polardbxengine/mysql-test/suite/gcol/t/gcol_rollback.test

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--source include/have_debug.inc
--source include/have_debug_sync.inc
# Save the initial number of concurrent sessions.
--source include/count_sessions.inc
CREATE TABLE t (
a INTEGER,
b BLOB GENERATED ALWAYS AS (a) VIRTUAL,
INDEX (b(57))
)ENGINE=INNODB;
INSERT INTO t (a) VALUES (9);
BEGIN;
SAVEPOINT a;
UPDATE t set a = 12;
DELETE FROM t where a = 12;
ROLLBACK TO SAVEPOINT a;
COMMIT;
CHECK TABLE t;
SELECT * FROM t;
BEGIN;
INSERT INTO t (a) VALUES (10);
--source include/kill_and_restart_mysqld.inc
SELECT * FROM t;
DROP TABLE t;
CREATE TABLE t (
a INTEGER,
b BLOB GENERATED ALWAYS AS (a) VIRTUAL,
c INTEGER
)ENGINE=INNODB;
INSERT INTO t (a,c) VALUES (9, 10);
SELECT * FROM t;
connect (con1,localhost,root,,);
connection con1;
# This DEBUG_SYNC should not kick in yet, because the duplicate key will be
# detected before we get a chance to apply the online log.
SET DEBUG_SYNC = 'row_log_apply_after SIGNAL created WAIT_FOR dml_done';
--send
ALTER TABLE t ADD KEY(b(57)), ALGORITHM=INPLACE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR created';
BEGIN;
INSERT INTO t (a,c) VALUES (10, 12);
SELECT * FROM t;
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml_done';
connection con1;
reap;
disconnect con1;
connection default;
SELECT * FROM t;
DROP TABLE t;
# drop virtual column and alter index
CREATE TABLE t (
a INT,
b INT,
c INT GENERATED ALWAYS AS(a+b),
d INT GENERATED ALWAYS AS(a+b+b),
KEY(c, d)
)ENGINE=INNODB;
INSERT INTO t (a,b) VALUES (9, 10);
SELECT * FROM t;
connect (con1,localhost,root,,);
connection con1;
# This DEBUG_SYNC should not kick in yet, because the duplicate key will be
# detected before we get a chance to apply the online log.
SET DEBUG_SYNC = 'row_log_apply_after SIGNAL created WAIT_FOR dml_done';
--send
ALTER TABLE t DROP COLUMN c, ALGORITHM=INPLACE;
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR created';
BEGIN;
INSERT INTO t (a,b) VALUES (10, 12);
SELECT * FROM t;
ROLLBACK;
SET DEBUG_SYNC = 'now SIGNAL dml_done';
connection con1;
reap;
disconnect con1;
connection default;
SELECT * FROM t;
DROP TABLE t;
# Wait till all disconnects are completed
--source include/wait_until_count_sessions.inc