#
# Bug 42074 concurrent optimize table and 
# alter table = Assertion failed: thd->is_error()
#
DROP TABLE IF EXISTS t1;
# Create InnoDB table
CREATE TABLE t1 (id INT) engine=innodb;
# Connection 1
# Start optimizing table
SET DEBUG_SYNC='ha_admin_try_alter SIGNAL optimize_started WAIT_FOR table_altered';
OPTIMIZE TABLE t1;
# Connection 2
# Change table to engine=memory
SET DEBUG_SYNC='now WAIT_FOR optimize_started';
ALTER TABLE t1 engine=memory;
SET DEBUG_SYNC='now SIGNAL table_altered';
# Connection 1
# Complete optimization
Table	Op	Msg_type	Msg_text
test.t1	optimize	note	Table does not support optimize, doing recreate + analyze instead
test.t1	optimize	error	Got error -1 "Internal error < 0 (Not system error)" from storage engine
test.t1	optimize	status	Operation failed
Warnings:
Error	1030	Got error -1 "Internal error < 0 (Not system error)" from storage engine
DROP TABLE t1;
SET DEBUG_SYNC='RESET';
#
# Bug#47459 Assertion in Diagnostics_area::set_eof_status on
#           OPTIMIZE TABLE
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INT) ENGINE= InnoDB;
# Connection con1
SET DEBUG_SYNC= "ha_admin_open_ltable SIGNAL opening WAIT_FOR dropped";
# Sending:
OPTIMIZE TABLE t1;
# Connection default
SET DEBUG_SYNC= "now WAIT_FOR opening";
DROP TABLE t1;
SET DEBUG_SYNC= "now SIGNAL dropped";
# Connection con1
# Reaping: OPTIMIZE TABLE t1
Table	Op	Msg_type	Msg_text
test.t1	optimize	note	Table does not support optimize, doing recreate + analyze instead
test.t1	optimize	error	Table 'test.t1' doesn't exist
test.t1	optimize	status	Operation failed
Warnings:
Error	1146	Table 'test.t1' doesn't exist
# Connection default
SET DEBUG_SYNC= "RESET";
#
# Bug#53757 assert in mysql_truncate_by_delete
#
DROP TABLE IF EXISTS t1, t2;
CREATE TABLE t1(a INT) Engine=InnoDB;
CREATE TABLE t2(id INT);
INSERT INTO t1 VALUES (1), (2);
INSERT INTO t2 VALUES(connection_id());
SET DEBUG_SYNC= "open_and_process_table SIGNAL opening WAIT_FOR killed";
# Sending: (not reaped since connection is killed later)
TRUNCATE t1;
SET DEBUG_SYNC= "now WAIT_FOR opening";
SELECT ((@id := id) - id) FROM t2;
((@id := id) - id)
0
KILL @id;
SET DEBUG_SYNC= "now SIGNAL killed";
DROP TABLE t1, t2;
SET DEBUG_SYNC= "RESET";
#
# Bug#58933 Assertion `thd- >is_error()' fails on shutdown with ongoing
#           OPTIMIZE TABLE
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1 (a INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1), (2);
# Connection con1
SET DEBUG_SYNC= 'ha_admin_open_ltable SIGNAL waiting WAIT_FOR killed';
# Sending:
OPTIMIZE TABLE t1;
# Connection default
SET DEBUG_SYNC= 'now WAIT_FOR waiting';
KILL QUERY ID;
SET DEBUG_SYNC= 'now SIGNAL killed';
# Connection con1
# Reaping: OPTIMIZE TABLE t1
Table	Op	Msg_type	Msg_text
test.t1	optimize	note	Table does not support optimize, doing recreate + analyze instead
test.t1	optimize	status	Operation failed
# Connection default
DROP TABLE t1;
SET DEBUG_SYNC= 'RESET';
#
# Bug#42230 during add index, cannot do queries on storage engines
#           that implement add_index
#
DROP DATABASE IF EXISTS db1;
DROP TABLE IF EXISTS t1;
# Test 1: Secondary index, should not block reads (original test case).
# Connection default
CREATE DATABASE db1;
CREATE TABLE db1.t1(id INT NOT NULL AUTO_INCREMENT PRIMARY KEY, value INT) engine=innodb;
INSERT INTO db1.t1(value) VALUES (1), (2);
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE db1.t1 ADD INDEX(value);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
USE db1;
SELECT * FROM t1;
id	value
1	1
2	2
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE db1.t1 ADD INDEX(value)
DROP DATABASE db1;
# Test 2: Primary index (implicit), should block reads.
CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL) engine=innodb;
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE t1 ADD UNIQUE INDEX(a);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
USE test;
# Sending:
SELECT * FROM t1;
# Connection con2
# Waiting for SELECT to be blocked by the metadata lock on t1
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE t1 ADD UNIQUE INDEX(a)
# Connection con1
# Reaping: SELECT * FROM t1
a	b
# Test 3: Primary index (explicit), should block reads.
# Connection default
ALTER TABLE t1 DROP INDEX a;
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE t1 ADD PRIMARY KEY (a);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
# Sending:
SELECT * FROM t1;
# Connection con2
# Waiting for SELECT to be blocked by the metadata lock on t1
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE t1 ADD PRIMARY KEY (a)
# Connection con1
# Reaping: SELECT * FROM t1
a	b
# Test 4: Secondary unique index, should not block reads.
# Connection default
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
# Sending:
ALTER TABLE t1 ADD UNIQUE (b);
# Connection con1
SET DEBUG_SYNC= "now WAIT_FOR manage";
SELECT * FROM t1;
a	b
SET DEBUG_SYNC= "now SIGNAL query";
# Connection default
# Reaping: ALTER TABLE t1 ADD UNIQUE (b)
SET DEBUG_SYNC= "RESET";
DROP TABLE t1;
#
# Bug#11853126 RE-ENABLE CONCURRENT READS WHILE CREATING SECONDARY INDEX
#              IN INNODB
#
DROP TABLE IF EXISTS t1;
CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL) engine=innodb;
INSERT INTO t1 VALUES (1, 12345), (2, 23456);
# Connection con1
SET SESSION debug_dbug= "+d,alter_table_rollback_new_index";
ALTER TABLE t1 ADD PRIMARY KEY(a);
ERROR HY000: Unknown error
SELECT * FROM t1;
a	b
1	12345
2	23456
# Connection default
SELECT * FROM t1;
a	b
1	12345
2	23456
DROP TABLE t1;