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Tatiana A. Nurnberg 1fc1f462b6 Bug#49487: crash with explain extended and group_concat in a derived table 
When EXPLAIN EXTENDED tries to print column names, it checks whether the
referenced table is CONST (in which case, the column's value rather than
its name will be printed). If no proper table is reference (i.e. because
a derived table was used that has since gone out of scope), this will fail
spectacularly.

This ports an equivalent of the fix for Bug 43354.

mysql-test/r/func_gconcat.result:
  Show that EXPLAIN EXTENDED on a GROUP_CONCAT() on a derived table
  no longer crashes the server.
mysql-test/t/func_gconcat.test:
  Show that EXPLAIN EXTENDED on a GROUP_CONCAT() on a derived table
  no longer crashes the server.
sql/item_sum.cc:
  Do not de-ref what cannot be, that is, temp-tables that have gone away.
  This is of questionable utility anyway, since our deref has the sole
  purpose of checking whether the table is const (in which case, we'll
  substitute the column with its value in EXPLAIN EXTENDED - that is all).
2010-02-19 15:16:43 +00:00
..
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.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
field_conv.cc Bug #43414 Parenthesis (and other) warnings compiling MySQL 2009-06-17 15:54:01 +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.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
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
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.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
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#49487: crash with explain extended and group_concat in a derived table 2010-02-19 15:16:43 +00:00
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
key.cc Fixed bug #32556: assert in "using index for group-by" : 2007-11-21 22:56:42 +04:00
lex.h
lex_symbol.h
lock.cc Bug #43414 Parenthesis (and other) warnings compiling MySQL 2009-08-28 17:51:31 +02:00
log.cc BUG#48738: merge local branch into mysql-5.0-bugteam latest. 2009-12-24 02:26:29 +00:00
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
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.cc Fix for Bug#37408 - Compressed MyISAM files should not require/use mmap() 2009-12-17 16:55:50 +05:30
mysqld_suffix.h
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.cc Bug #45287: phase 2 : 5.0 64 bit compilation warnings 2009-07-16 15:37:38 +03:00
sp.h
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
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 fixed a typo in bug #49897. 2010-02-01 13:40:16 +02:00
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