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--source include/have_innodb.inc
--source include/have_debug_sync.inc
# Save the initial number of concurrent sessions.
--source include/count_sessions.inc
connect (con1,localhost,root,,);
connection default;
CREATE TABLE t (a INT PRIMARY KEY, b INT NOT NULL) ENGINE=InnoDB;
INSERT INTO t VALUES(1,2),(2,3);
SET DEBUG_SYNC='alter_table_inplace_after_lock_downgrade SIGNAL do WAIT_FOR m';
SET DEBUG_SYNC='innodb_after_inplace_alter_table SIGNAL scanned WAIT_FOR done';
--send
CREATE INDEX tb ON t(b);
connection con1;
SET DEBUG_SYNC='now WAIT_FOR do';
SET DEBUG_SYNC='row_update_for_mysql_error SIGNAL m WAIT_FOR scanned';
--error ER_DUP_ENTRY
UPDATE t SET a=2 WHERE a=1;
call mtr.add_suppression('InnoDB: record in index .*tb was not found on rollback, trying to insert');
SET DEBUG_SYNC='now SIGNAL done';
disconnect con1;
connection default;
reap;
SET DEBUG_SYNC='RESET';
DROP TABLE t;
# Check that all connections opened by test cases in this file are really
# gone so execution of other tests won't be affected by their presence.
--source include/wait_until_count_sessions.inc