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MDEV-31455: main.events_stress or events.events_stress fails with view-protocol MDEV-31457: main.delete_use_source fails (hangs) with view-protocol Fixed tests: main.sum_distinct-big, main.delete_use_source - disabled view-protocol for some cases because they use transactions without autocommit main.events_stress, main.merge-big - disabled service connection for some queries since it is necessary that the query SELECT pass in the same session
139 lines
3.7 KiB
Text
139 lines
3.7 KiB
Text
--source include/have_sequence.inc
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--source include/have_innodb.inc
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# This test is slow on buildbot.
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--source include/big_test.inc
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create table t1(c1 integer not null,c2 integer not null, key (c1))
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ENGINE=InnoDB STATS_PERSISTENT=1;
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create view v1 as select * from t1 where c1 in (0,1);
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insert t1 select 0,seq from seq_1_to_500;
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insert t1 select 1,seq from seq_1_to_100;
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insert t1 select 2,seq from seq_1_to_50;
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insert t1 select 3,seq from seq_1_to_20;
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analyze table t1;
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--echo #
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--echo # Delete with limit (quick select - range acces)
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--echo #
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--disable_view_protocol
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start transaction;
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--enable_info
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delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 limit 1;
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delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 limit 1;
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--disable_info
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select count(*) from v1 where c1=0;
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rollback;
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--echo #
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--echo # Delete
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--echo #
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start transaction;
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--enable_info ONCE
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delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 ;
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rollback;
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--echo #
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--echo # Delete with exists
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--echo #
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start transaction;
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select count(*) from v1 where c1=2;
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--enable_info
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delete from t1 where c1=2 and exists(select 'x' from t1 b where b.c2<10);
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delete from t1 where c1=2 and exists(select 'x' from t1 b where b.c2<10);
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--disable_info
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select count(*) from v1 where c1=2;
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rollback;
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--echo #
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--echo # Delete through a view with limit (range access)
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--echo #
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start transaction;
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explain delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1;
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--enable_info
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delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1;
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delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 limit 1;
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--disable_info
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select count(*) from v1 where c1=0;
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rollback;
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--echo #
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--echo # Delete through a view (ALL access)
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--echo #
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start transaction;
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--replace_column 9 #
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explain delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500;
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--enable_info ONCE
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delete from v1 where (select count(*) from t1 b where b.c1=v1.c1) = 500 ;
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select count(*) from v1 where c1=0;
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rollback;
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--echo #
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--echo # Delete failed due to trigger
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--echo #
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delimiter /;
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create trigger trg after delete on t1 for each row
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begin
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declare c int;
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begin
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if old.c1 = 1 then
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select count(*) into c from t1 where c1!=old.c1;
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SIGNAL SQLSTATE '45000' set table_name=c;
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end if;
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end;
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end;
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/
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delimiter ;/
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start transaction;
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--error ER_SIGNAL_EXCEPTION
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delete from t1 where c1=1 and (select count(*) from t1 b where b.c1=t1.c1) > 0 order by c2 asc limit 10;
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rollback;
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start transaction;
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--error ER_SIGNAL_EXCEPTION
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delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) > 0 order by c1 desc limit 100;
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select c1,count(*) from t1 group by c1;
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rollback;
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drop trigger trg;
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--echo #
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--echo # Delete through a view with returning
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--echo #
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start transaction;
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delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 order by c2 asc limit 10 returning c1,c2;
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rollback;
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start transaction;
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delete from t1 where (select count(*) from t1 b where b.c1=t1.c1) = 500 order by c2 desc limit 10 returning c1,c2;
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rollback;
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--enable_view_protocol
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drop view v1;
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drop table t1;
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--echo #
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--echo # Delete from table with more than 150000 rows
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--echo #
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create table t1(c1 integer not null,c2 integer not null, key (c1));
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insert t1 select 0,seq from seq_1_to_128000;
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insert t1 select 1,seq from seq_1_to_25600;
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select count(*) from t1;
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--echo # with a lot of memory for sort_buffer_size
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set session sort_buffer_size = 1024000;
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--enable_info ONCE
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delete from t1 where c1=0 and exists(select 'x' from t1 b where b.c1<10);
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--echo # with little memory for sort_buffer_size
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insert t1 select 0,seq from seq_1_to_128000;
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set session sort_buffer_size = 1024;
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--enable_info ONCE
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delete from t1 where c1=0 and exists(select 'x' from t1 b where b.c1<10);
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drop table t1;
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