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Merge of fix for Bug 26890 into GCA tree

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This commit is contained in:
Matthias Leich
2008-11-25 12:52:32 +01:00
parent df8a5474f8 87c97b4785
commit ddf5c19272
5 changed files with 80 additions and 69 deletions
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23
mysql-test/r/multi_update.result
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@ -378,29 +378,6 @@ where 0=1;
delete t1, t2 from t2,t1
where t1.id1=t2.id2 and 0=1;
drop table t1,t2;
create table t1 ( a int not null, b int not null) ;
alter table t1 add index i1(a);
delete from t1 where a > 2000000;
create table t2 like t1;
insert into t2 select * from t1;
select 't2 rows before small delete', count(*) from t1;
t2 rows before small delete count(*)
t2 rows before small delete 2000000
delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 2;
select 't2 rows after small delete', count(*) from t2;
t2 rows after small delete count(*)
t2 rows after small delete 1999999
select 't1 rows after small delete', count(*) from t1;
t1 rows after small delete count(*)
t1 rows after small delete 1999999
delete t1,t2 from t1,t2 where t1.b=t2.a and t1.a < 100*1000;
select 't2 rows after big delete', count(*) from t2;
t2 rows after big delete count(*)
t2 rows after big delete 1900001
select 't1 rows after big delete', count(*) from t1;
t1 rows after big delete count(*)
t1 rows after big delete 1900001
drop table t1,t2;
CREATE TABLE t1 ( a int );
CREATE TABLE t2 ( a int );
DELETE t1 FROM t1, t2 AS t3;

25
mysql-test/r/multi_update2.result Normal file
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@ -0,0 +1,25 @@
DROP TABLE IF EXISTS t1,t2;
CREATE TABLE t1 ( a INT NOT NULL, b INT NOT NULL) ;
# The protocolling of many inserts into t1 is suppressed.
ALTER TABLE t1 ADD INDEX i1(a);
DELETE FROM t1 WHERE a > 2000000;
CREATE TABLE t2 LIKE t1;
INSERT INTO t2 SELECT * FROM t1;
SELECT 't2 rows before small delete', COUNT(*) FROM t1;
t2 rows before small delete COUNT(*)
t2 rows before small delete 2000000
DELETE t1,t2 FROM t1,t2 WHERE t1.b=t2.a AND t1.a < 2;
SELECT 't2 rows after small delete', COUNT(*) FROM t2;
t2 rows after small delete COUNT(*)
t2 rows after small delete 1999999
SELECT 't1 rows after small delete', COUNT(*) FROM t1;
t1 rows after small delete COUNT(*)
t1 rows after small delete 1999999
DELETE t1,t2 FROM t1,t2 WHERE t1.b=t2.a AND t1.a < 100*1000;
SELECT 't2 rows after big delete', COUNT(*) FROM t2;
t2 rows after big delete COUNT(*)
t2 rows after big delete 1900001
SELECT 't1 rows after big delete', COUNT(*) FROM t1;
t1 rows after big delete COUNT(*)
t1 rows after big delete 1900001
DROP TABLE t1,t2;