#
# This tests checks handling of secondary index purge when
# new record is inserted by modify and has externally stored
# columns. In that case purge may be called in state when
# it is not possible to build entry from row data.
#
# In the above case there was a try to access NULL entry for
# indexes with virtual columns and externally stored BLOBs.
#

--source include/have_debug_sync.inc
--source include/count_sessions.inc

SET DEBUG_SYNC='reset';

connect (con1,localhost,root,,);

#
# Try with an index without virtual columns
#

connection default;
	CREATE TABLE t1 (
		id INT UNIQUE NOT NULL,
		a INT,
		b BLOB,
		ag INT GENERATED ALWAYS AS (a) VIRTUAL,
		PRIMARY KEY(id),
		INDEX bugidx (b(100),a)
	) ENGINE=InnoDB;

	INSERT INTO t1 (id, a, b) VALUES (1001, 1, REPEAT('a', 50001));
	INSERT INTO t1 (id, a, b) VALUES (1002, 2, REPEAT('b', 50002));

	SET GLOBAL innodb_purge_stop_now = ON;
	sleep 1;
	DELETE FROM t1 WHERE id = 1001;

connection con1;
	SET DEBUG_SYNC='before_row_ins_upd_pessimistic SIGNAL s1 WAIT_FOR s2 TIMEOUT 10';
	send INSERT INTO t1 (id, a, b) VALUES (1001, 1, REPEAT('z', 60001));

connection default;
	SET DEBUG_SYNC='now WAIT_FOR s1';
	SET GLOBAL innodb_purge_run_now = ON;
	sleep 5;
	SET DEBUG_SYNC='now SIGNAL s2';
	--source include/wait_innodb_all_purged.inc
	SET DEBUG_SYNC='reset';

connection con1;
	reap;
	SET DEBUG_SYNC='reset';

connection default;
	drop table t1;

#
# Try with an index with virtual columns
#

connection default;
	CREATE TABLE t1 (
		id INT UNIQUE NOT NULL,
		a INT,
		b BLOB,
		ag INT GENERATED ALWAYS AS (a) VIRTUAL,
		PRIMARY KEY(id),
		INDEX bugidx (b(100),ag)
	) ENGINE=InnoDB;

	INSERT INTO t1 (id, a, b) VALUES (1001, 1, REPEAT('a', 50001));
	INSERT INTO t1 (id, a, b) VALUES (1002, 2, REPEAT('b', 50002));

	SET GLOBAL innodb_purge_stop_now = ON;
	sleep 1;
	DELETE FROM t1 WHERE id = 1001;

connection con1;
	SET DEBUG_SYNC='before_row_ins_upd_pessimistic SIGNAL s1 WAIT_FOR s2 TIMEOUT 10';
	send INSERT INTO t1 (id, a, b) VALUES (1001, 1, REPEAT('z', 60001));

connection default;
	SET DEBUG_SYNC='now WAIT_FOR s1';
	SET GLOBAL innodb_purge_run_now = ON;
	sleep 5;
	SET DEBUG_SYNC='now SIGNAL s2';
	--source include/wait_innodb_all_purged.inc
	SET DEBUG_SYNC='reset';

connection con1;
	reap;
	SET DEBUG_SYNC='reset';

connection default;
	drop table t1;

#
# Cleanup
#

connection con1;
	disconnect con1;

connection default;
--source include/wait_until_count_sessions.inc