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--source include/have_innodb.inc
--source include/have_partition.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
CREATE TABLE t1 (a INT, b VARCHAR(10)) ENGINE=InnoDB
PARTITION BY RANGE(a)
(PARTITION pa VALUES LESS THAN (3),
PARTITION pb VALUES LESS THAN (5));
INSERT INTO t1 VALUES(2,'two'),(2,'two'),(4,'four');
connect ddl,localhost,root,,test;
SET DEBUG_SYNC = 'inplace_after_index_build SIGNAL go WAIT_FOR done';
send ALTER TABLE t1 ADD UNIQUE KEY (a,b(3));
connection default;
SET DEBUG_SYNC = 'now WAIT_FOR go';
BEGIN;
SELECT * FROM t1 FOR UPDATE;
SET DEBUG_SYNC = 'now SIGNAL done';
connection ddl;
--error ER_DUP_ENTRY
reap;
connection default;
DELETE FROM t1;
disconnect ddl;
SET DEBUG_SYNC = 'RESET';
CHECK TABLE t1;
DROP TABLE t1;
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