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--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_sequence.inc
CREATE TABLE t1(f1 INT NOT NULL, f2 INT NOT NULL,
f3 CHAR(200), f4 CHAR(200),
PRIMARY KEY(f1))ENGINE=InnoDB;
INSERT INTO t1 VALUES(6000, 6000, "InnoDB", "MariaDB");
# InnoDB DML thread applies the online log, aborts other online index
SET DEBUG_SYNC="inplace_after_index_build SIGNAL dml_start WAIT_FOR dml_commit";
SEND ALTER TABLE t1 ADD UNIQUE KEY(f2), ADD UNIQUE INDEX(f4(10));
# InnoDB DML thread applies insert log
connect(con1,localhost,root,,,);
SET DEBUG_SYNC="now WAIT_FOR dml_start";
# Rollback should avoid online index
BEGIN;
DELETE FROM t1 WHERE f1= 6000;
INSERT INTO t1 VALUES(6000, 6000, "InnoDB", "MariaDB");
ROLLBACK;
# Insert log will fetch the previous version in this case
BEGIN;
DELETE FROM t1 WHERE f1= 6000;
INSERT INTO t1 VALUES(6000, 6000, "InnoDB", "MariaDB");
INSERT INTO t1 SELECT seq, seq, repeat('a', 200), repeat('b', 200) FROM seq_1_to_4000;
COMMIT;
SET DEBUG_SYNC="now SIGNAL dml_commit";
connection default;
--error ER_DUP_ENTRY
reap;
# DML Thread applies update log
SET DEBUG_SYNC="inplace_after_index_build SIGNAL dml_start WAIT_FOR dml_commit";
SEND ALTER TABLE t1 ADD UNIQUE KEY(f2), ADD INDEX(f3(10));
connection con1;
SET DEBUG_SYNC="now WAIT_FOR dml_start";
BEGIN;
DELETE FROM t1;
INSERT INTO t1 SELECT seq, seq, repeat('d', 200), repeat('e', 200) FROM
seq_1_to_4000;
UPDATE t1 SET f3=repeat('c', 200), f4= repeat('d', 200), f2=3;
COMMIT;
SET DEBUG_SYNC="now SIGNAL dml_commit";
connection default;
--error ER_DUP_ENTRY
reap;
disconnect con1;
CHECK TABLE t1;
DROP TABLE t1;
SET DEBUG_SYNC=reset;
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