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mariadb/sql
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Ramil Kalimullin 172af3722e Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL 
column is used for ORDER BY

Problem: filesort isn't meant for null length sort data
(e.g. char(0)), that leads to a server crash.

Fix: disregard sort order if sort data record length is 0 (nothing
to sort).


mysql-test/r/select.result:
  Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL 
  column is used for ORDER BY
    - test result.
mysql-test/t/select.test:
  Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL 
  column is used for ORDER BY
    - test case.
sql/filesort.cc:
  Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL 
  column is used for ORDER BY
    - assert added as filesort cannot handle null length sort data.
sql/sql_select.cc:
  Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL 
  column is used for ORDER BY
    - don't sort null length data e.g. in case of ORDER BY CHAR(0).
2010-01-29 13:17:57 +04:00
..
examples
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
share
Fix for BUG#18828 - If InnoDB runs out of undo slots,
2009-07-17 14:13:53 +05:30
.cvsignore
…
add_errmsg
…
client_settings.h
Bug#46013: rpl_extraColmaster_myisam fails on pb2
2009-08-13 17:07:20 -03:00
CMakeLists.txt
Merged from 5.0 (enterprise).
2008-12-17 15:01:34 -05:00
custom_conf.h
…
derror.cc
…
des_key_file.cc
…
discover.cc
…
field_conv.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
field.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
field.h
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-09 18:11:21 +02:00
filesort.cc
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
2010-01-29 13:17:57 +04:00
frm_crypt.cc
…
gen_lex_hash.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
gstream.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-09 18:11:21 +02:00
gstream.h
…
ha_archive.cc
Merge 5.0.80 release and 5.0 community. Version left at 5.0.80.
2009-04-14 13:20:13 -04:00
ha_archive.h
…
ha_berkeley.cc
Merge from 5.0 trunk.
2008-07-14 16:16:37 -04:00
ha_berkeley.h
…
ha_blackhole.cc
Bug #35178 INSERT_ID not written to binary log for inserts against BLACKHOLE backed tables
2008-03-19 18:44:50 +02:00
ha_blackhole.h
Bug#30294 blackhole engine causes 100% with 2 alter table statements running
2007-11-16 14:46:36 +04:00
ha_federated.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
ha_federated.h
Bug #32374 crash with filesort when selecting from federated table and view.
2007-11-30 17:08:00 +04:00
ha_heap.cc
type conversions fixed to get rid of warnings
2007-10-23 16:32:05 +05:00
ha_heap.h
[pb problem]: ha_heap->clone() fails on windows because of mess with
2007-07-17 19:51:50 +04:00
ha_innodb.cc
Bug #38883 (reopened): thd_security_context is not thread safe, crashes?
2009-12-01 14:24:44 +04:00
ha_innodb.h
Fix for BUG#43660- SHOW INDEXES/ANALYZE does NOT update cardinality
2009-04-24 16:33:50 +05:30
ha_myisam.cc
Bug#17332 - changing key_buffer_size on a running server
2009-09-07 18:35:37 +02:00
ha_myisam.h
Bug#28249 Query Cache returns wrong result with concurrent insert / certain lock
2007-07-12 13:29:51 +02:00
ha_myisammrg.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
ha_myisammrg.h
BUG#26976 - Missing table in merge not noted in related error msg +
2007-06-06 04:42:41 +05:00
ha_ndbcluster_cond.cc
fixed warnings and compile errors from the fix for bug 26243
2008-03-29 09:52:16 +02:00
ha_ndbcluster_cond.h
Bug#34749: Server crash when using NAME_CONST() with an aggregate function
2008-02-28 14:23:22 +01:00
ha_ndbcluster.cc
Merge chunk from trunk.
2008-07-10 14:47:53 -04:00
ha_ndbcluster.h
ha_ndbcluster.h:
2007-11-05 20:18:22 +01:00
handler.cc
Fix for BUG#18828 - If InnoDB runs out of undo slots,
2009-07-17 14:13:53 +05:30
handler.h
Fix for bug#40984: backport fix from 39585 into 5.0
2008-11-25 10:22:02 +04:00
hash_filo.cc
…
hash_filo.h
…
hostname.cc
…
init.cc
Bug#26294: library name conflict between MySQL 4.x, 5.0 and Qt 3.3
2008-04-03 11:32:00 -04:00
item_buff.cc
…
item_cmpfunc.cc
Fix for bug#49199: Optimizer handles incorrectly:
2009-12-04 21:58:40 +04:00
item_cmpfunc.h
Fix for bug#49199: Optimizer handles incorrectly:
2009-12-04 21:58:40 +04:00
item_create.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
item_create.h
Bug #27921 View ignores precision for CAST()
2007-05-10 00:17:21 +05:00
item_func.cc
Bug#47371 reference by same column name
2009-12-22 13:52:23 +04:00
item_func.h
Bug#37740 Server crashes on execute statement with full text search and
2009-07-15 15:00:58 +05:30
item_geofunc.cc
Bug #47780: crash when comparing GIS items from subquery
2009-10-21 11:43:45 +03:00
item_geofunc.h
Bug #31155 gis types in union'd select cause crash.
2007-10-04 12:01:28 +05:00
item_row.cc
…
item_row.h
…
item_strfunc.cc
Bug#46815 CONCAT_WS returning wrong data
2009-09-10 15:24:07 +05:00
item_strfunc.h
Bug #44767: invalid memory reads in password() and
2009-05-27 14:20:57 +04:00
item_subselect.cc
A fix and a test case for
2009-11-03 19:58:54 +03:00
item_subselect.h
Bug #31884: Assertion + crash in subquery in the SELECT clause.
2007-10-30 14:27:21 +02:00
item_sum.cc
Bug #46080: group_concat(... order by) crashes server when
2009-07-10 15:00:34 +03:00
item_sum.h
backported the fix for bug #34773 to 5.0
2008-12-09 20:35:02 +02:00
item_timefunc.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-09-17 17:10:30 +02:00
item_timefunc.h
Bug#42525: TIMEDIFF function
2009-02-06 18:25:08 +01:00
item_uniq.cc
…
item_uniq.h
…
item.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
item.h
Backport bug #37348 fix 5.1 --> 5.0.
2009-04-01 16:02:26 +05:00
key.cc
Fixed bug #32556: assert in "using index for group-by" :
2007-11-21 22:56:42 +04:00
lex_symbol.h
…
lex.h
Merge mysqldev@production.mysql.com:my/mysql-5.0-release
2007-04-26 11:51:37 -04:00
lock.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
log_event.cc
Bug #49137 Replication failure on SBR/MBR + multi-table DROP TEMPORARY TABLE
2010-01-06 13:12:40 +08:00
log_event.h
BUG#37145 Killing a statement doing DDL may log binlog event with error code 1053
2009-03-27 13:19:50 +08:00
log.cc
BUG#48738: merge local branch into mysql-5.0-bugteam latest.
2009-12-24 02:26:29 +00:00
Makefile.am
Bug#17270 - mysql client tool could not find ../share/charsets folder and fails.
2009-07-31 15:22:02 -04:00
matherr.c
…
message.h
Bug#40280: Message compiler(mc.exe) needed to compile MySQL on windows.
2008-10-23 15:28:53 +02:00
message.mc
Bug#40280: Message compiler(mc.exe) needed to compile MySQL on windows.
2008-10-23 15:28:53 +02:00
message.rc
Bug#40280: Message compiler(mc.exe) needed to compile MySQL on windows.
2008-10-23 15:28:53 +02:00
mf_iocache.cc
…
MSG00001.bin
Bug#40280: Message compiler(mc.exe) needed to compile MySQL on windows.
2008-10-23 15:28:53 +02:00
my_decimal.cc
Bug#37553: MySql Error Compare TimeDiff & Time
2008-11-26 09:28:17 +01:00
my_decimal.h
Bug#36023: Incorrect handling of zero length caused an assertion to fail.
2008-04-25 00:39:37 +04:00
my_lock.c
…
mysql_priv.h
Bug #44767: invalid memory reads in password() and
2009-05-27 14:20:57 +04:00
mysqld_suffix.h
…
mysqld.cc
Fix for Bug#37408 - Compressed MyISAM files should not require/use mmap()
2009-12-17 16:55:50 +05:30
net_serv.cc
Bug #45031: invalid memory reads in my_real_read using protocol
2009-07-28 22:35:55 +04:00
nt_servc.cc
Bug #20430 mysqld.exe windows service stuck in "SERVICE_STOP_PENDING"
2008-11-14 02:01:41 +01:00
nt_servc.h
Bug #20430 mysqld.exe windows service stuck in "SERVICE_STOP_PENDING"
2008-11-14 02:01:41 +01:00
opt_range.cc
Bug #48472: Loose index scan inappropriately chosen for some
2009-11-17 17:07:14 +03:00
opt_range.h
BUG#36639: subselect.test crashes on 64 bit pentium4 when compiled for valgrind, commit into 5.0
2008-08-25 21:02:54 +04:00
opt_sum.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-09 18:11:21 +02:00
parse_file.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
parse_file.h
Backport of a 5.0.74 fix into 5.0.72sp1:
2009-01-12 17:09:03 +01:00
password.c
Bug #44767: invalid memory reads in password() and
2009-05-27 14:20:57 +04:00
procedure.cc
…
procedure.h
Bug #26461: Intrinsic data type bool (1 byte) redefined to BOOL (4 bytes)
2008-03-21 17:23:17 +02:00
protocol.cc
auto-merge
2009-03-19 09:44:58 -04:00
protocol.h
Backport of TIME->MYSQL_TIME / Y2K fixset
2007-05-16 10:44:59 +02:00
records.cc
A fix and a test case for
2009-11-03 19:58:54 +03:00
repl_failsafe.cc
Merge chunk from trunk.
2008-07-10 14:50:07 -04:00
repl_failsafe.h
…
set_var.cc
Fix for Bug#37408 - Compressed MyISAM files should not require/use mmap()
2009-12-17 16:55:50 +05:30
set_var.h
Bug #32223 SETting max_allowed_packet variable
2009-06-19 11:27:19 +02:00
slave.cc
Bug #47210 first execution of "start slave until" stops too early
2009-11-12 17:10:19 +02:00
slave.h
Bug #47210 first execution of "start slave until" stops too early
2009-11-12 17:10:19 +02:00
sp_cache.cc
…
sp_cache.h
…
sp_head.cc
Bug #38816: kill + flush tables with read lock + stored
2009-07-24 20:58:58 +05:00
sp_head.h
Bug#25058 ignored return codes in memory allocation functions
2008-11-21 17:38:42 +04:00
sp_pcontext.cc
Bug#25058 ignored return codes in memory allocation functions
2008-11-21 17:38:42 +04:00
sp_pcontext.h
Bug#48983: Bad strmake calls (length one too long)
2009-12-17 15:58:38 -02:00
sp_rcontext.cc
Bug#33618 (Crash in sp_rcontext)
2008-01-23 13:26:41 -07:00
sp_rcontext.h
Bug#33618 (Crash in sp_rcontext)
2008-01-23 13:26:41 -07:00
sp.cc
Bug #45287: phase 2 : 5.0 64 bit compilation warnings
2009-07-16 15:37:38 +03:00
sp.h
…
spatial.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
spatial.h
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
sql_acl.cc
Bug#48983: Bad strmake calls (length one too long)
2009-12-17 15:58:38 -02:00
sql_acl.h
Bug #26461: Intrinsic data type bool (1 byte) redefined to BOOL (4 bytes)
2008-03-21 17:23:17 +02:00
sql_analyse.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
sql_analyse.h
Bug #26461: Intrinsic data type bool (1 byte) redefined to BOOL (4 bytes)
2008-03-21 17:23:17 +02:00
sql_array.h
Fix for bug #31207: Test "join_nested" shows different strategy on IA64
2007-10-17 20:08:58 +04:00
sql_base.cc
Bug#48508: Crash on prepared statement re-execution.
2009-12-01 21:28:45 +03:00
sql_bitmap.h
…
sql_cache.cc
Merge 5.0.80 release and 5.0 community. Version left at 5.0.80.
2009-04-14 13:20:13 -04:00
sql_cache.h
Bug#30087 Set query_cache_size, if the value is too small, get a unclear warning
2008-07-16 16:29:22 -06:00
sql_class.cc
Bug #48291 : crash with row() operator,select into @var, and
2009-10-30 15:15:43 +02:00
sql_class.h
Bug#48508: Crash on prepared statement re-execution.
2009-12-01 21:28:45 +03:00
sql_client.cc
Bug#26664 test suite times out on OS X 64bit
2007-05-24 11:21:27 +02:00
sql_crypt.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
sql_crypt.h
…
sql_cursor.cc
Bug#37956 memory leak and / or crash with geometry and prepared statements!
2008-12-10 18:13:11 +04:00
sql_cursor.h
…
sql_db.cc
BUG#45520 rpl_killed_ddl fails sporadically in pb2
2009-12-09 14:13:56 +08:00
sql_delete.cc
Bug #40113: Embedded SELECT inside UPDATE or DELETE can timeout
2009-07-13 18:11:16 +03:00
sql_derived.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
sql_do.cc
…
sql_error.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
sql_error.h
BUG#26976 - Missing table in merge not noted in related error msg +
2007-06-06 04:42:41 +05:00
sql_handler.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-09-17 17:10:30 +02:00
sql_help.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
sql_insert.cc
Fix for bug#49465: valgrind warnings and incorrect live checksum...
2009-12-17 09:55:03 +04:00
sql_lex.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-09-17 17:10:30 +02:00
sql_lex.h
Merge community up to enterprise, thus ending the community-server
2009-05-06 09:06:32 -04:00
sql_list.cc
…
sql_list.h
Bug#38296 (low memory crash with many conditions in a query)
2008-08-11 10:10:00 -06:00
sql_load.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
sql_locale.cc
Bug#37575 UCASE fails on monthname
2008-12-23 18:08:04 +04:00
sql_manager.cc
…
sql_manager.h
…
sql_map.cc
type conversions fixed to avoid warnings on Windows
2007-10-23 14:27:11 +05:00
sql_map.h
…
sql_olap.cc
…
sql_parse.cc
Bug #49137 Replication failure on SBR/MBR + multi-table DROP TEMPORARY TABLE
2009-12-31 11:33:10 +08:00
sql_prepare.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
sql_profile.cc
Bug #45287: phase 2 : 5.0 64 bit compilation warnings
2009-07-16 15:37:38 +03:00
sql_profile.h
Pull 5.1 treatment of community features into 5.0.
2009-05-05 17:03:23 -04:00
sql_rename.cc
BUG#37145 Killing a statement doing DDL may log binlog event with error code 1053
2009-03-27 13:19:50 +08:00
sql_repl.cc
Bug #38816: kill + flush tables with read lock + stored
2009-07-24 20:58:58 +05:00
sql_repl.h
BUG#31024: STOP SLAVE does not stop attempted connect()s
2008-03-11 14:42:54 +01:00
sql_select.cc
Fix for bug#49897: crash in ptr_compare when char(0) NOT NULL
2010-01-29 13:17:57 +04:00
sql_select.h
A fix and a test case for
2009-11-03 19:58:54 +03:00
sql_show.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
sql_sort.h
Fixed bug #25798.
2007-07-01 15:33:28 -07:00
sql_state.c
…
sql_string.cc
auto-merge
2009-03-19 09:44:58 -04:00
sql_string.h
Bug#38296 (low memory crash with many conditions in a query)
2008-08-11 10:10:00 -06:00
sql_table.cc
Bug#48983: Bad strmake calls (length one too long)
2009-12-17 15:58:38 -02:00
sql_test.cc
…
sql_trigger.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
sql_trigger.h
A fix and a test case for Bug#26141 mixing table types in trigger
2007-07-12 22:26:41 +04:00
sql_udf.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
sql_udf.h
Remove typedef st_table_list TABLE_LIST and always use name 'TABLE_LIST'.
2007-07-06 16:18:49 +04:00
sql_union.cc
Bug#43612 crash with explain extended, union, order by
2009-05-15 12:03:34 +05:00
sql_update.cc
This is a patch for Bug#48500
2009-12-14 00:58:16 +01:00
sql_view.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-08-28 17:51:31 +02:00
sql_view.h
Bug#32890 Crash after repeated create and drop of tables and views
2008-02-21 14:58:29 -03:00
sql_yacc.yy
Bug #49250 : spatial btree index corruption and crash
2009-12-10 11:28:38 +02:00
stacktrace.c
Bug#50409 Solaris 8 compatibility broken by assumption about
2010-01-27 11:38:50 +01:00
stacktrace.h
Bug#50409 Solaris 8 compatibility broken by assumption about
2010-01-27 11:38:50 +01:00
strfunc.cc
…
structs.h
A fix and a test case for
2009-11-03 19:58:54 +03:00
table.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
table.h
Revert of the fix for bug #46019.
2009-08-21 17:10:55 +03:00
thr_malloc.cc
Merge from 5.0-bt
2009-06-29 15:17:01 +02:00
time.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
tzfile.h
…
tztime.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
tztime.h
Backport of a 5.0.74 fix into 5.0.72sp1:
2009-01-12 17:40:29 +01:00
udf_example.c
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-09-17 17:10:30 +02:00
udf_example.def
Bug #29804 UDF parameters don't contain correct string length
2007-10-17 17:54:11 -04:00
uniques.cc
Bug #43414 Parenthesis (and other) warnings compiling MySQL
2009-06-17 15:54:01 +02:00
unireg.cc
Bug#29125 Windows Server X64: so many compiler warnings
2009-02-10 17:47:54 -05:00
unireg.h
Bug#17270 - mysql client tool could not find ../share/charsets folder and fails.
2009-07-31 15:22:02 -04:00
watchdog_mysqld
…