--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc

CREATE TABLE t1 (
       a INT NOT NULL,
       b INT NOT NULL,
       PRIMARY KEY(b),
       UNIQUE KEY(a))
ENGINE=INNODB;

SET @old_innodb_stats_auto_recalc = @@innodb_stats_auto_recalc;
SET GLOBAL innodb_stats_auto_recalc = OFF;

# Block purge
SET GLOBAL innodb_purge_stop_now = ON;

SET @old_tx_isolation = @@tx_isolation;
SET GLOBAL tx_isolation = 'READ-COMMITTED';

--connect(con1,localhost,root,,)
--connect(con2,localhost,root,,)

--connection con1

# Create and delete-mark an index record

INSERT INTO t1 VALUES (1,1),(2,2);
DELETE FROM t1;

SET debug_sync = 'row_ins_sec_index_entry_dup_locks_created SIGNAL con1_ins_done WAIT_FOR con1_go';
SET debug_sync = 'ha_commit_trans_after_acquire_commit_lock SIGNAL con1_before_commit WAIT_FOR con1_commit';
--send
REPLACE INTO t1 VALUES (1,2);

--connection con2

SET debug_sync = 'now WAIT_FOR con1_ins_done';

SET debug_sync = 'lock_wait_suspend_thread_enter SIGNAL con2_blocked WAIT_FOR con2_go';
SET debug_sync = 'ha_commit_trans_after_acquire_commit_lock SIGNAL con2_before_commit WAIT_FOR con2_commit';

--send
REPLACE INTO t1 VALUES(1,3);

--connection default
SET debug_sync = 'now WAIT_FOR con2_blocked';

SET GLOBAL innodb_purge_run_now=ON;

# Wait for purge to delete the delete-marked record
let $wait_condition=
    SELECT COUNT(*) = 1 FROM INFORMATION_SCHEMA.GLOBAL_STATUS
    WHERE VARIABLE_NAME='INNODB_PURGE_TRX_ID_AGE' AND VARIABLE_VALUE=2;
--source include/wait_condition.inc

SET debug_sync = 'now SIGNAL con2_go WAIT_FOR con2_before_commit';
SET debug_sync = 'now SIGNAL con1_go WAIT_FOR con1_before_commit';

SET debug_sync = 'now SIGNAL con1_commit';
SET debug_sync = 'now SIGNAL con2_commit';

--connection con1
--reap

--connection con2
--reap

--connection default

--disconnect con1
--disconnect con2

SELECT * FROM t1;
CHECK TABLE t1;

DROP TABLE t1;

SET GLOBAL innodb_stats_auto_recalc = @old_innodb_stats_auto_recalc;
SET GLOBAL tx_isolation = @old_tx_isolation;