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b68dac88b3
This corruption was introduced in MDEV-13331. It would have been caught by the MySQL 5.7 test innodb.update-cascade which MariaDB was missing until now. row_ins_check_foreign_constraint(): Never replace err == DB_LOCK_WAIT with other values than DB_LOCK_WAIT_TIMEOUT.
222 lines
5.9 KiB
Plaintext
222 lines
5.9 KiB
Plaintext
--source include/have_innodb.inc
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--source include/have_debug.inc
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--source include/have_debug_sync.inc
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# Save the initial number of concurrent sessions
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--source include/count_sessions.inc
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--echo #
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--echo # Bug #18451287 REDUNDANT DELETE MARKING AFTER DB_LOCK_WAIT
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--echo #
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create table t1 (f1 int primary key, f2 blob) engine=innodb;
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create table t2 (f1 int primary key, f2 int,
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foreign key (f2) references t1(f1) on update cascade) engine=innodb;
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show create table t1;
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show create table t2;
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insert into t1 values (1, repeat('+', 20000));
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insert into t1 values (2, repeat('-', 20000));
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insert into t1 values (3, repeat('=', 20000));
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insert into t2 values (1, 2);
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select f1, right(f2, 20) as p2 from t1;
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select f1, f2 from t2;
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connect(con1,localhost,root,,test);
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start transaction;
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select f1, f2 from t2 for update;
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connection default;
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set debug_sync='lock_wait_suspend_thread_enter SIGNAL upd_waiting WAIT_FOR go_upd';
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send update t1 set f1 = 10 where f1 = 2;
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connection con1;
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set debug_sync='now WAIT_FOR upd_waiting';
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rollback;
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set debug_sync='now SIGNAL go_upd';
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connection default;
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--echo # reap: update t1 set f1 = 10 where f1 = 2;
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reap;
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select f1, right(f2, 20) as p2 from t1;
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select f1, f2 from t2;
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drop table t2, t1;
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set debug_sync = reset;
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--echo #
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--echo # Test Scenario: Two tables t1 -> t2 are involved in update cascade.
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--echo # If DB_LOCK_WAIT happens when t1 is being updated and FK constraints
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--echo # are being checked in t2, then retry must happen on t1. The update
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--echo # cascade happens in secondary index. For secondary index testing,
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--echo # blobs are not needed.
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--echo #
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create table t1 (f1 int primary key, f2 int, key k1(f2)) engine=innodb;
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create table t2 (f1 int primary key, f2 int,
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foreign key (f2) references t1(f2) on update cascade) engine=innodb;
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show create table t1;
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show create table t2;
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insert into t1 values (1, 91);
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insert into t2 values (1, 91);
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select f1, f2 from t1;
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select f1, f2 from t2;
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connection con1;
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start transaction;
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select f1, f2 from t2 for update;
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connection default;
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set debug_sync='lock_wait_suspend_thread_enter SIGNAL upd_waiting WAIT_FOR go_upd';
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send update t1 set f2 = 28 where f2 = 91;
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connection con1;
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set debug_sync='now WAIT_FOR upd_waiting';
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rollback;
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set debug_sync='now SIGNAL go_upd';
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connection default;
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--echo # reap: update t1 set f1 = 10 where f1 = 2;
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--reap
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select f1, f2 from t1;
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select f1, f2 from t2;
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drop table t2, t1;
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set debug_sync = reset;
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--echo #
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--echo # Test Scenario: Three tables t1 -> t2 -> t3 are involved in update cascade.
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--echo # If DB_LOCK_WAIT happens when t2 is being updated, then retry must happen
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--echo # on t2.
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--echo #
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create table t1 (f1 int primary key, f2 blob) engine=innodb;
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create table t2 (f1 int primary key, f2 blob,
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foreign key (f1) references t1(f1) on update cascade) engine=innodb;
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create table t3 (f1 int primary key, f2 blob,
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foreign key (f1) references t2(f1) on update cascade) engine=innodb;
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show create table t1;
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show create table t2;
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show create table t3;
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insert into t1 values (2, repeat('-', 20000));
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insert into t2 values (2, repeat('%', 20000));
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insert into t3 values (2, repeat('+', 20000));
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select f1, right(f2, 20) as p2 from t1;
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select f1, right(f2, 20) as p2 from t2;
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select f1, right(f2, 20) as p2 from t3;
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connection con1;
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start transaction;
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select f1 from t3 for update;
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connection default;
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set debug_sync='lock_wait_suspend_thread_enter SIGNAL upd_waiting WAIT_FOR go_upd';
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send update t1 set f1 = 10 where f1 = 2;
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connection con1;
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set debug_sync='now WAIT_FOR upd_waiting';
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rollback;
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--echo # The table t1 is updated.
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--echo # In t2 delete-mark happened. Retry will happen on t2.
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--echo # In t3 yet to be updated.
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set session transaction isolation level read uncommitted;
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start transaction;
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select f1, right(f2, 20) as p2 from t1;
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select f1, right(f2, 20) as p2 from t2;
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select f1, right(f2, 20) as p2 from t3;
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commit;
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set debug_sync='now SIGNAL go_upd';
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connection default;
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--echo # reap: update t1 set f1 = 10 where f1 = 2;
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--reap;
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start transaction;
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select f1, right(f2, 20) as p2 from t1;
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select f1, right(f2, 20) as p2 from t2;
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select f1, right(f2, 20) as p2 from t3;
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commit;
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drop table t3, t2, t1;
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set debug_sync = reset;
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--echo #
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--echo # Test Scenario: Three tables t1 -> t2 -> t3 are involved in update
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--echo # cascade. If DB_LOCK_WAIT happens when t2 is being updated, then
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--echo # retry must happen on t2. The update cascade is happening via
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--echo # secondary index (hence blobs are not needed).
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--echo #
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create table t1 (f1 int primary key, f2 int, key k1(f2)) engine=innodb;
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create table t2 (f1 int primary key, f2 int,
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foreign key (f2) references t1(f2) on update cascade) engine=innodb;
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create table t3 (f1 int primary key, f2 int,
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foreign key (f2) references t2(f2) on update cascade) engine=innodb;
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show create table t1;
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show create table t2;
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show create table t3;
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insert into t1 values (2, 91);
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insert into t2 values (2, 91);
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insert into t3 values (2, 91);
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select f1, f2 from t1;
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select f1, f2 from t2;
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select f1, f2 from t3;
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connection con1;
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start transaction;
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select f1 from t3 for update;
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connection default;
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set debug_sync='lock_wait_suspend_thread_enter SIGNAL upd_waiting WAIT_FOR go_upd';
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send update t1 set f2 = 28 where f2 = 91;
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connection con1;
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set debug_sync='now WAIT_FOR upd_waiting';
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rollback;
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--echo # The table t1 is updated.
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--echo # In t2 delete-mark happened. Retry will happen on t2.
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--echo # In t3 yet to be updated.
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set session transaction isolation level read uncommitted;
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start transaction;
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select f1, f2 from t1;
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select f1, f2 from t2;
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select f1, f2 from t3;
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commit;
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set debug_sync='now SIGNAL go_upd';
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disconnect con1;
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connection default;
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--echo # reap: update t1 set f2 = 28 where f2 = 91;
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--reap;
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start transaction;
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select f1, f2 from t1;
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select f1, f2 from t2;
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select f1, f2 from t3;
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commit;
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drop table t3, t2, t1;
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set debug_sync = reset;
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# Wait till all disconnects are completed
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--source include/wait_until_count_sessions.inc
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