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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 18:00:34 +0000 |
commit | 3f619478f796eddbba6e39502fe941b285dd97b1 (patch) | |
tree | e2c7b5777f728320e5b5542b6213fd3591ba51e2 /mysql-test/main/delete_use_source.test | |
parent | Initial commit. (diff) | |
download | mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.tar.xz mariadb-3f619478f796eddbba6e39502fe941b285dd97b1.zip |
Adding upstream version 1:10.11.6.upstream/1%10.11.6upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'mysql-test/main/delete_use_source.test')
-rw-r--r-- | mysql-test/main/delete_use_source.test | 139 |
1 files changed, 139 insertions, 0 deletions
diff --git a/mysql-test/main/delete_use_source.test b/mysql-test/main/delete_use_source.test new file mode 100644 index 00000000..2df1e009 --- /dev/null +++ b/mysql-test/main/delete_use_source.test @@ -0,0 +1,139 @@ +--source include/have_sequence.inc +--source include/have_innodb.inc +# This test is slow on buildbot. +--source include/big_test.inc +create table t1(c1 integer not null,c2 integer not null, key (c1)) +ENGINE=InnoDB STATS_PERSISTENT=1; +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_100; +insert t1 select 2,seq from seq_1_to_50; +insert t1 select 3,seq from seq_1_to_20; +analyze table t1; + +--echo # +--echo # Delete with limit (quick select - range acces) +--echo # + +--disable_view_protocol +start transaction; +--enable_info +delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 limit 1; +delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 limit 1; +--disable_info +select count(*) from v1 where c1=0; +rollback; + +--echo # +--echo # Delete +--echo # + +start transaction; +--enable_info ONCE +delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 ; +rollback; + +--echo # +--echo # Delete with exists +--echo # + +start transaction; +select count(*) from v1 where c1=2; +--enable_info +delete from t1 where c1=2 and exists(select 'x' from t1 b where b.c2<10); +delete from t1 where c1=2 and exists(select 'x' from t1 b where b.c2<10); +--disable_info +select count(*) from v1 where c1=2; +rollback; + +--echo # +--echo # Delete through a view with limit (range access) +--echo # + +start transaction; +explain delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1; +--enable_info +delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1; +delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1; +--disable_info +select count(*) from v1 where c1=0; +rollback; + +--echo # +--echo # Delete through a view (ALL access) +--echo # + +start transaction; +--replace_column 9 # +explain delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500; +--enable_info ONCE +delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 ; +select count(*) from v1 where c1=0; +rollback; + +--echo # +--echo # Delete failed due to trigger +--echo # + +delimiter /; +create trigger trg after delete on t1 for each row +begin + declare c int; + begin + if old.c1 = 1 then + select count(*) into c from t1 where c1!=old.c1; + SIGNAL SQLSTATE '45000' set table_name=c; + end if; + end; +end; +/ +delimiter ;/ + +start transaction; +--error ER_SIGNAL_EXCEPTION +delete from t1 where c1=1 and (select count(*) from t1 b where b.c1=t1.c1) > 0 order by c2 asc limit 10; +rollback; +start transaction; +--error ER_SIGNAL_EXCEPTION +delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) > 0 order by c1 desc limit 100; +select c1,count(*) from t1 group by c1; +rollback; + +drop trigger trg; + +--echo # +--echo # Delete through a view with returning +--echo # + +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; +rollback; +start transaction; +delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 order by c2 desc limit 10 returning c1,c2; +rollback; +--enable_view_protocol + +drop view v1; +drop table t1; + +--echo # +--echo # Delete from table with more than 150000 rows +--echo # +create table t1(c1 integer not null,c2 integer not null, key (c1)); +insert t1 select 0,seq from seq_1_to_128000; +insert t1 select 1,seq from seq_1_to_25600; +select count(*) from t1; + +--echo # with a lot of memory for sort_buffer_size +set session sort_buffer_size = 1024000; +--enable_info ONCE +delete from t1 where c1=0 and exists(select 'x' from t1 b where b.c1<10); + +--echo # with little memory for sort_buffer_size +insert t1 select 0,seq from seq_1_to_128000; +set session sort_buffer_size = 1024; +--enable_info ONCE +delete from t1 where c1=0 and exists(select 'x' from t1 b where b.c1<10); + +drop table t1; |