://github.com/MariaDB/server.git synced 2025-05-07 04:01:59 +03:00
Code
7,232 Commits 2,976 Branches 353 Tags
Commit Graph

304 Commits

Author SHA1 Message Date
konstantin@mysql.com
dd287a4cdf added comments to simple_order, simple_group, no_order, skip_sort_order 2003-11-20 21:21:56 +03:00
konstantin@mysql.com
0143e48568 fix for bug #1724 'WHERE ... IN() optimizer behaviour 
has changed since 4.0.14'
We need to calculate cost of RANGE
scan if it is present instead of cost of 
FULL scan.
 2003-11-03 19:56:01 +03:00
serg@serg.mylan
b93c83ee2a Bug#1271 - RAND_TABLE_BIT in expression and only const_tables in join 2003-10-21 17:34:40 +02:00
kostja@oak.local
c7d8977f43 fix for one of the bugs spotted by #1274 2003-10-16 17:00:09 +04:00
monty@mashka.mysql.fi
c95d142f8f Add new user variables for tuning memory usage: 
query_alloc_block_size, query_prealloc_size, range_alloc_block_size,transaction_alloc_block_size and transaction_prealloc_size
Add more checks for "out of memory" detection in range optimization
 2003-10-11 22:00:24 +03:00
vva@eagle.mysql.r18.ru
795e14871d Fixed bug #1323 (varchar fields becoming char fields adter create ... select) 2003-10-03 17:54:32 -04:00
kostja@oak.local
6fba16eabf Applied Monty corrections to the FULL SCAN 
optimiser bug patch.
 2003-09-17 21:52:05 +04:00
kostja@oak.local
de3019c61a comment made more explanatory 2003-09-16 21:20:16 +04:00
kostja@oak.local
29eec6c738 join buffer cache usage/not usage is taken 
into account to increase the cost of FULL SCAN
 2003-09-16 04:04:54 +04:00
kostja@oak.local
ab576328f0 Fixed bug in the optimiser for FULL TABLE SCAN case: 
to estimate correctly cost of full table scan we should take into
account rows read and skipped on each iteration.
 2003-09-15 22:21:39 +04:00
serg@serg.mylan
493d5f9504 bug#926 fix undone - it caused suboptimal execution plan for "range ON, no WHERE" query 
Another fix applied
 2003-09-05 11:42:21 +02:00
serg@serg.mylan
b2c83e7f03 workaround for IN's special treatment of first argument. Not for 4.1 2003-09-01 14:18:27 +02:00
serg@serg.mylan
4808a6d9f2 oom protection 2003-08-28 12:37:50 +02:00
monty@narttu.mysql.fi
359846f052 Fixed some varnings from valgrind 
Set min value of max_allowed_packet to 1024
Fixed problem with UNION's without braces and SQL_CALC_FOUND_ROWS, LIMIT #,#
and ORDER BY...LIMIT
 2003-08-20 16:25:44 +03:00
monty@mashka.mysql.fi
a9146ace70 Cleanups to recent patches 
Fix packet error when using wrong GRANT command
 2003-08-15 09:54:19 +03:00
monty@mashka.mysql.fi
fb47e64256 Merge bk-internal.mysql.com:/home/bk/mysql-4.0 
into mashka.mysql.fi:/home/my/mysql-4.0
 2003-08-13 13:26:52 +03:00
monty@mashka.mysql.fi
2fb441fdf7 Remove wrong bug fix when calling create_sort_index. 
Fix possible replication bug with LOAD DATA ... IGNORE LINES #
 2003-08-10 05:14:16 +03:00
serg@serg.mylan
083acc29bb BETWEEN bug fix: non-const expressions on both ends 2003-08-09 01:20:02 +02:00
serg@serg.mylan
4e22494ebf outer join, impossible on condition, where, and usable key for range 
bug#926
 2003-07-25 14:32:03 +02:00
ram@mysql.r18.ru
4ca9718375 Fix for the bug #801: create table t1 select x'41'; doesn't work 2003-07-11 14:17:18 +05:00
serg@serg.mylan
bbe08e4a03 finally proper recursive descent for parsing expressions with MATCH ... AGAINST in add_ft_keys() 2003-07-07 19:02:58 +02:00
serg@serg.mylan
ec1aca5c52 correct (finally) condition for MATCH >0, >=0 etc in add_ft_keys (SW#1647) 
still no rec. descent
 2003-07-07 16:45:19 +02:00
serg@serg.mylan
6a40b8e889 merge + order by (bug #515) temporary fix 
properly fixed in 4.1
 2003-07-04 14:42:57 +02:00
hf@deer.(none)
0cdf7f39af Proposed bugfix for #717 
Current table is placed into read_tables set of the current join_tab->select
so get_mm_parts function thinks that current table's record is read and
tries to calculate WHERE condition with the fields of the record.
Result of these calculations is unpredictable.
Looks funny - outcome of the SELECT depends on the queries executed before.

Anyway i think we should have testcase on this part of the code.
 2003-07-03 10:42:13 +05:00
Sinisa@sinisa.nasamreza.org
b7644c9212 merge changes 2003-07-02 00:26:23 +03:00
Sinisa@sinisa.nasamreza.org
c1660e1a23 Lot's of clean-ups and fixes for 4.0.14. 2003-07-02 00:10:47 +03:00
monty@mashka.mysql.fi
ca2913a07e Merge with 3.23 tree to get latest bug fixes 2003-07-01 15:02:16 +03:00
monty@mashka.mysql.fi
5dab55de73 Merge bk-internal.mysql.com:/home/bk/mysql-4.0 
into mashka.mysql.fi:/home/my/mysql-4.0
 2003-07-01 13:30:55 +03:00
monty@mashka.mysql.fi
730776c452 Fixed 'Unknown error' when doing ORDER BY on reference table which 
was used with NULL value on NOT NULL column. (Bug #479)
 2003-06-29 21:15:51 +03:00
monty@mashka.mysql.fi
34919a03c4 Added thread variable max_seeks_for_key 
Change optimizer to prefer key lookups before table scan
Change table scans to be done after tables with constrains on scanned table
 2003-06-27 03:04:54 +03:00
Sinisa@sinisa.nasamreza.org
66b60b57af Merge sinisa@bk-internal.mysql.com:/home/bk/mysql-4.0 
into sinisa.nasamreza.org:/mnt/work/mysql-4.0
 2003-06-25 18:40:31 +03:00
Sinisa@sinisa.nasamreza.org
1d93c8f550 Fix for a bug which results in "Unknown Error". 
Query should actually return empty result set, but currently can't, as
it attempts to store NULL in NOT NULL field, because that is a match
made by self join conditions.
 2003-06-25 18:36:52 +03:00
hf@deer.(none)
0ede29ffd0 Merge abotchkov@bk-internal.mysql.com:/home/bk/mysql-4.0 
into deer.(none):/home/hf/work/mysql-4.0.674
 2003-06-25 17:16:53 +05:00
monty@narttu.mysql.fi
28e96d95c5 Simple code cleanup 2003-06-23 20:05:54 +03:00
hf@deer.(none)
f0f92fe443 Proposed fix for #674 
This crash happens in rather exotic case when we try to run 
SELECT DISTINCT some_func(SUM(some_field)) GROUP BY another_field;
on a table with single row.
Optimizer marks this table as const, sets group=NULL (with remove_const)
thus, create_tmp_table makes mistake collecting columns for temporary table
and then crashes because the field_count gets less than hidden_columns_count.
 2003-06-21 16:59:40 +05:00
serg@serg.mylan
b387b5add9 fulltext and left join bug fixed 2003-06-16 23:05:45 +02:00
monty@narttu.mysql.fi
2693203a08 Fixed problem with ansi mode and GROUP BY with constants. (Bug #387) 2003-05-13 19:26:07 +03:00
heikki@hundin.mysql.fi
ef6f91458d sql_select.cc, opt_sum.cc: 
Fix bug: if MIN() or MAX() resulted in a deadlock or a lock wait timeout, MySQL did not return an error, but NULL as the function value
 2003-05-07 19:01:45 +03:00
monty@mashka.mysql.fi
dd377bfba6 Fixed problem when comparing a key for a multi-byte-character set. (bug 152) 
Use 0x.... as strings if 'new' mode. (bug 152)
Don't report -max on windows when InnoDB is enabled. (bug 332)
Reset current_linfo;  This could cause a hang when doing PURGE LOGS.
Fix for row numbers in EXPLAIN (bug 322)
 Fix that USE_FRM works for all table types (bug 97)
 2003-04-27 22:12:08 +03:00
monty@mashka.mysql.fi
bf6cfd2948 Fix for -fbranch-probabilites (bug 268) 
Fix for LEFT/RIGHT/MID with multi-byte-character sets (bug 314)
Fix for new bison 1.875
max_insert_delayed_threads and delayed_insert_timeout now works as documented (bug 211)
Don't show port in SHOW PROCESSLIST for system threads
Fix problem with ORDER BY being discarded for some DISTINCT queries (bug 275)
Fixed bug with NATURAL LEFT JOIN, NATURAL RIGHT JOIN and RIGHT JOIN when
using many joined tables (Bug 212)
 2003-04-26 20:43:28 +03:00
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
serg@serg.mysql.com
026ec1d37c merged 2003-03-13 13:44:03 +01:00
bell@sanja.is.com.ua
91fc15fc6d added comment 2003-03-12 22:50:22 +02:00
monty@mashka.mysql.fi
47ec22d83f Fix for replication of INSERT | REPLACE | CREATE ... SELECT 2003-03-12 07:51:08 +02:00
guilhem@mysql.com
1434bc5db1 Fix for bug #136. We must write the 
INSERT into u SELECT * from t
to the binlog
BEFORE unlocking t (which was read-locked at least in MyISAM),
and not the contrary.
 2003-03-12 01:05:04 +01:00
bell@sanja.is.com.ua
b283e08cf3 fixed bug of unchecked random part of WHERE clause (bug #142) 2003-03-11 18:34:00 +02:00
monty@mashka.mysql.fi
d56e2acf50 Merge to get fix for LOCK TABLES + DROP TABLE in another thread 2003-03-07 01:20:56 +02:00
Sinisa@sinisa.nasamreza.org
c89c969b7c A fix for new conditions being defined and upper condition not updated 2003-02-06 18:50:12 +02:00
monty@mashka.mysql.fi
cf9668fd37 Added START TRANSACTION syntax 
Added ALL as parameter option for all group functions.
Make join handling uniform. This allows us to use ',', JOIN and INNER JOIN the same way.
Sort NULL last if DESC is used (ANSI SQL 99 requirement)
 2003-02-06 16:55:59 +02:00
monty@mashka.mysql.fi
e3cd63521c Fix for MIN/MAX with empty tables 
MIN(key_column) could in some cases return NULL on a column with NULL and other values.
MIN(key_column) and MAX(key_column) could in some cases return wrong values when used in OUTER JOIN.
 2003-02-03 20:20:32 +02:00