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MDEV-13510 main.delete_use_source fails in buildbot and outside with wrong plan

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This commit is contained in:
Sergei Golubchik
2017-08-17 17:04:31 +02:00
parent 935c6f502f
commit 1b7a2e4ca2
2 changed files with 21 additions and 17 deletions
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27
mysql-test/r/delete_use_source.result
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@ -1,9 +1,12 @@
create table t1(c1 integer not null,c2 integer not null, key (c1)) engine=InnoDb;
create view v1 as select * from t1 where c1 in (0,1);
insert t1 select 0,seq from seq_1_to_500;
insert t1 select 1,seq from seq_1_to_50;
insert t1 select 2,seq from seq_1_to_20;
insert t1 select 1,seq from seq_1_to_100;
insert t1 select 2,seq from seq_1_to_50;
insert t1 select 3,seq from seq_1_to_20;
analyze table t1;
Table Op Msg_type Msg_text
test.t1 analyze status OK
#
# Delete with limit (quick select - range acces)
#
@ -31,7 +34,7 @@ select count(*) from v1 where c1=2;
count(*)
0
delete from t1 where c1=2 and exists(select 'x' from t1 b where b.c2<10);
affected rows: 20
affected rows: 50
delete from t1 where c1=2 and exists(select 'x' from t1 b where b.c2<10);
affected rows: 0
select count(*) from v1 where c1=2;
@ -39,13 +42,13 @@ count(*)
0
rollback;
#
# Delete throw a view with limit (range access)
# Delete through a view with limit (range access)
#
start transaction;
explain delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 range c1 c1 4 NULL 550 Using where
2 DEPENDENT SUBQUERY b ref c1 c1 4 test.t1.c1 82 Using index
1 PRIMARY t1 ALL c1 NULL NULL NULL 502 Using where
2 DEPENDENT SUBQUERY b ref c1 c1 4 test.t1.c1 58 Using index
delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1;
affected rows: 1
delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1;
@ -55,13 +58,13 @@ count(*)
499
rollback;
#
# Delete throw a view (ALL access)
# Delete through a view (ALL access)
#
start transaction;
explain delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500;
id select_type table type possible_keys key key_len ref rows Extra
1 PRIMARY t1 ALL c1 NULL NULL NULL 717 Using where
2 DEPENDENT SUBQUERY b ref c1 c1 4 test.t1.c1 82 Using index
1 PRIMARY t1 ALL c1 NULL NULL NULL 502 Using where
2 DEPENDENT SUBQUERY b ref c1 c1 4 test.t1.c1 58 Using index
delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 ;
affected rows: 500
select count(*) from v1 where c1=0;
@ -92,13 +95,13 @@ ERROR 45000: Unhandled user-defined exception condition
select c1,count(*) from t1 group by c1;
c1 count(*)
0 500
1 50
2 20
1 100
2 50
3 20
rollback;
drop trigger trg;
#
# Delete throw a view with returning
# Delete through a view with returning
#
start transaction;
delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 order by c2 asc limit 10 returning c1,c2;