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Author SHA1 Message Date
kroki/tomash@moonlight.home
5b4d9d8706 BUG#23443: user-defined variables can consume too much memory in the 
server

The problem was that when memory was exhausted HEAP engine could crash
(GROUP BY uses HEAP TABLE).  Alternatively, if SET was used, it could
report an error "You may only use constant expressions with SET" instead
of "Out of memory (Needed NNNNNN bytes)".

The solution is:
 - pass MY_WME to (some) calls to my_malloc() to get correct message.
 - fix heap_write() so that the first key is skipped during cleanup
   on ENOMEM because it wasn't inserted and doesn't have to be
   deleted.

No test case is provided because we can't test out-of-memory behaviour
in our current test framework.
 2007-01-09 12:24:25 +03:00
istruewing@chilla.local
c2d73af1b2 Merge bk-internal.mysql.com:/home/bk/mysql-4.0 
into  chilla.local:/home/mydev/mysql-4.0-bug20719
 2006-09-29 19:55:09 +02:00
istruewing@chilla.local
4027fc8dca Bug#22384 - DELETE FROM table causes "Incorrect key file for table" 
Deletes on a big index could crash the index when it needs to
shrink.

Put a forgotten negation operator in.

No test case. It is too big for the test suite. And it does not
work with 4.0, only with higher versions. It is attached to the
bug report.
 2006-09-28 11:41:38 +02:00
istruewing@chilla.local
cab5981250 Merge bk-internal.mysql.com:/home/bk/mysql-4.0 
into  chilla.local:/home/mydev/mysql-4.0-bug20719
 2006-09-27 12:29:12 +02:00
istruewing@chilla.local
2b121cd0e1 Bug#14400 - Query joins wrong rows from table which is subject of 
"concurrent insert"
After merge fix.
 2006-09-22 17:23:25 +02:00
istruewing@chilla.local
9d0cedffad Merge bk-internal.mysql.com:/home/bk/mysql-4.0 
into  chilla.local:/home/mydev/mysql-4.0-bug14400
 2006-09-22 15:06:01 +02:00
istruewing@chilla.local
bb2a7fec48 Merge chilla.local:/home/mydev/mysql-4.0--team 
into  chilla.local:/home/mydev/mysql-4.0-bug14400
 2006-09-22 15:03:50 +02:00
istruewing@chilla.local
39c0f0a484 Bug#14400 - Query joins wrong rows from table which is subject of 
"concurrent insert"
Additional fix for full keys and test case.
 2006-09-07 15:39:31 +02:00
istruewing@chilla.local
0b2a9d01ed Bug#14400 - Query joins wrong rows from table which is 
subject of "concurrent insert"
Better fix by Monty: "The previous bug fix didn't work
when using partial keys."
 2006-08-29 20:45:04 +02:00
monty@mysql.com/narttu.mysql.fi
7d0b042ec5 Better bug fix for #14400 "Query joins wrong rows from table which is subject of "concurrent insert"" 
The previous bug fix didn't work when using partial keys.
Don't use GNUC min/max operations are they are depricated.
Fixed valgrind warning
 2006-08-10 22:41:19 +03:00
kent@mysql.com/c-4b4072d5.010-2112-6f72651.cust.bredbandsbolaget.se
f2ec5d7128 configure.in: 
Corrected typo
 2006-07-29 17:24:48 +02:00
kent@mysql.com/c-4b4072d5.010-2112-6f72651.cust.bredbandsbolaget.se
2faea98324 Makefile.am, configure.in: 
Man page for mysqld command move to section 8 (bug#21220)
 2006-07-28 23:12:40 +02:00
kent@mysql.com/c-4b4072d5.010-2112-6f72651.cust.bredbandsbolaget.se
c188a3bf0a make_binary_distribution.sh: 
Man page for "mysqld" command move to section 8 (bug#21220)
 2006-07-28 23:06:49 +02:00
kent@mysql.com/c-4b4072d5.010-2112-6f72651.cust.bredbandsbolaget.se
ef0c9d7588 mysql.spec.sh: 
Man page for "mysqld" command move to section 8 (bug#21220)
 2006-07-28 22:57:57 +02:00
kent@mysql.com/c-4b4072d5.010-2112-6f72651.cust.bredbandsbolaget.se
e22532fd80 mwasmnlm, mwccnlm, mwldnlm: 
Filter out strange control characters, messes up logs
 2006-07-24 10:55:26 +02:00
ingo/mydev@chilla.local
d781552a18 Bug#20719 - Reading dynamic records with write buffer could fail 
Fixed a possible problem with reading of dynamic records
when a write cache is active. The cache must be flushed
whenever a part of the file in the write cache is to be 
read.

Added a read optimization to _mi_read_dynamic_record().

No test case. This was a hypothetical but existing problem.
 2006-07-21 12:22:41 +02:00
ingo/mydev@chilla.local
23c2570a5e Merge chilla.local:/home/mydev/mysql-4.0 
into  chilla.local:/home/mydev/mysql-4.0-bug14400
 2006-07-08 21:16:13 +02:00
cmiller@maint1.mysql.com
8a7ae86ef2 Merge cmiller@bk-internal.mysql.com:/home/bk/mysql-4.0 
into  maint1.mysql.com:/data/localhome/cmiller/mysql-4.0__bug19006
 2006-07-07 23:00:33 +02:00
cmiller@zippy.(none)
8ea01fbca8 Add a more reliable "getconf" test for Linuxthreads. The later trees should already 
have a better test (and so this should be null-merged there).

ALSO!  Make it so that it accepts NPTL as a valid _equivalent_ implementation.
 2006-07-07 16:47:57 -04:00
joerg@mysql.com
f53bd352c9 Merge mysql.com:/M40/mysql-4.0 into mysql.com:/M40/bug20216-4.0 2006-07-05 11:14:45 +02:00
cmiller@zippy.(none)
5039184e83 Bug#19006: 4.0 valgrind problems (in test func_str) 
On exactly-sized Strings, the String::c_ptr() function peeked beyond the
end of the buffer, possibly into unititialized space to see whether the 
buffer was NUL-terminated.

In a place that did peek improperly, we now use a c_ptr_safe() function, 
which doesn't peek where it shouldn't.
 2006-07-01 14:31:52 -04:00
ingo@mysql.com
99ad23ec7c Bug#14400 - Query joins wrong rows from table which is subject of "concurrent insert" 
It was possible that fetching a record by an exact key value 
(including the record pointer) could return a record with a 
different key value. This happened only if a concurrent insert 
added a record with the searched key value after the fetching 
statement locked the table for read.

The search succeded on the key value, but the record was
rejected as it was past the file length that was remembered
at start of the fetching statement. With other words it was 
rejected as being a concurrently inserted record.

The action to recover from this problem was to fetch the 
record that is pointed at by the next key of the index. 
This was repeated until a record below the file length was 
found.

I do now avoid this loop if an exact match was searched. 
If this match is beyond the file length, it is now treated 
as "key not found". There cannot be another key with the 
same record pointer.
 2006-06-28 18:55:30 +02:00
joerg@mysql.com
46ee3ac19d Move "mysqldumpslow" from the client RPM to the server RPM (bug#20216). 2006-06-27 18:17:53 +02:00
kent@mysql.com
c36dd28676 make_sharedlib_distribution.sh: 
For compatibility, don't use {..,..} in pattern matching
make_binary_distribution.sh:
  Added .dylib and .sl as shared library extensions
 2006-06-26 23:44:17 +02:00
ramil@mysql.com
97562d74c9 Fix for bug #12728: Very strange behaviour of ELT 2006-06-13 16:01:54 +05:00
kent@mysql.com
e09910f91f mysql.spec.sh: 
Always compile position independent
 2006-05-20 22:47:20 +02:00
kent@mysql.com
9e77c3a0b1 Many files: 
Change mode to -rw-rw-r--
dbug_add_tags.pl:
  Change mode to -rwxrwxr--
 2006-05-12 17:51:37 +02:00
kent@mysql.com
39516f3886 configure.in: 
Stepped up to 4.0.28
 2006-05-11 19:48:57 +02:00
ingo@mysql.com
a24f5374a2 Merge mysql.com:/home/mydev/mysql-4.0 
into  mysql.com:/home/mydev/mysql-4.0-bug10405
 2006-05-06 16:42:59 +02:00
paul@polar.kitebird.com
2842d28d14 .del-changelog-4.0.xml~8f56ee8a913e848b: 
Delete: Docs/changelog-4.0.xml
 2006-05-04 16:14:19 -05:00
serg@sergbook.mysql.com
1409dc6f59 small optimization of the previous bugfix 
(based on the fact that packet is ALWAYS \0 terminated, see my_net_read)
 2006-04-25 16:41:12 -07:00
serg@sergbook.mysql.com
3144d5eb48 buffer overflow and information exposure bugs fixed 
(reported by Stefano Di Paola)
 2006-04-25 13:37:33 -07:00
ingo@mysql.com
750af5a848 Merge mysql.com:/home/mydev/mysql-4.0 
into  mysql.com:/home/mydev/mysql-4.0-bug5390
 2006-04-11 18:55:24 +02:00
bell@sanja.is.com.ua
11f59e3930 Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.0 
into  sanja.is.com.ua:/home/bell/mysql/bk/work-4.0
 2006-04-11 10:03:53 +03:00
ramil@mysql.com
4791ce7942 Merge rkalimullin@bk-internal.mysql.com:/home/bk/mysql-4.0 
into  mysql.com:/usr/home/ram/work/mysql-4.0
 2006-04-11 10:46:21 +05:00
bell@sanja.is.com.ua
ff698513e5 Merge sanja.is.com.ua:/home/bell/mysql/bk/mysql-4.0 
into  sanja.is.com.ua:/home/bell/mysql/bk/work-4.0
 2006-04-10 22:00:03 +03:00
bell@sanja.is.com.ua
5fe95af804 Avoid trying to include <asm/atomic.h> when it doesn't work in C++ 
code. (Bug #13621)
 2006-04-10 21:57:29 +03:00
ingo@mysql.com
d1e25f9770 Bug#10405 - myisamchk damages auto_increment columns when changing character set 
Whenever 'myisamchk' needed to recreate a table,
the auto increment information was lost.

Now the forgotten element of the table creation
information is set correctly.
 2006-04-10 13:38:56 +02:00
bell@sanja.is.com.ua
ba424aacb0 Check tinfo library presence and use it. (BUG#18912) 2006-04-08 23:19:52 +03:00
joerg@mysql.com
a7edbc647e mysql-test/mysql-test-run.sh : Provide info about the options used. 2006-04-07 19:27:19 +02:00
joerg@mysql.com
73a0ae9d9b Backport of 5.1 test options "--with-ndbcluster" and "--with-ndbcluster-only" as dummies (ignored). 2006-04-06 18:42:07 +02:00
kent@mysql.com
e1d6c31984 mysql_install_db.sh, MySQLEULA.txt, mysql_install_db.c: 
Changed web address order.mysql.com to shop.mysql.com
 2006-04-03 03:37:43 +02:00
kent@mysql.com
2128b9fb88 README: 
Typo (bug#17167)
 2006-04-01 04:13:33 +02:00
paul@snake-hub.snake.net
26caa52c01 Merge snake-hub.snake.net:/src/extern/MySQL/bk/mysql-4.0 
into  snake-hub.snake.net:/src/extern/MySQL/bk/mysql-4.0-r1.2173
 2006-03-01 18:44:44 -06:00
paul@snake-hub.snake.net
fe613502af README: 
revise README.
 2006-03-01 18:37:41 -06:00
paul@snake-hub.snake.net
be887ea830 README.gcov: 
Revise README.gcov.
 2006-03-01 17:55:10 -06:00
paul@snake-hub.snake.net
7b4f0dc8b0 README: 
Revise mysql-test README.
 2006-03-01 17:37:07 -06:00
joerg@mysql.com
4b29ce6053 Merge jbruehe@bk-internal.mysql.com:/home/bk/mysql-4.0 
into mysql.com:/M40/comment-4.0
 2006-03-01 20:13:23 +01:00
joerg@mysql.com
0afe7f1987 mysql-test/mysql-test-run.sh : Add a "--comment=<string>" option, to get it logged when the test is run. 2006-03-01 12:21:44 +01:00
ingo@mysql.com
ff01effb75 BUG#5390 - problems with merge tables 
This fix is necessary because thr_multi_lock()
reorderes the lock data references array.
 2006-02-20 12:28:07 +01:00