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| From: | Gleb Shchepa | Date: | September 18 2008 11:13am |
| Subject: | bzr push into mysql-6.0 branch (gshchepa:2835 to 2836) | ||
| View as plain text | |||
2836 Gleb Shchepa 2008-09-18 [merge]
merge 5.1-5.1.29-rc --> 6.0-5.1.29-rc
modified:
client/mysqldump.c
mysql-test/r/events_2.result
mysql-test/r/mysqldump-max.result
mysql-test/r/mysqldump.result
mysql-test/r/user_var.result
mysql-test/t/events_2.test
mysql-test/t/mysqldump-max.test
mysql-test/t/user_var.test
sql/event_db_repository.cc
sql/event_parse_data.cc
sql/event_parse_data.h
sql/item_func.cc
sql/item_func.h
sql/sql_base.cc
sql/sql_lex.cc
sql/sql_lex.h
sql/sql_yacc.yy
2835 Georgi Kodinov 2008-09-12
Bug#38342 -backup_myisam1 test fails on Windows
The problem is that this test, uses file locking and myisam unlocks
the same file region twice. Unix my_lock implementation based on fcntl()
does not return error in this case, but Windows UnlockFile() returns
ERROR_NOT_LOCKED.
Fixed by ignoring ERROR_NOT_LOCKED from UnlockFile(). This fix does
not make myisam better, but at least the implementation of my_lock()
compatible to *nix.
modified:
mysys/my_lock.c
=== modified file 'client/mysqldump.c'
--- a/client/mysqldump.c 2008-05-29 15:44:11 +0000
+++ b/client/mysqldump.c 2008-09-18 09:06:39 +0000
@@ -2446,8 +2446,15 @@ static uint get_table_structure(char *ta
fprintf(sql_file, ",\n %s %s",
quote_name(row[0], name_buff, 0), row[1]);
}
+
+ /*
+ Stand-in tables are always MyISAM tables as the default
+ engine might have a column-limit that's lower than the
+ number of columns in the view, and MyISAM support is
+ guaranteed to be in the server anyway.
+ */
fprintf(sql_file,
- "\n) */;\n"
+ "\n) ENGINE=MyISAM */;\n"
"SET character_set_client = @saved_cs_client;\n");
check_io(sql_file);
=== modified file 'mysql-test/r/events_2.result'
--- a/mysql-test/r/events_2.result 2008-05-13 12:06:32 +0000
+++ b/mysql-test/r/events_2.result 2008-08-18 11:05:51 +0000
@@ -328,4 +328,81 @@ create event
����������_����������_��������_66
on schedule every 2 year do select 1;
ERROR 42000: Identifier name '�������������_����������������' is too long
+create event event_35981 on schedule every 6 month on completion preserve
+disable
+do
+select 1;
+The following SELECTs should all give 1
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+on_completion = 'PRESERVE';
+count(*)
+1
+alter event event_35981 enable;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+on_completion = 'PRESERVE';
+count(*)
+1
+alter event event_35981 on completion not preserve;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+on_completion = 'NOT PRESERVE';
+count(*)
+1
+alter event event_35981 disable;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+on_completion = 'NOT PRESERVE';
+count(*)
+1
+alter event event_35981 on completion preserve;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+on_completion = 'PRESERVE';
+count(*)
+1
+drop event event_35981;
+create event event_35981 on schedule every 6 month disable
+do
+select 1;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+on_completion = 'NOT PRESERVE';
+count(*)
+1
+drop event event_35981;
+create event event_35981 on schedule every 1 hour starts current_timestamp
+on completion not preserve
+do
+select 1;
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00';
+ERROR HY000: Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation.
+drop event event_35981;
+create event event_35981 on schedule every 1 hour starts current_timestamp
+on completion not preserve
+do
+select 1;
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00' on completion preserve;
+Warnings:
+Note 1544 Event execution time is in the past. Event has been disabled
+drop event event_35981;
+create event event_35981 on schedule every 1 hour starts current_timestamp
+on completion preserve
+do
+select 1;
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00';
+Warnings:
+Note 1544 Event execution time is in the past. Event has been disabled
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00' on completion not preserve;
+ERROR HY000: Event execution time is in the past and ON COMPLETION NOT PRESERVE is set. The event was dropped immediately after creation.
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00' on completion preserve;
+Warnings:
+Note 1544 Event execution time is in the past. Event has been disabled
+drop event event_35981;
drop database events_test;
=== modified file 'mysql-test/r/mysqldump-max.result'
--- a/mysql-test/r/mysqldump-max.result 2007-07-27 17:30:43 +0000
+++ b/mysql-test/r/mysqldump-max.result 2008-09-11 06:14:19 +0000
@@ -277,3 +277,16 @@ drop table t3;
drop table t4;
drop table t5;
drop table t6;
+SELECT @@global.storage_engine INTO @old_engine;
+SET GLOBAL storage_engine=InnoDB;
+CREATE VIEW v1 AS SELECT * FROM t1;
+INSERT INTO t1 VALUES();
+SELECT COUNT(*) FROM v1;
+COUNT(*)
+1
+SELECT COUNT(*) FROM v1;
+COUNT(*)
+1
+DROP VIEW v1;
+DROP TABLE t1;
+SET GLOBAL storage_engine=@old_engine;
=== modified file 'mysql-test/r/mysqldump.result'
--- a/mysql-test/r/mysqldump.result 2008-06-28 11:00:59 +0000
+++ b/mysql-test/r/mysqldump.result 2008-09-18 09:06:39 +0000
@@ -2000,7 +2000,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v2` (
`a` varchar(30)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
/*!50001 DROP TABLE `v2`*/;
/*!50001 DROP VIEW IF EXISTS `v2`*/;
@@ -2097,7 +2097,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v1` (
`a` int(11)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
/*!50001 DROP TABLE `v1`*/;
/*!50001 DROP VIEW IF EXISTS `v1`*/;
@@ -2171,7 +2171,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v2` (
`a` varchar(30)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
/*!50001 DROP TABLE `v2`*/;
/*!50001 DROP VIEW IF EXISTS `v2`*/;
@@ -2287,7 +2287,7 @@ SET character_set_client = utf8;
`a` int(11),
`b` int(11),
`c` varchar(30)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
DROP TABLE IF EXISTS `v2`;
/*!50001 DROP VIEW IF EXISTS `v2`*/;
@@ -2295,7 +2295,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v2` (
`a` int(11)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
DROP TABLE IF EXISTS `v3`;
/*!50001 DROP VIEW IF EXISTS `v3`*/;
@@ -2305,7 +2305,7 @@ SET character_set_client = utf8;
`a` int(11),
`b` int(11),
`c` varchar(30)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
/*!50001 DROP TABLE `v1`*/;
/*!50001 DROP VIEW IF EXISTS `v1`*/;
@@ -3042,7 +3042,7 @@ SET character_set_client = utf8;
`a` int(11),
`b` varchar(32),
`c` varchar(32)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
DROP TABLE IF EXISTS `v1`;
/*!50001 DROP VIEW IF EXISTS `v1`*/;
@@ -3052,7 +3052,7 @@ SET character_set_client = utf8;
`a` int(11),
`b` varchar(32),
`c` varchar(32)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
DROP TABLE IF EXISTS `v2`;
/*!50001 DROP VIEW IF EXISTS `v2`*/;
@@ -3062,7 +3062,7 @@ SET character_set_client = utf8;
`a` int(11),
`b` varchar(32),
`c` varchar(32)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
USE `test`;
@@ -3442,7 +3442,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v1` (
`id` int(11)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
USE `mysqldump_test_db`;
@@ -3502,7 +3502,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `nasishnasifu` (
`id` bigint(20) unsigned
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
USE `mysqldump_tables`;
@@ -3960,7 +3960,7 @@ SET @saved_cs_client = @@character_s
SET character_set_client = utf8;
/*!50001 CREATE TABLE `v1` (
`id` int(11)
-) */;
+) ENGINE=MyISAM */;
SET character_set_client = @saved_cs_client;
USE `mysqldump_test_db`;
=== modified file 'mysql-test/r/user_var.result'
--- a/mysql-test/r/user_var.result 2007-12-13 12:59:16 +0000
+++ b/mysql-test/r/user_var.result 2008-09-18 09:06:39 +0000
@@ -121,8 +121,8 @@ select @a:=0;
select @a+0, @a:=@a+0+count(*), count(*), @a+0 from t1 group by i;
@a+0 @a:=@a+0+count(*) count(*) @a+0
0 1 1 0
-1 3 2 0
-3 6 3 0
+0 2 2 0
+0 3 3 0
set @a=0;
select @a,@a:="hello",@a,@a:=3,@a,@a:="hello again" from t1 group by i;
@a @a:="hello" @a @a:=3 @a @a:="hello again"
@@ -370,4 +370,33 @@ select @rownum := @rownum + 1 as row,
@prev_score := a as score
from t1 order by score desc;
drop table t1;
+create table t1(b bigint);
+insert into t1 (b) values (10), (30), (10);
+set @var := 0;
+select if(b=@var, 999, b) , @var := b from t1 order by b;
+if(b=@var, 999, b) @var := b
+10 10
+999 10
+30 30
+drop table t1;
+create temporary table t1 (id int);
+insert into t1 values (2), (3), (3), (4);
+set @lastid=-1;
+select @lastid != id, @lastid, @lastid := id from t1;
+@lastid != id @lastid @lastid := id
+1 -1 2
+1 2 3
+0 3 3
+1 3 4
+drop table t1;
+create temporary table t1 (id bigint);
+insert into t1 values (2), (3), (3), (4);
+set @lastid=-1;
+select @lastid != id, @lastid, @lastid := id from t1;
+@lastid != id @lastid @lastid := id
+1 -1 2
+1 2 3
+0 3 3
+1 3 4
+drop table t1;
End of 5.1 tests
=== modified file 'mysql-test/t/events_2.test'
--- a/mysql-test/t/events_2.test 2008-05-13 12:06:32 +0000
+++ b/mysql-test/t/events_2.test 2008-08-18 11:05:51 +0000
@@ -411,6 +411,108 @@ create event
����������_��_66
on schedule every 2 year do select 1;
+#
+# Bug#35981: ALTER EVENT causes the server to change the PRESERVE option.
+#
+
+create event event_35981 on schedule every 6 month on completion preserve
+disable
+do
+ select 1;
+
+echo The following SELECTs should all give 1;
+
+# show current ON_COMPLETION
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+ on_completion = 'PRESERVE';
+
+# show ON_COMPLETION remains "PRESERVE" when not given in ALTER EVENT
+alter event event_35981 enable;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+ on_completion = 'PRESERVE';
+
+# show we can change ON_COMPLETION
+alter event event_35981 on completion not preserve;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+ on_completion = 'NOT PRESERVE';
+
+# show ON_COMPLETION remains "NOT PRESERVE" when not given in ALTER EVENT
+alter event event_35981 disable;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+ on_completion = 'NOT PRESERVE';
+
+# show we can change ON_COMPLETION
+alter event event_35981 on completion preserve;
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+ on_completion = 'PRESERVE';
+
+
+drop event event_35981;
+
+create event event_35981 on schedule every 6 month disable
+do
+ select 1;
+
+# show that the defaults for CREATE EVENT are still correct (NOT PRESERVE)
+select count(*) from information_schema.events
+where event_schema = database() and event_name = 'event_35981' and
+ on_completion = 'NOT PRESERVE';
+
+drop event event_35981;
+
+
+# show that backdating doesn't break
+
+create event event_35981 on schedule every 1 hour starts current_timestamp
+ on completion not preserve
+do
+ select 1;
+
+# should fail thanks to above's NOT PRESERVE
+--error ER_EVENT_CANNOT_ALTER_IN_THE_PAST
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00';
+
+drop event event_35981;
+
+create event event_35981 on schedule every 1 hour starts current_timestamp
+ on completion not preserve
+do
+ select 1;
+
+# succeed with warning
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00' on completion preserve;
+
+drop event event_35981;
+
+
+
+create event event_35981 on schedule every 1 hour starts current_timestamp
+ on completion preserve
+do
+ select 1;
+
+# this should succeed thanks to above PRESERVE! give a warning though.
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00';
+
+# this should fail, as the event would have passed already
+--error ER_EVENT_CANNOT_ALTER_IN_THE_PAST
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00' on completion not preserve;
+
+# should succeed giving a warning
+alter event event_35981 on schedule every 1 hour starts '1999-01-01 00:00:00'
+ ends '1999-01-02 00:00:00' on completion preserve;
+
+drop event event_35981;
+
#
# End of tests
#
=== modified file 'mysql-test/t/mysqldump-max.test'
--- a/mysql-test/t/mysqldump-max.test 2006-10-24 15:54:45 +0000
+++ b/mysql-test/t/mysqldump-max.test 2008-09-11 06:14:19 +0000
@@ -66,3 +66,1061 @@ drop table t3;
drop table t4;
drop table t5;
drop table t6;
+
+
+#
+# Bug#31434 - mysqldump dumps view as table
+#
+
+# Show that mysqldump's stand-in tables for views are always of MyISAM
+# type to avoid Inno's column-number limits (~1000 columns) etc.
+# Here because it needs Inno-engine.
+
+SELECT @@global.storage_engine INTO @old_engine;
+SET GLOBAL storage_engine=InnoDB;
+
+--disable_query_log
+CREATE TABLE `t1` (
+ `col_0` tinyint(1) default NULL,
+ `col_1` tinyint(1) default NULL,
+ `col_2` tinyint(1) default NULL,
+ `col_3` tinyint(1) default NULL,
+ `col_4` tinyint(1) default NULL,
+ `col_5` tinyint(1) default NULL,
+ `col_6` tinyint(1) default NULL,
+ `col_7` tinyint(1) default NULL,
+ `col_8` tinyint(1) default NULL,
+ `col_9` tinyint(1) default NULL,
+ `col_10` tinyint(1) default NULL,
+ `col_11` tinyint(1) default NULL,
+ `col_12` tinyint(1) default NULL,
+ `col_13` tinyint(1) default NULL,
+ `col_14` tinyint(1) default NULL,
+ `col_15` tinyint(1) default NULL,
+ `col_16` tinyint(1) default NULL,
+ `col_17` tinyint(1) default NULL,
+ `col_18` tinyint(1) default NULL,
+ `col_19` tinyint(1) default NULL,
+ `col_20` tinyint(1) default NULL,
+ `col_21` tinyint(1) default NULL,
+ `col_22` tinyint(1) default NULL,
+ `col_23` tinyint(1) default NULL,
+ `col_24` tinyint(1) default NULL,
+ `col_25` tinyint(1) default NULL,
+ `col_26` tinyint(1) default NULL,
+ `col_27` tinyint(1) default NULL,
+ `col_28` tinyint(1) default NULL,
+ `col_29` tinyint(1) default NULL,
+ `col_30` tinyint(1) default NULL,
+ `col_31` tinyint(1) default NULL,
+ `col_32` tinyint(1) default NULL,
+ `col_33` tinyint(1) default NULL,
+ `col_34` tinyint(1) default NULL,
+ `col_35` tinyint(1) default NULL,
+ `col_36` tinyint(1) default NULL,
+ `col_37` tinyint(1) default NULL,
+ `col_38` tinyint(1) default NULL,
+ `col_39` tinyint(1) default NULL,
+ `col_40` tinyint(1) default NULL,
+ `col_41` tinyint(1) default NULL,
+ `col_42` tinyint(1) default NULL,
+ `col_43` tinyint(1) default NULL,
+ `col_44` tinyint(1) default NULL,
+ `col_45` tinyint(1) default NULL,
+ `col_46` tinyint(1) default NULL,
+ `col_47` tinyint(1) default NULL,
+ `col_48` tinyint(1) default NULL,
+ `col_49` tinyint(1) default NULL,
+ `col_50` tinyint(1) default NULL,
+ `col_51` tinyint(1) default NULL,
+ `col_52` tinyint(1) default NULL,
+ `col_53` tinyint(1) default NULL,
+ `col_54` tinyint(1) default NULL,
+ `col_55` tinyint(1) default NULL,
+ `col_56` tinyint(1) default NULL,
+ `col_57` tinyint(1) default NULL,
+ `col_58` tinyint(1) default NULL,
+ `col_59` tinyint(1) default NULL,
+ `col_60` tinyint(1) default NULL,
+ `col_61` tinyint(1) default NULL,
+ `col_62` tinyint(1) default NULL,
+ `col_63` tinyint(1) default NULL,
+ `col_64` tinyint(1) default NULL,
+ `col_65` tinyint(1) default NULL,
+ `col_66` tinyint(1) default NULL,
+ `col_67` tinyint(1) default NULL,
+ `col_68` tinyint(1) default NULL,
+ `col_69` tinyint(1) default NULL,
+ `col_70` tinyint(1) default NULL,
+ `col_71` tinyint(1) default NULL,
+ `col_72` tinyint(1) default NULL,
+ `col_73` tinyint(1) default NULL,
+ `col_74` tinyint(1) default NULL,
+ `col_75` tinyint(1) default NULL,
+ `col_76` tinyint(1) default NULL,
+ `col_77` tinyint(1) default NULL,
+ `col_78` tinyint(1) default NULL,
+ `col_79` tinyint(1) default NULL,
+ `col_80` tinyint(1) default NULL,
+ `col_81` tinyint(1) default NULL,
+ `col_82` tinyint(1) default NULL,
+ `col_83` tinyint(1) default NULL,
+ `col_84` tinyint(1) default NULL,
+ `col_85` tinyint(1) default NULL,
+ `col_86` tinyint(1) default NULL,
+ `col_87` tinyint(1) default NULL,
+ `col_88` tinyint(1) default NULL,
+ `col_89` tinyint(1) default NULL,
+ `col_90` tinyint(1) default NULL,
+ `col_91` tinyint(1) default NULL,
+ `col_92` tinyint(1) default NULL,
+ `col_93` tinyint(1) default NULL,
+ `col_94` tinyint(1) default NULL,
+ `col_95` tinyint(1) default NULL,
+ `col_96` tinyint(1) default NULL,
+ `col_97` tinyint(1) default NULL,
+ `col_98` tinyint(1) default NULL,
+ `col_99` tinyint(1) default NULL,
+ `col_100` tinyint(1) default NULL,
+ `col_101` tinyint(1) default NULL,
+ `col_102` tinyint(1) default NULL,
+ `col_103` tinyint(1) default NULL,
+ `col_104` tinyint(1) default NULL,
+ `col_105` tinyint(1) default NULL,
+ `col_106` tinyint(1) default NULL,
+ `col_107` tinyint(1) default NULL,
+ `col_108` tinyint(1) default NULL,
+ `col_109` tinyint(1) default NULL,
+ `col_110` tinyint(1) default NULL,
+ `col_111` tinyint(1) default NULL,
+ `col_112` tinyint(1) default NULL,
+ `col_113` tinyint(1) default NULL,
+ `col_114` tinyint(1) default NULL,
+ `col_115` tinyint(1) default NULL,
+ `col_116` tinyint(1) default NULL,
+ `col_117` tinyint(1) default NULL,
+ `col_118` tinyint(1) default NULL,
+ `col_119` tinyint(1) default NULL,
+ `col_120` tinyint(1) default NULL,
+ `col_121` tinyint(1) default NULL,
+ `col_122` tinyint(1) default NULL,
+ `col_123` tinyint(1) default NULL,
+ `col_124` tinyint(1) default NULL,
+ `col_125` tinyint(1) default NULL,
+ `col_126` tinyint(1) default NULL,
+ `col_127` tinyint(1) default NULL,
+ `col_128` tinyint(1) default NULL,
+ `col_129` tinyint(1) default NULL,
+ `col_130` tinyint(1) default NULL,
+ `col_131` tinyint(1) default NULL,
+ `col_132` tinyint(1) default NULL,
+ `col_133` tinyint(1) default NULL,
+ `col_134` tinyint(1) default NULL,
+ `col_135` tinyint(1) default NULL,
+ `col_136` tinyint(1) default NULL,
+ `col_137` tinyint(1) default NULL,
+ `col_138` tinyint(1) default NULL,
+ `col_139` tinyint(1) default NULL,
+ `col_140` tinyint(1) default NULL,
+ `col_141` tinyint(1) default NULL,
+ `col_142` tinyint(1) default NULL,
+ `col_143` tinyint(1) default NULL,
+ `col_144` tinyint(1) default NULL,
+ `col_145` tinyint(1) default NULL,
+ `col_146` tinyint(1) default NULL,
+ `col_147` tinyint(1) default NULL,
+ `col_148` tinyint(1) default NULL,
+ `col_149` tinyint(1) default NULL,
+ `col_150` tinyint(1) default NULL,
+ `col_151` tinyint(1) default NULL,
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+ `col_659` tinyint(1) default NULL,
+ `col_660` tinyint(1) default NULL,
+ `col_661` tinyint(1) default NULL,
+ `col_662` tinyint(1) default NULL,
+ `col_663` tinyint(1) default NULL,
+ `col_664` tinyint(1) default NULL,
+ `col_665` tinyint(1) default NULL,
+ `col_666` tinyint(1) default NULL,
+ `col_667` tinyint(1) default NULL,
+ `col_668` tinyint(1) default NULL,
+ `col_669` tinyint(1) default NULL,
+ `col_670` tinyint(1) default NULL,
+ `col_671` tinyint(1) default NULL,
+ `col_672` tinyint(1) default NULL,
+ `col_673` tinyint(1) default NULL,
+ `col_674` tinyint(1) default NULL,
+ `col_675` tinyint(1) default NULL,
+ `col_676` tinyint(1) default NULL,
+ `col_677` tinyint(1) default NULL,
+ `col_678` tinyint(1) default NULL,
+ `col_679` tinyint(1) default NULL,
+ `col_680` tinyint(1) default NULL,
+ `col_681` tinyint(1) default NULL,
+ `col_682` tinyint(1) default NULL,
+ `col_683` tinyint(1) default NULL,
+ `col_684` tinyint(1) default NULL,
+ `col_685` tinyint(1) default NULL,
+ `col_686` tinyint(1) default NULL,
+ `col_687` tinyint(1) default NULL,
+ `col_688` tinyint(1) default NULL,
+ `col_689` tinyint(1) default NULL,
+ `col_690` tinyint(1) default NULL,
+ `col_691` tinyint(1) default NULL,
+ `col_692` tinyint(1) default NULL,
+ `col_693` tinyint(1) default NULL,
+ `col_694` tinyint(1) default NULL,
+ `col_695` tinyint(1) default NULL,
+ `col_696` tinyint(1) default NULL,
+ `col_697` tinyint(1) default NULL,
+ `col_698` tinyint(1) default NULL,
+ `col_699` tinyint(1) default NULL,
+ `col_700` tinyint(1) default NULL,
+ `col_701` tinyint(1) default NULL,
+ `col_702` tinyint(1) default NULL,
+ `col_703` tinyint(1) default NULL,
+ `col_704` tinyint(1) default NULL,
+ `col_705` tinyint(1) default NULL,
+ `col_706` tinyint(1) default NULL,
+ `col_707` tinyint(1) default NULL,
+ `col_708` tinyint(1) default NULL,
+ `col_709` tinyint(1) default NULL,
+ `col_710` tinyint(1) default NULL,
+ `col_711` tinyint(1) default NULL,
+ `col_712` tinyint(1) default NULL,
+ `col_713` tinyint(1) default NULL,
+ `col_714` tinyint(1) default NULL,
+ `col_715` tinyint(1) default NULL,
+ `col_716` tinyint(1) default NULL,
+ `col_717` tinyint(1) default NULL,
+ `col_718` tinyint(1) default NULL,
+ `col_719` tinyint(1) default NULL,
+ `col_720` tinyint(1) default NULL,
+ `col_721` tinyint(1) default NULL,
+ `col_722` tinyint(1) default NULL,
+ `col_723` tinyint(1) default NULL,
+ `col_724` tinyint(1) default NULL,
+ `col_725` tinyint(1) default NULL,
+ `col_726` tinyint(1) default NULL,
+ `col_727` tinyint(1) default NULL,
+ `col_728` tinyint(1) default NULL,
+ `col_729` tinyint(1) default NULL,
+ `col_730` tinyint(1) default NULL,
+ `col_731` tinyint(1) default NULL,
+ `col_732` tinyint(1) default NULL,
+ `col_733` tinyint(1) default NULL,
+ `col_734` tinyint(1) default NULL,
+ `col_735` tinyint(1) default NULL,
+ `col_736` tinyint(1) default NULL,
+ `col_737` tinyint(1) default NULL,
+ `col_738` tinyint(1) default NULL,
+ `col_739` tinyint(1) default NULL,
+ `col_740` tinyint(1) default NULL,
+ `col_741` tinyint(1) default NULL,
+ `col_742` tinyint(1) default NULL,
+ `col_743` tinyint(1) default NULL,
+ `col_744` tinyint(1) default NULL,
+ `col_745` tinyint(1) default NULL,
+ `col_746` tinyint(1) default NULL,
+ `col_747` tinyint(1) default NULL,
+ `col_748` tinyint(1) default NULL,
+ `col_749` tinyint(1) default NULL,
+ `col_750` tinyint(1) default NULL,
+ `col_751` tinyint(1) default NULL,
+ `col_752` tinyint(1) default NULL,
+ `col_753` tinyint(1) default NULL,
+ `col_754` tinyint(1) default NULL,
+ `col_755` tinyint(1) default NULL,
+ `col_756` tinyint(1) default NULL,
+ `col_757` tinyint(1) default NULL,
+ `col_758` tinyint(1) default NULL,
+ `col_759` tinyint(1) default NULL,
+ `col_760` tinyint(1) default NULL,
+ `col_761` tinyint(1) default NULL,
+ `col_762` tinyint(1) default NULL,
+ `col_763` tinyint(1) default NULL,
+ `col_764` tinyint(1) default NULL,
+ `col_765` tinyint(1) default NULL,
+ `col_766` tinyint(1) default NULL,
+ `col_767` tinyint(1) default NULL,
+ `col_768` tinyint(1) default NULL,
+ `col_769` tinyint(1) default NULL,
+ `col_770` tinyint(1) default NULL,
+ `col_771` tinyint(1) default NULL,
+ `col_772` tinyint(1) default NULL,
+ `col_773` tinyint(1) default NULL,
+ `col_774` tinyint(1) default NULL,
+ `col_775` tinyint(1) default NULL,
+ `col_776` tinyint(1) default NULL,
+ `col_777` tinyint(1) default NULL,
+ `col_778` tinyint(1) default NULL,
+ `col_779` tinyint(1) default NULL,
+ `col_780` tinyint(1) default NULL,
+ `col_781` tinyint(1) default NULL,
+ `col_782` tinyint(1) default NULL,
+ `col_783` tinyint(1) default NULL,
+ `col_784` tinyint(1) default NULL,
+ `col_785` tinyint(1) default NULL,
+ `col_786` tinyint(1) default NULL,
+ `col_787` tinyint(1) default NULL,
+ `col_788` tinyint(1) default NULL,
+ `col_789` tinyint(1) default NULL,
+ `col_790` tinyint(1) default NULL,
+ `col_791` tinyint(1) default NULL,
+ `col_792` tinyint(1) default NULL,
+ `col_793` tinyint(1) default NULL,
+ `col_794` tinyint(1) default NULL,
+ `col_795` tinyint(1) default NULL,
+ `col_796` tinyint(1) default NULL,
+ `col_797` tinyint(1) default NULL,
+ `col_798` tinyint(1) default NULL,
+ `col_799` tinyint(1) default NULL,
+ `col_800` tinyint(1) default NULL,
+ `col_801` tinyint(1) default NULL,
+ `col_802` tinyint(1) default NULL,
+ `col_803` tinyint(1) default NULL,
+ `col_804` tinyint(1) default NULL,
+ `col_805` tinyint(1) default NULL,
+ `col_806` tinyint(1) default NULL,
+ `col_807` tinyint(1) default NULL,
+ `col_808` tinyint(1) default NULL,
+ `col_809` tinyint(1) default NULL,
+ `col_810` tinyint(1) default NULL,
+ `col_811` tinyint(1) default NULL,
+ `col_812` tinyint(1) default NULL,
+ `col_813` tinyint(1) default NULL,
+ `col_814` tinyint(1) default NULL,
+ `col_815` tinyint(1) default NULL,
+ `col_816` tinyint(1) default NULL,
+ `col_817` tinyint(1) default NULL,
+ `col_818` tinyint(1) default NULL,
+ `col_819` tinyint(1) default NULL,
+ `col_820` tinyint(1) default NULL,
+ `col_821` tinyint(1) default NULL,
+ `col_822` tinyint(1) default NULL,
+ `col_823` tinyint(1) default NULL,
+ `col_824` tinyint(1) default NULL,
+ `col_825` tinyint(1) default NULL,
+ `col_826` tinyint(1) default NULL,
+ `col_827` tinyint(1) default NULL,
+ `col_828` tinyint(1) default NULL,
+ `col_829` tinyint(1) default NULL,
+ `col_830` tinyint(1) default NULL,
+ `col_831` tinyint(1) default NULL,
+ `col_832` tinyint(1) default NULL,
+ `col_833` tinyint(1) default NULL,
+ `col_834` tinyint(1) default NULL,
+ `col_835` tinyint(1) default NULL,
+ `col_836` tinyint(1) default NULL,
+ `col_837` tinyint(1) default NULL,
+ `col_838` tinyint(1) default NULL,
+ `col_839` tinyint(1) default NULL,
+ `col_840` tinyint(1) default NULL,
+ `col_841` tinyint(1) default NULL,
+ `col_842` tinyint(1) default NULL,
+ `col_843` tinyint(1) default NULL,
+ `col_844` tinyint(1) default NULL,
+ `col_845` tinyint(1) default NULL,
+ `col_846` tinyint(1) default NULL,
+ `col_847` tinyint(1) default NULL,
+ `col_848` tinyint(1) default NULL,
+ `col_849` tinyint(1) default NULL,
+ `col_850` tinyint(1) default NULL,
+ `col_851` tinyint(1) default NULL,
+ `col_852` tinyint(1) default NULL,
+ `col_853` tinyint(1) default NULL,
+ `col_854` tinyint(1) default NULL,
+ `col_855` tinyint(1) default NULL,
+ `col_856` tinyint(1) default NULL,
+ `col_857` tinyint(1) default NULL,
+ `col_858` tinyint(1) default NULL,
+ `col_859` tinyint(1) default NULL,
+ `col_860` tinyint(1) default NULL,
+ `col_861` tinyint(1) default NULL,
+ `col_862` tinyint(1) default NULL,
+ `col_863` tinyint(1) default NULL,
+ `col_864` tinyint(1) default NULL,
+ `col_865` tinyint(1) default NULL,
+ `col_866` tinyint(1) default NULL,
+ `col_867` tinyint(1) default NULL,
+ `col_868` tinyint(1) default NULL,
+ `col_869` tinyint(1) default NULL,
+ `col_870` tinyint(1) default NULL,
+ `col_871` tinyint(1) default NULL,
+ `col_872` tinyint(1) default NULL,
+ `col_873` tinyint(1) default NULL,
+ `col_874` tinyint(1) default NULL,
+ `col_875` tinyint(1) default NULL,
+ `col_876` tinyint(1) default NULL,
+ `col_877` tinyint(1) default NULL,
+ `col_878` tinyint(1) default NULL,
+ `col_879` tinyint(1) default NULL,
+ `col_880` tinyint(1) default NULL,
+ `col_881` tinyint(1) default NULL,
+ `col_882` tinyint(1) default NULL,
+ `col_883` tinyint(1) default NULL,
+ `col_884` tinyint(1) default NULL,
+ `col_885` tinyint(1) default NULL,
+ `col_886` tinyint(1) default NULL,
+ `col_887` tinyint(1) default NULL,
+ `col_888` tinyint(1) default NULL,
+ `col_889` tinyint(1) default NULL,
+ `col_890` tinyint(1) default NULL,
+ `col_891` tinyint(1) default NULL,
+ `col_892` tinyint(1) default NULL,
+ `col_893` tinyint(1) default NULL,
+ `col_894` tinyint(1) default NULL,
+ `col_895` tinyint(1) default NULL,
+ `col_896` tinyint(1) default NULL,
+ `col_897` tinyint(1) default NULL,
+ `col_898` tinyint(1) default NULL,
+ `col_899` tinyint(1) default NULL,
+ `col_900` tinyint(1) default NULL,
+ `col_901` tinyint(1) default NULL,
+ `col_902` tinyint(1) default NULL,
+ `col_903` tinyint(1) default NULL,
+ `col_904` tinyint(1) default NULL,
+ `col_905` tinyint(1) default NULL,
+ `col_906` tinyint(1) default NULL,
+ `col_907` tinyint(1) default NULL,
+ `col_908` tinyint(1) default NULL,
+ `col_909` tinyint(1) default NULL,
+ `col_910` tinyint(1) default NULL,
+ `col_911` tinyint(1) default NULL,
+ `col_912` tinyint(1) default NULL,
+ `col_913` tinyint(1) default NULL,
+ `col_914` tinyint(1) default NULL,
+ `col_915` tinyint(1) default NULL,
+ `col_916` tinyint(1) default NULL,
+ `col_917` tinyint(1) default NULL,
+ `col_918` tinyint(1) default NULL,
+ `col_919` tinyint(1) default NULL,
+ `col_920` tinyint(1) default NULL,
+ `col_921` tinyint(1) default NULL,
+ `col_922` tinyint(1) default NULL,
+ `col_923` tinyint(1) default NULL,
+ `col_924` tinyint(1) default NULL,
+ `col_925` tinyint(1) default NULL,
+ `col_926` tinyint(1) default NULL,
+ `col_927` tinyint(1) default NULL,
+ `col_928` tinyint(1) default NULL,
+ `col_929` tinyint(1) default NULL,
+ `col_930` tinyint(1) default NULL,
+ `col_931` tinyint(1) default NULL,
+ `col_932` tinyint(1) default NULL,
+ `col_933` tinyint(1) default NULL,
+ `col_934` tinyint(1) default NULL,
+ `col_935` tinyint(1) default NULL,
+ `col_936` tinyint(1) default NULL,
+ `col_937` tinyint(1) default NULL,
+ `col_938` tinyint(1) default NULL,
+ `col_939` tinyint(1) default NULL,
+ `col_940` tinyint(1) default NULL,
+ `col_941` tinyint(1) default NULL,
+ `col_942` tinyint(1) default NULL,
+ `col_943` tinyint(1) default NULL,
+ `col_944` tinyint(1) default NULL,
+ `col_945` tinyint(1) default NULL,
+ `col_946` tinyint(1) default NULL,
+ `col_947` tinyint(1) default NULL,
+ `col_948` tinyint(1) default NULL,
+ `col_949` tinyint(1) default NULL,
+ `col_950` tinyint(1) default NULL,
+ `col_951` tinyint(1) default NULL,
+ `col_952` tinyint(1) default NULL,
+ `col_953` tinyint(1) default NULL,
+ `col_954` tinyint(1) default NULL,
+ `col_955` tinyint(1) default NULL,
+ `col_956` tinyint(1) default NULL,
+ `col_957` tinyint(1) default NULL,
+ `col_958` tinyint(1) default NULL,
+ `col_959` tinyint(1) default NULL,
+ `col_960` tinyint(1) default NULL,
+ `col_961` tinyint(1) default NULL,
+ `col_962` tinyint(1) default NULL,
+ `col_963` tinyint(1) default NULL,
+ `col_964` tinyint(1) default NULL,
+ `col_965` tinyint(1) default NULL,
+ `col_966` tinyint(1) default NULL,
+ `col_967` tinyint(1) default NULL,
+ `col_968` tinyint(1) default NULL,
+ `col_969` tinyint(1) default NULL,
+ `col_970` tinyint(1) default NULL,
+ `col_971` tinyint(1) default NULL,
+ `col_972` tinyint(1) default NULL,
+ `col_973` tinyint(1) default NULL,
+ `col_974` tinyint(1) default NULL,
+ `col_975` tinyint(1) default NULL,
+ `col_976` tinyint(1) default NULL,
+ `col_977` tinyint(1) default NULL,
+ `col_978` tinyint(1) default NULL,
+ `col_979` tinyint(1) default NULL,
+ `col_980` tinyint(1) default NULL,
+ `col_981` tinyint(1) default NULL,
+ `col_982` tinyint(1) default NULL,
+ `col_983` tinyint(1) default NULL,
+ `col_984` tinyint(1) default NULL,
+ `col_985` tinyint(1) default NULL,
+ `col_986` tinyint(1) default NULL,
+ `col_987` tinyint(1) default NULL,
+ `col_988` tinyint(1) default NULL,
+ `col_989` tinyint(1) default NULL,
+ `col_990` tinyint(1) default NULL,
+ `col_991` tinyint(1) default NULL,
+ `col_992` tinyint(1) default NULL,
+ `col_993` tinyint(1) default NULL,
+ `col_994` tinyint(1) default NULL,
+ `col_995` tinyint(1) default NULL,
+ `col_996` tinyint(1) default NULL,
+ `col_997` tinyint(1) default NULL,
+ `col_998` tinyint(1) default NULL,
+ `col_999` tinyint(1) default NULL,
+ `col_1000` tinyint(1) default NULL,
+ `col_1001` tinyint(1) default NULL,
+ `col_1002` tinyint(1) default NULL,
+ `col_1003` tinyint(1) default NULL,
+ `col_1004` tinyint(1) default NULL,
+ `col_1005` tinyint(1) default NULL,
+ `col_1006` tinyint(1) default NULL,
+ `col_1007` tinyint(1) default NULL,
+ `col_1008` tinyint(1) default NULL,
+ `col_1009` tinyint(1) default NULL,
+ `col_1010` tinyint(1) default NULL,
+ `col_1011` tinyint(1) default NULL,
+ `col_1012` tinyint(1) default NULL,
+ `col_1013` tinyint(1) default NULL,
+ `col_1014` tinyint(1) default NULL,
+ `col_1015` tinyint(1) default NULL,
+ `col_1016` tinyint(1) default NULL,
+ `col_1017` tinyint(1) default NULL,
+ `col_1018` tinyint(1) default NULL,
+ `col_1019` tinyint(1) default NULL,
+ `col_1020` tinyint(1) default NULL,
+ `col_1021` tinyint(1) default NULL,
+ `col_1022` tinyint(1) default NULL,
+ `col_1023` tinyint(1) default NULL,
+ `col_1024` tinyint(1) default NULL,
+ `col_1025` tinyint(1) default NULL
+) ENGINE=MyISAM DEFAULT CHARSET=utf8;
+--enable_query_log
+CREATE VIEW v1 AS SELECT * FROM t1;
+
+INSERT INTO t1 VALUES();
+SELECT COUNT(*) FROM v1;
+
+--exec $MYSQL_DUMP --allow-keywords --single-transaction --quick --verbose test --result-file $MYSQL_TEST_DIR/var/tmp/bug31434.sql
+--exec $MYSQL test < $MYSQL_TEST_DIR/var/tmp/bug31434.sql
+--remove_file $MYSQL_TEST_DIR/var/tmp/bug31434.sql
+
+SELECT COUNT(*) FROM v1;
+
+DROP VIEW v1;
+DROP TABLE t1;
+
+SET GLOBAL storage_engine=@old_engine;
=== modified file 'mysql-test/t/user_var.test'
--- a/mysql-test/t/user_var.test 2007-12-13 12:59:16 +0000
+++ b/mysql-test/t/user_var.test 2008-09-18 09:06:39 +0000
@@ -263,4 +263,26 @@ from t1 order by score desc;
--enable_result_log
drop table t1;
+#
+# Bug#26020: User-Defined Variables are not consistent with columns data types
+#
+
+create table t1(b bigint);
+insert into t1 (b) values (10), (30), (10);
+set @var := 0;
+select if(b=@var, 999, b) , @var := b from t1 order by b;
+drop table t1;
+
+create temporary table t1 (id int);
+insert into t1 values (2), (3), (3), (4);
+set @lastid=-1;
+select @lastid != id, @lastid, @lastid := id from t1;
+drop table t1;
+
+create temporary table t1 (id bigint);
+insert into t1 values (2), (3), (3), (4);
+set @lastid=-1;
+select @lastid != id, @lastid, @lastid := id from t1;
+drop table t1;
+
--echo End of 5.1 tests
=== modified file 'sql/event_db_repository.cc'
--- a/sql/event_db_repository.cc 2008-07-17 19:55:18 +0000
+++ b/sql/event_db_repository.cc 2008-09-18 09:06:39 +0000
@@ -185,6 +185,8 @@ mysql_event_fill_row(THD *thd,
DBUG_PRINT("info", ("dbname=[%s]", et->dbname.str));
DBUG_PRINT("info", ("name =[%s]", et->name.str));
+ DBUG_ASSERT(et->on_completion != Event_parse_data::ON_COMPLETION_DEFAULT);
+
if (table->s->fields < ET_FIELD_COUNT)
{
/*
@@ -746,6 +748,18 @@ Event_db_repository::update_event(THD *t
store_record(table,record[1]);
+ /*
+ We check whether ALTER EVENT was given dates that are in the past.
+ However to know how to react, we need the ON COMPLETION type. The
+ check is deferred to this point because by now we have the previous
+ setting (from the event-table) to fall back on if nothing was specified
+ in the ALTER EVENT-statement.
+ */
+
+ if (parse_data->check_dates(thd,
+ table->field[ET_FIELD_ON_COMPLETION]->val_int()))
+ goto end;
+
/* Don't update create on row update. */
table->timestamp_field_type= TIMESTAMP_NO_AUTO_SET;
=== modified file 'sql/event_parse_data.cc'
--- a/sql/event_parse_data.cc 2008-05-09 07:43:02 +0000
+++ b/sql/event_parse_data.cc 2008-08-18 11:05:51 +0000
@@ -45,7 +45,7 @@ Event_parse_data::new_instance(THD *thd)
*/
Event_parse_data::Event_parse_data()
- :on_completion(Event_parse_data::ON_COMPLETION_DROP),
+ :on_completion(Event_parse_data::ON_COMPLETION_DEFAULT),
status(Event_parse_data::ENABLED),
do_not_create(FALSE),
body_changed(FALSE),
@@ -114,6 +114,12 @@ Event_parse_data::check_if_in_the_past(T
if (ltime_utc >= (my_time_t) thd->query_start())
return;
+ /*
+ We'll come back later when we have the real on_completion value
+ */
+ if (on_completion == Event_parse_data::ON_COMPLETION_DEFAULT)
+ return;
+
if (on_completion == Event_parse_data::ON_COMPLETION_DROP)
{
switch (thd->lex->sql_command) {
@@ -142,6 +148,42 @@ Event_parse_data::check_if_in_the_past(T
/*
+ Check time/dates in ALTER EVENT
+
+ We check whether ALTER EVENT was given dates that are in the past.
+ However to know how to react, we need the ON COMPLETION type. Hence,
+ the check is deferred until we have the previous ON COMPLETION type
+ from the event-db to fall back on if nothing was specified in the
+ ALTER EVENT-statement.
+
+ SYNOPSIS
+ Event_parse_data::check_dates()
+ thd Thread
+ on_completion ON COMPLETION value currently in event-db.
+ Will be overridden by value in ALTER EVENT if given.
+
+ RETURN VALUE
+ TRUE an error occurred, do not ALTER
+ FALSE OK
+*/
+
+bool
+Event_parse_data::check_dates(THD *thd, int previous_on_completion)
+{
+ if (on_completion == Event_parse_data::ON_COMPLETION_DEFAULT)
+ {
+ on_completion= previous_on_completion;
+ if (!ends_null)
+ check_if_in_the_past(thd, ends);
+ if (!execute_at_null)
+ check_if_in_the_past(thd, execute_at);
+ }
+ return do_not_create;
+}
+
+
+
+/*
Sets time for execution for one-time event.
SYNOPSIS
=== modified file 'sql/event_parse_data.h'
--- a/sql/event_parse_data.h 2008-05-09 07:43:02 +0000
+++ b/sql/event_parse_data.h 2008-08-18 11:05:51 +0000
@@ -38,7 +38,12 @@ public:
enum enum_on_completion
{
- ON_COMPLETION_DROP = 1,
+ /*
+ On CREATE EVENT, DROP is the DEFAULT as per the docs.
+ On ALTER EVENT, "no change" is the DEFAULT.
+ */
+ ON_COMPLETION_DEFAULT = 0,
+ ON_COMPLETION_DROP,
ON_COMPLETION_PRESERVE
};
@@ -80,6 +85,9 @@ public:
bool
check_parse_data(THD *thd);
+ bool
+ check_dates(THD *thd, int previous_on_completion);
+
private:
void
=== modified file 'sql/item_func.cc'
--- a/sql/item_func.cc 2008-08-07 03:05:33 +0000
+++ b/sql/item_func.cc 2008-09-18 09:06:39 +0000
@@ -3884,6 +3884,24 @@ static user_var_entry *get_variable(HASH
return entry;
}
+
+bool Item_func_set_user_var::set_entry(THD *thd, bool create_if_not_exists)
+{
+ if (thd == entry_thd && entry)
+ return FALSE;
+ entry_thd= thd;
+ if (!(entry= get_variable(&thd->user_vars, name, create_if_not_exists)))
+ return TRUE;
+ /*
+ Remember the last query which updated it, this way a query can later know
+ if this variable is a constant item in the query (it is if update_query_id
+ is different from query_id).
+ */
+ entry->update_query_id= thd->query_id;
+ return FALSE;
+}
+
+
/*
When a user variable is updated (in a SET command or a query like
SELECT @a:= ).
@@ -3893,15 +3911,8 @@ bool Item_func_set_user_var::fix_fields(
{
DBUG_ASSERT(fixed == 0);
/* fix_fields will call Item_func_set_user_var::fix_length_and_dec */
- if (Item_func::fix_fields(thd, ref) ||
- !(entry= get_variable(&thd->user_vars, name, 1)))
+ if (Item_func::fix_fields(thd, ref) || set_entry(thd, TRUE))
return TRUE;
- /*
- Remember the last query which updated it, this way a query can later know
- if this variable is a constant item in the query (it is if update_query_id
- is different from query_id).
- */
- entry->update_query_id= thd->query_id;
/*
As it is wrong and confusing to associate any
character set with NULL, @a should be latin2
=== modified file 'sql/item_func.h'
--- a/sql/item_func.h 2008-05-29 15:44:11 +0000
+++ b/sql/item_func.h 2008-09-18 09:06:39 +0000
@@ -1293,6 +1293,17 @@ class Item_func_set_user_var :public Ite
{
enum Item_result cached_result_type;
user_var_entry *entry;
+ /*
+ The entry_thd variable is used:
+ 1) to skip unnecessary updates of the entry field (see above);
+ 2) to reset the entry field that was initialized in the other thread
+ (for example, an item tree of a trigger that updates user variables
+ may be shared between several connections, and the entry_thd field
+ prevents updates of one connection user variables from a concurrent
+ connection calling the same trigger that initially updated some
+ user variable it the first connection context).
+ */
+ THD *entry_thd;
char buffer[MAX_FIELD_WIDTH];
String value;
my_decimal decimal_buff;
@@ -1308,7 +1319,8 @@ class Item_func_set_user_var :public Ite
public:
LEX_STRING name; // keep it public
Item_func_set_user_var(LEX_STRING a,Item *b)
- :Item_func(b), cached_result_type(INT_RESULT), name(a)
+ :Item_func(b), cached_result_type(INT_RESULT),
+ entry(NULL), entry_thd(NULL), name(a)
{}
enum Functype functype() const { return SUSERVAR_FUNC; }
double val_real();
@@ -1339,6 +1351,7 @@ public:
}
void save_org_in_field(Field *field) { (void)save_in_field(field, 1, 0); }
bool register_field_in_read_map(uchar *arg);
+ bool set_entry(THD *thd, bool create_if_not_exists);
};
=== modified file 'sql/sql_base.cc'
--- a/sql/sql_base.cc 2008-09-08 08:52:36 +0000
+++ b/sql/sql_base.cc 2008-09-18 09:06:39 +0000
@@ -6491,6 +6491,22 @@ bool setup_fields(THD *thd, Item **ref_p
if (ref_pointer_array)
bzero(ref_pointer_array, sizeof(Item *) * fields.elements);
+ /*
+ We call set_entry() there (before fix_fields() of the whole list of field
+ items) because:
+ 1) the list of field items has same order as in the query, and the
+ Item_func_get_user_var item may go before the Item_func_set_user_var:
+ SELECT @a, @a := 10 FROM t;
+ 2) The entry->update_query_id value controls constantness of
+ Item_func_get_user_var items, so in presence of Item_func_set_user_var
+ items we have to refresh their entries before fixing of
+ Item_func_get_user_var items.
+ */
+ List_iterator<Item_func_set_user_var> li(thd->lex->set_var_list);
+ Item_func_set_user_var *var;
+ while ((var= li++))
+ var->set_entry(thd, FALSE);
+
Item **ref= ref_pointer_array;
thd->lex->current_select->cur_pos_in_select_list= 0;
while ((item= it++))
=== modified file 'sql/sql_lex.cc'
--- a/sql/sql_lex.cc 2008-07-15 16:29:51 +0000
+++ b/sql/sql_lex.cc 2008-09-18 09:06:39 +0000
@@ -303,6 +303,7 @@ void lex_start(THD *thd)
lex->select_lex.init_query();
lex->value_list.empty();
lex->update_list.empty();
+ lex->set_var_list.empty();
lex->param_list.empty();
lex->view_list.empty();
lex->prepared_stmt_params.empty();
=== modified file 'sql/sql_lex.h'
--- a/sql/sql_lex.h 2008-08-20 10:29:58 +0000
+++ b/sql/sql_lex.h 2008-09-18 09:06:39 +0000
@@ -1572,6 +1572,7 @@ typedef struct st_lex : public Query_tab
List<Item> *insert_list,field_list,value_list,update_list;
List<List_item> many_values;
List<set_var_base> var_list;
+ List<Item_func_set_user_var> set_var_list; // in-query assignment list
List<Item_param> param_list;
List<LEX_STRING> view_list; // view list (list of field names in view)
/*
=== modified file 'sql/sql_yacc.yy'
--- a/sql/sql_yacc.yy 2008-09-10 08:38:07 +0000
+++ b/sql/sql_yacc.yy 2008-09-18 09:06:39 +0000
@@ -1972,6 +1972,8 @@ event_tail:
if (!(lex->event_parse_data= Event_parse_data::new_instance(thd)))
MYSQL_YYABORT;
lex->event_parse_data->identifier= $3;
+ lex->event_parse_data->on_completion=
+ Event_parse_data::ON_COMPLETION_DROP;
lex->sql_command= SQLCOM_CREATE_EVENT;
/* We need that for disallowing subqueries */
@@ -8490,11 +8492,13 @@ variable:
variable_aux:
ident_or_text SET_VAR expr
{
- $$= new (YYTHD->mem_root) Item_func_set_user_var($1, $3);
+ Item_func_set_user_var *item;
+ $$= item= new (YYTHD->mem_root) Item_func_set_user_var($1, $3);
if ($$ == NULL)
MYSQL_YYABORT;
LEX *lex= Lex;
lex->uncacheable(UNCACHEABLE_RAND);
+ lex->set_var_list.push_back(item);
}
| ident_or_text
{
| Thread | ||
|---|---|---|
| • bzr push into mysql-6.0 branch (gshchepa:2835 to 2836) | Gleb Shchepa | 18 Sep |
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