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Merge mysql.com:/usr/local/bk/mysql-5.0

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into mysql.com:/home/pem/work/mysql-5.0


sql/item_subselect.cc:
  Auto merged
sql/mysql_priv.h:
  Auto merged
sql/sql_parse.cc:
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This commit is contained in:
unknown
2005-05-31 12:07:16 +02:00
parent 2e113adab3 b1480cc00d
commit c50f4be351
21 changed files with 371 additions and 112 deletions
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12
mysql-test/r/group_min_max.result
View File

@ -133,13 +133,13 @@ Table Op Msg_type Msg_text
test.t3 analyze status Table is already up to date
explain select a1, min(a2) from t1 group by a1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 65 NULL 5 Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 5 Using index for group-by
explain select a1, max(a2) from t1 group by a1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 65 NULL 5 Using index for group-by
explain select a1, min(a2), max(a2) from t1 group by a1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 65 NULL 5 Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 5 Using index for group-by
explain select a1, a2, b, min(c), max(c) from t1 group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 147 NULL 17 Using index for group-by
@ -151,13 +151,13 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range NULL idx_t2_1 # NULL # Using index for group-by
explain select min(a2), a1, max(a2), min(a2), a1 from t1 group by a1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 65 NULL 5 Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 5 Using index for group-by
explain select a1, b, min(c), a1, max(c), b, a2, max(c), max(c) from t1 group by a1, a2, b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 147 NULL 17 Using index for group-by
explain select min(a2) from t1 group by a1;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 65 NULL 5 Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 5 Using index for group-by
explain select a2, min(c), max(c) from t1 group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 147 NULL 17 Using index for group-by
@ -1404,7 +1404,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by
explain select a1,a2,b,min(c) from t2 where (a1 > 'a') and (a2 > 'a') and (b = 'c') group by a1,a2,b;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 146 NULL # Using where; Using index for group-by
1 SIMPLE t2 range idx_t2_0,idx_t2_1,idx_t2_2 idx_t2_1 163 NULL # Using where; Using index for group-by
select a1,a2,b,min(c),max(c) from t1 where (a1 >= 'c' or a2 < 'b') and (b > 'a') group by a1,a2,b;
a1 a2 b min(c) max(c)
a a b e112 h112
@ -1838,7 +1838,7 @@ id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range idx_t1_0,idx_t1_1,idx_t1_2 idx_t1_1 147 NULL 10 Using where; Using index for group-by
explain select concat(ord(min(b)),ord(max(b))),min(b),max(b) from t1 group by a1,a2;
id select_type table type possible_keys key key_len ref rows Extra
1 SIMPLE t1 range NULL idx_t1_1 130 NULL 9 Using index for group-by
1 SIMPLE t1 range NULL idx_t1_1 147 NULL 9 Using index for group-by
select a1,a2,b, concat(min(c), max(c)) from t1 where a1 < 'd' group by a1,a2,b;
a1 a2 b concat(min(c), max(c))
a a a a111d111

4
mysql-test/r/information_schema.result
View File

@ -470,7 +470,7 @@ s1
drop table t1;
SHOW CREATE TABLE INFORMATION_SCHEMA.character_sets;
Table Create Table
character_sets CREATE TEMPORARY TABLE `character_sets` (
CHARACTER_SETS CREATE TEMPORARY TABLE `CHARACTER_SETS` (
`CHARACTER_SET_NAME` varchar(64) NOT NULL default '',
`DEFAULT_COLLATE_NAME` varchar(64) NOT NULL default '',
`DESCRIPTION` varchar(60) NOT NULL default '',
@ -479,7 +479,7 @@ character_sets CREATE TEMPORARY TABLE `character_sets` (
set names latin2;
SHOW CREATE TABLE INFORMATION_SCHEMA.character_sets;
Table Create Table
character_sets CREATE TEMPORARY TABLE `character_sets` (
CHARACTER_SETS CREATE TEMPORARY TABLE `CHARACTER_SETS` (
`CHARACTER_SET_NAME` varchar(64) NOT NULL default '',
`DEFAULT_COLLATE_NAME` varchar(64) NOT NULL default '',
`DESCRIPTION` varchar(60) NOT NULL default '',

167
mysql-test/r/trigger.result
View File

@ -315,3 +315,170 @@ i j k @b
3 4 3 Fired
5 6 5 Fired
drop table t1;
create table t1 (i int, at int, k int, key(k)) engine=myisam;
create table t2 (i int);
insert into t1 values (1, 1, 1);
insert into t2 values (1), (2), (3);
create trigger ai after insert on t1 for each row set @a:= new.at;
create trigger au after update on t1 for each row set @a:= new.at;
create trigger ad after delete on t1 for each row set @a:= old.at;
alter table t1 drop column at;
select * from t1;
i k
1 1
insert into t1 values (2, 1);
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
2 1
update t1 set k = 2 where i = 2;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
2 2
delete from t1 where i = 2;
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k
1 1
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
1 2
insert into t1 select 3, 3;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 1
1 2
3 3
update t1, t2 set k = k + 10 where t1.i = t2.i;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 11
1 2
3 3
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 3;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
1 11
1 12
3 3
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k
1 12
3 3
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k
3 3
alter table t1 add primary key (i);
insert into t1 values (3, 4) on duplicate key update k= k + 10;
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
3 13
replace into t1 values (3, 3);
ERROR 42S22: Unknown column 'at' in 'NEW'
select * from t1;
i k
3 3
alter table t1 add ts timestamp default now();
replace into t1 (i, k) values (3, 13);
ERROR 42S22: Unknown column 'at' in 'OLD'
select * from t1;
i k ts
drop table t1, t2;
create table t1 (i int, bt int, k int, key(k)) engine=myisam;
create table t2 (i int);
insert into t1 values (1, 1, 1), (2, 2, 2);
insert into t2 values (1), (2), (3);
create trigger bi before insert on t1 for each row set @a:= new.bt;
create trigger bu before update on t1 for each row set @a:= new.bt;
create trigger bd before delete on t1 for each row set @a:= old.bt;
alter table t1 drop column bt;
insert into t1 values (3, 3);
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
update t1 set i = 2;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
delete from t1;
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k
1 1
2 2
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
insert into t1 select 3, 3;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
update t1, t2 set k = k + 10 where t1.i = t2.i;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 2;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k
1 1
2 2
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k
1 1
2 2
alter table t1 add primary key (i);
drop trigger t1.bi;
insert into t1 values (2, 4) on duplicate key update k= k + 10;
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
replace into t1 values (2, 4);
ERROR 42S22: Unknown column 'bt' in 'NEW'
select * from t1;
i k
1 1
2 2
alter table t1 add ts timestamp default now();
replace into t1 (i, k) values (2, 11);
ERROR 42S22: Unknown column 'bt' in 'OLD'
select * from t1;
i k ts
1 1 0000-00-00 00:00:00
2 2 0000-00-00 00:00:00
drop table t1, t2;

127
mysql-test/t/trigger.test
View File

@ -367,3 +367,130 @@ load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated
select *, @b from t1;
# This also will drop triggers
drop table t1;
# Test for bug #5894 "Triggers with altered tables cause corrupt databases"
# Also tests basic error handling for various kinds of triggers.
create table t1 (i int, at int, k int, key(k)) engine=myisam;
create table t2 (i int);
insert into t1 values (1, 1, 1);
# We need at least 3 elements in t2 to test multi-update properly
insert into t2 values (1), (2), (3);
# Create and then break "after" triggers
create trigger ai after insert on t1 for each row set @a:= new.at;
create trigger au after update on t1 for each row set @a:= new.at;
create trigger ad after delete on t1 for each row set @a:= old.at;
alter table t1 drop column at;
# We still should be able select data from tables.
select * from t1;
# The following statements changing t1 should fail, but still cause
# their main effect. This is because operation on the table row is
# executed before "after" trigger and its effect cannot be rolled back
# when whole statement fails, because t1 is MyISAM table.
--error 1054
insert into t1 values (2, 1);
select * from t1;
--error 1054
update t1 set k = 2 where i = 2;
select * from t1;
--error 1054
delete from t1 where i = 2;
select * from t1;
# Should fail and insert only 1 row
--error 1054
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
select * from t1;
--error 1054
insert into t1 select 3, 3;
select * from t1;
# Multi-update working on the fly, again it will update only
# one row even if more matches
--error 1054
update t1, t2 set k = k + 10 where t1.i = t2.i;
select * from t1;
# The same for multi-update via temp table
--error 1054
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 3;
select * from t1;
# Multi-delete on the fly
--error 1054
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
select * from t1;
# And via temporary storage
--error 1054
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
select * from t1;
# Prepare table for testing of REPLACE and INSERT ... ON DUPLICATE KEY UPDATE
alter table t1 add primary key (i);
--error 1054
insert into t1 values (3, 4) on duplicate key update k= k + 10;
select * from t1;
--error 1054
replace into t1 values (3, 3);
select * from t1;
# Change table in such way that REPLACE will delete row
alter table t1 add ts timestamp default now();
--error 1054
replace into t1 (i, k) values (3, 13);
select * from t1;
# Also drops all triggers
drop table t1, t2;
create table t1 (i int, bt int, k int, key(k)) engine=myisam;
create table t2 (i int);
insert into t1 values (1, 1, 1), (2, 2, 2);
insert into t2 values (1), (2), (3);
# Create and then break "before" triggers
create trigger bi before insert on t1 for each row set @a:= new.bt;
create trigger bu before update on t1 for each row set @a:= new.bt;
create trigger bd before delete on t1 for each row set @a:= old.bt;
alter table t1 drop column bt;
# The following statements changing t1 should fail and should not
# cause any effect on table, since "before" trigger is executed
# before operation on the table row.
--error 1054
insert into t1 values (3, 3);
select * from t1;
--error 1054
update t1 set i = 2;
select * from t1;
--error 1054
delete from t1;
select * from t1;
--error 1054
load data infile '../../std_data/loaddata5.dat' into table t1 fields terminated by '' enclosed by '' (i, k);
select * from t1;
--error 1054
insert into t1 select 3, 3;
select * from t1;
# Both types of multi-update (on the fly and via temp table)
--error 1054
update t1, t2 set k = k + 10 where t1.i = t2.i;
select * from t1;
--error 1054
update t1, t2 set k = k + 10 where t1.i = t2.i and k < 2;
select * from t1;
# Both types of multi-delete
--error 1054
delete t1, t2 from t1 straight_join t2 where t1.i = t2.i;
select * from t1;
--error 1054
delete t2, t1 from t2 straight_join t1 where t1.i = t2.i;
select * from t1;
# Let us test REPLACE/INSERT ... ON DUPLICATE KEY UPDATE.
# To test properly code-paths different from those that are used
# in ordinary INSERT we need to drop "before insert" trigger.
alter table t1 add primary key (i);
drop trigger t1.bi;
--error 1054
insert into t1 values (2, 4) on duplicate key update k= k + 10;
select * from t1;
--error 1054
replace into t1 values (2, 4);
select * from t1;
# Change table in such way that REPLACE will delete row
alter table t1 add ts timestamp default now();
--error 1054
replace into t1 (i, k) values (2, 11);
select * from t1;
# Also drops all triggers
drop table t1, t2;