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Tatiana A. Nurnberg d096079d33 Bug#37553: MySql Error Compare TimeDiff & Time 
We pretended that TIMEDIFF() would always return positive results;
this gave strange results in comparisons of the TIMEDIFF(low,hi)<TIME(0)
type that rendered a negative result, but still gave false in comparison.
We also inadvertantly dropped the sign when converting times to
decimal.

CAST(time AS DECIMAL) handles signs of the times correctly.
TIMEDIFF() marked up as signed. Time/date comparison code switched to
signed for clarity.

mysql-test/r/func_sapdb.result:
  show that time-related comparisons work with negative
  time values now.
  show that converting time to DECIMAL no longer drops sign.
mysql-test/t/func_sapdb.test:
  show that time-related comparisons work with negative
  time values now.
  show that converting time to DECIMAL no longer drops sign.
sql/item_cmpfunc.cc:
  signed returns
sql/item_cmpfunc.h:
  signed now (time/date < > =)
sql/item_func.cc:
  signed now
sql/item_timefunc.h:
  Functions such as TIMEDIFF() return signed results!
  The file-comments pretended we were doing that all along, anyway...
sql/my_decimal.cc:
  heed sign when converting time to my_decimal;
  times may actually be negative!
  Needed for SELECT CAST(time('-73:42:12') AS DECIMAL);
sql/mysql_priv.h:
  using signed for dates and times now
2008-11-26 09:28:17 +01:00
..
examples fixed warnings from the fix of 26243 2008-03-29 17:50:46 +02:00
share Bug#28323: Server crashed in xid cache operations 2008-10-21 15:45:43 -02:00
.cvsignore
add_errmsg
client_settings.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
CMakeLists.txt Bug#40280: Message compiler(mc.exe) needed to compile MySQL on windows. 2008-10-23 15:28:53 +02:00
custom_conf.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
derror.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
des_key_file.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
discover.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
field.cc Bug#38469 invalid memory read and/or crash with utf8 text field, stored procedure, uservar 2008-09-20 10:51:03 +02:00
field.h Bug#38469 invalid memory read and/or crash with utf8 text field, stored procedure, uservar 2008-09-20 10:51:03 +02:00
field_conv.cc field_conv.cc: 2007-07-12 00:55:40 +05:00
filesort.cc BUG#35478: sort_union() returns bad data when sort_buffer_size is hit 2008-07-15 18:13:21 +04:00
frm_crypt.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
gen_lex_hash.cc gen_lex_hash.cc: 2007-01-31 00:06:42 +01:00
gstream.cc Merge mysql.com:/home/hf/work/30286/my41-30286 2007-10-05 16:33:08 +05:00
gstream.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
ha_archive.cc BUG#29207 - archive table reported as corrupt by check table (P1) 2007-06-27 13:19:34 +05:00
ha_archive.h Merge bk-internal.mysql.com:/home/bk/mysql-5.0 2007-01-22 14:04:40 +02:00
ha_berkeley.cc fixes for warnings and compile errors for the fix of bug 26243 2008-03-29 16:12:23 +02:00
ha_berkeley.h Fixed compiler warnings (for linux and win32 and win64) 2007-02-22 16:59:57 +02:00
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 Fix for bug#40875: Memory leak in FEDERATED handler 2008-11-20 14:08:36 +04:00
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 Cherry-pick InnoDB fixes for Bug#34286, Bug#35352, and Bug#36600 from snapshot 2008-07-31 15:47:57 -06:00
ha_innodb.h Bug #20358: InnoDB hang on the adaptive hash index latch in btr0sea.c 2007-10-02 23:47:30 -06:00
ha_myisam.cc Bug#33756 - query cache with concurrent_insert=0 appears broken 2008-03-13 16:39:27 +01:00
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 Merge amd64.(none):/src/mysql-5.0-bugteam 2008-03-28 16:01:05 -04:00
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 fixed warnings and compile errors from the fix for bug 26243 2008-03-29 09:52:16 +02:00
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#40984: backport fix from 39585 into 5.0 2008-11-25 10:22:02 +04:00
handler.h Fix for bug#40984: backport fix from 39585 into 5.0 2008-11-25 10:22:02 +04:00
hash_filo.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
hash_filo.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
hostname.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
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#38823: Invalid memory access when a SP statement does wildcard expansion 2008-10-14 11:04:36 -03:00
item.h Bug#37301 Length and Max_length differ with no obvious reason(2nd version) 2008-08-15 16:13:27 -04:00
item_buff.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
item_cmpfunc.cc Bug#37553: MySql Error Compare TimeDiff & Time 2008-11-26 09:28:17 +01:00
item_cmpfunc.h Bug#37553: MySql Error Compare TimeDiff & Time 2008-11-26 09:28:17 +01:00
item_create.cc Fix mismerge. 2008-04-10 15:55:37 -04:00
item_create.h Bug #27921 View ignores precision for CAST() 2007-05-10 00:17:21 +05:00
item_func.cc Bug#37553: MySql Error Compare TimeDiff & Time 2008-11-26 09:28:17 +01:00
item_func.h Bug#34749: Server crash when using NAME_CONST() with an aggregate function 2008-02-28 14:23:22 +01:00
item_geofunc.cc Merge mysql.com:/home/hf/work/31158/my41-31158 2007-11-17 16:48:57 +04:00
item_geofunc.h Bug #31155 gis types in union'd select cause crash. 2007-10-04 12:01:28 +05:00
item_row.cc Many files: 2006-12-23 20:17:15 +01:00
item_row.h Merge bk-internal.mysql.com:/home/bk/mysql-5.0 2007-01-22 14:04:40 +02:00
item_strfunc.cc warning elimination 2008-07-11 04:51:58 +05:00
item_strfunc.h Merge tsmith@bk-internal.mysql.com:/home/bk/mysql-5.0 2007-12-04 20:58:21 -07:00
item_subselect.cc Merge epotemkin@bk-internal.mysql.com:/home/bk/mysql-5.0-bugteam 2008-03-28 14:31:52 +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 Fix for bug #35298: GROUP_CONCAT with DISTINCT can crash the server 2008-05-01 13:49:26 +03:00
item_sum.h Bug#27219: Aggregate functions in ORDER BY. 2008-03-27 19:49:32 +03:00
item_timefunc.cc Fix for bug#36772: When using UTF8, CONVERT with GROUP BY 2008-11-21 13:48:22 +04:00
item_timefunc.h Bug#37553: MySql Error Compare TimeDiff & Time 2008-11-26 09:28:17 +01:00
item_uniq.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
item_uniq.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
key.cc Fixed bug #32556: assert in "using index for group-by" : 2007-11-21 22:56:42 +04:00
lex.h Fix -ansi -pedantic warning (can't cast a pointer to function 2007-03-08 12:04:45 +03:00
lex_symbol.h Fix -ansi -pedantic warning (can't cast a pointer to function 2007-03-08 12:04:45 +03:00
lock.cc fixed warnings from the fix of 26243 2008-03-29 17:50:46 +02:00
log.cc Bug#37027 expire_logs_days and missing binlogs cause a crash ! 2008-07-24 14:28:21 +02:00
log_event.cc Bug #37150 Risk for crash in User_var_log_event::exec_event() 2008-07-07 09:58:27 +02:00
log_event.h Bug #27571 asynchronousity in setting mysql_query::error and 2007-10-29 15:20:59 +02:00
Makefile.am Bug#40280: Message compiler(mc.exe) needed to compile MySQL on windows. 2008-10-23 15:28:53 +02:00
matherr.c my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
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 my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
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 my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
mysql_priv.h Bug#37553: MySql Error Compare TimeDiff & Time 2008-11-26 09:28:17 +01:00
mysqld.cc Bug#24289 Status Variable "Questions" gets wrong values with Stored Routines 2008-10-09 09:26:42 +02:00
mysqld_suffix.h Many files: 2006-12-23 20:17:15 +01:00
net_serv.cc Bug#26243 mysql command line crash after control-c 2008-03-28 14:02:27 -04:00
nt_servc.cc
nt_servc.h
opt_range.cc Bug #37894: Assertion in init_read_record_seq in handler.h line 1444 2008-10-10 15:27:58 +05:00
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 #30715: Assertion failed: item_field->field->real_maybe_null(), 2007-10-24 11:15:08 +03:00
parse_file.cc Bug #40021: Renaming view fails, archived .frm for view is 2008-11-14 21:25:57 +04:00
parse_file.h Bug #40021: Renaming view fails, archived .frm for view is 2008-11-14 21:25:57 +04:00
password.c Merge bk-internal.mysql.com:/home/bk/mysql-5.0 2007-01-22 14:04:40 +02:00
procedure.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
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 Merge tnurnberg@bk-internal.mysql.com:/home/bk/mysql-5.0-opt 2007-12-01 13:09:16 +01:00
protocol.h Backport of TIME->MYSQL_TIME / Y2K fixset 2007-05-16 10:44:59 +02:00
records.cc BUG#35478: sort_union() returns bad data when sort_buffer_size is hit 2008-07-15 18:13:21 +04:00
repl_failsafe.cc Make gcov happy. 2008-03-18 16:38:12 +04:00
repl_failsafe.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
set_var.cc Bug#37428 Potential security issue with UDFs - linux shellcode execution. 2008-08-25 17:11:59 +05:00
set_var.h Merge mysql.com:/home/gluh/MySQL/Merge/5.0 2007-12-13 14:52:49 +04:00
slave.cc Merge amd64.(none):/src/mysql-5.0-bugteam 2008-03-28 16:01:05 -04:00
slave.h BUG#13861 - START SLAVE UNTIL may stop 1 evnt too late if 2008-02-22 19:07:07 +04:00
sp.cc Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on 2008-07-14 15:41:30 -06:00
sp.h Many files: 2006-12-23 20:17:15 +01:00
sp_cache.cc Many files: 2006-12-23 20:17:15 +01:00
sp_cache.h Many files: 2006-12-23 20:17:15 +01:00
sp_head.cc merge 2008-10-02 13:10:06 +05:00
sp_head.h Bug#26030 (Parsing fails for stored routine w/multi-statement execution 2008-07-07 10:00:08 -06:00
sp_pcontext.cc Bug#26503 (Illegal SQL exception handler code causes the server to crash) 2007-03-14 12:02:32 -06:00
sp_pcontext.h Bug#26503 (Illegal SQL exception handler code causes the server to crash) 2007-03-14 12:02:32 -06:00
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 #29166: 2007-07-05 18:24:48 +03:00
spatial.h Bug #24563: MBROverlaps does not seem to function propertly. 2007-03-23 16:28:07 -06:00
sql_acl.cc Bug#37781 mysql_drop_user calls get_current_user() twice for no reason 2008-07-29 15:37:09 +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 fixed warnings from the fix of 26243 2008-03-29 17:50:46 +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 #33811: Call to stored procedure with SELECT * / RIGHT JOIN 2008-10-17 17:55:06 +03:00
sql_bitmap.h Many files: 2006-12-23 20:17:15 +01:00
sql_cache.cc Cherry-pick Bug#33362 from mysql-5.1 2008-07-24 11:14:34 -03:00
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#37114: sql_mode NO_BACKSLASH_ESCAPES does not work properly with LOAD DATA INFILE 2008-09-17 08:34:00 +02:00
sql_class.h Bug#28323: Server crashed in xid cache operations 2008-10-21 15:45:43 -02:00
sql_client.cc Bug#26664 test suite times out on OS X 64bit 2007-05-24 11:21:27 +02:00
sql_crypt.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_crypt.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_cursor.cc Bug#38486 Crash when using cursor protocol 2008-08-11 11:40:54 +02:00
sql_cursor.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_db.cc Bug #40021: Renaming view fails, archived .frm for view is 2008-11-14 21:25:57 +04:00
sql_delete.cc BUG#35478: sort_union() returns bad data when sort_buffer_size is hit 2008-07-15 18:13:21 +04:00
sql_derived.cc - renaming TMP_TABLE to NON_TRANSACTIONAL_TMP_TABLE because this is 2007-03-22 15:07:32 +01:00
sql_do.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_error.cc Merge bk-internal.mysql.com:/home/bk/mysql-5.0-runtime 2007-06-20 12:46:15 +04:00
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#31409 RENAME TABLE causes server crash or deadlock when used with HANDLER statements 2007-10-12 10:55:46 -03:00
sql_help.cc BUG#35478: sort_union() returns bad data when sort_buffer_size is hit 2008-07-15 18:13:21 +04:00
sql_insert.cc Bug #38693: leaked memory with blobs! 2008-10-15 16:55:52 +03:00
sql_lex.cc Bug#37075: offset of limit clause might be truncated on 32-bits server w/o big tables 2008-10-15 18:34:51 -03:00
sql_lex.h Bug #38691: segfault/abort in ``UPDATE ...JOIN'' while 2008-10-08 02:34:00 +05:00
sql_list.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
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#37114: sql_mode NO_BACKSLASH_ESCAPES does not work properly with LOAD DATA INFILE 2008-09-17 08:34:00 +02:00
sql_locale.cc Merge mysql.com:/nfsdisk1/lars/bkroot/mysql-5.0-rpl 2007-01-12 12:22:54 +01:00
sql_manager.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_manager.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_map.cc type conversions fixed to avoid warnings on Windows 2007-10-23 14:27:11 +05:00
sql_map.h my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_olap.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_parse.cc Bug#28323: Server crashed in xid cache operations 2008-10-21 15:45:43 -02:00
sql_prepare.cc Bug#35577 (CREATE PROCEDURE causes either crash or syntax error depending on 2008-07-14 15:41:30 -06:00
sql_rename.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_repl.cc Fixes to make code compile on Windows. 2008-01-31 07:19:29 +01:00
sql_repl.h BUG#31024: STOP SLAVE does not stop attempted connect()s 2008-03-11 14:42:54 +01:00
sql_select.cc Bug #39656: Behaviour different for agg functions with & without where - 2008-11-24 17:30:47 +02:00
sql_select.h BUG#38072: Wrong result: HAVING not observed in a query with aggregate 2008-10-24 06:16:22 +04:00
sql_show.cc automerge 2008-10-15 12:06:44 +02:00
sql_sort.h Fixed bug #25798. 2007-07-01 15:33:28 -07:00
sql_state.c Many files: 2006-12-23 20:17:15 +01:00
sql_string.cc Merge dl145h.mysql.com:/data0/mkindahl/mysql-5.0-rpl 2007-12-19 14:49:04 +01:00
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#39541 CHECK TABLE on information_schema myisam tables produces error 2008-11-13 17:06:48 +04:00
sql_test.cc my_strtoll10-x86.s: 2006-12-31 01:02:27 +01:00
sql_trigger.cc Bug #40021: Renaming view fails, archived .frm for view is 2008-11-14 21:25:57 +04:00
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#37428 Potential security issue with UDFs - linux shellcode execution. 2008-08-25 17:11:59 +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#38499: flush tables and multitable table update with 2008-10-09 20:24:31 +05:00
sql_update.cc Bug#38499: flush tables and multitable table update with 2008-10-09 20:24:31 +05:00
sql_view.cc Bug #40021: Renaming view fails, archived .frm for view is 2008-11-14 21:25:57 +04:00
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#35924 DEFINER should be stored 'quoted' in I_S 2008-10-02 16:57:52 +05:00
stacktrace.c Bug#35987 - post-review fix 2008-09-16 13:16:41 +02:00
stacktrace.h Bug#31745 - crash handler does not work on Windows 2008-02-19 12:37:39 +01:00
strfunc.cc Fixed compiler warnings. 2007-03-22 20:32:07 +02:00
structs.h Bug#24289 Status Variable "Questions" gets wrong values with Stored Routines 2008-10-09 09:26:42 +02:00
table.cc Bug #38691: segfault/abort in ``UPDATE ...JOIN'' while 2008-10-08 02:34:00 +05:00
table.h Bug #40021: Renaming view fails, archived .frm for view is 2008-11-14 21:25:57 +04:00
thr_malloc.cc Bug#38296 (low memory crash with many conditions in a query) 2008-08-11 10:10:00 -06:00
time.cc Bug #29536: timestamp inconsistent in replication around 1970 2007-08-06 04:57:28 -07:00
tzfile.h Many files: 2006-12-23 20:17:15 +01:00
tztime.cc Merge zippy.cornsilk.net:/home/cmiller/work/mysql/bug26294/my50-bug26294 2008-04-03 13:19:55 -04:00
tztime.h Backport of TIME->MYSQL_TIME / Y2K fixset 2007-05-16 10:44:59 +02:00
udf_example.c Bug #30355: Incorrect ordering of UDF results 2007-11-27 17:16:52 +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 Fixed bug #25798. 2007-07-01 15:33:28 -07:00
unireg.cc Merge tnurnberg@bk-internal.mysql.com:/home/bk/mysql-5.0-opt 2007-12-17 09:45:36 +01:00
unireg.h Bug#37428 Potential security issue with UDFs - linux shellcode execution. 2008-08-25 17:11:59 +05:00
watchdog_mysqld