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Edit File: innodb_mysql_sync.test

#
# Test file for InnoDB tests that require the debug sync facility
#
--source include/have_innodb.inc
--source include/have_debug.inc
--source include/have_debug_sync.inc
# Save the initial number of concurrent sessions.
--source include/count_sessions.inc

--echo #
--echo # Bug 42074 concurrent optimize table and 
--echo # alter table = Assertion failed: thd->is_error()
--echo #

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

--echo # Create InnoDB table
CREATE TABLE t1 (id INT) engine=innodb;
connect (con2, localhost, root);

--echo # Connection 1
--echo # Start optimizing table
connection default;
SET DEBUG_SYNC='ha_admin_try_alter SIGNAL optimize_started WAIT_FOR table_altered';
--send OPTIMIZE TABLE t1

--echo # Connection 2
--echo # Change table to engine=memory
connection con2;
SET DEBUG_SYNC='now WAIT_FOR optimize_started';
ALTER TABLE t1 engine=memory;
SET DEBUG_SYNC='now SIGNAL table_altered';

--echo # Connection 1
--echo # Complete optimization
connection default;
--reap

disconnect con2;
DROP TABLE t1;
SET DEBUG_SYNC='RESET';

--echo #
--echo # Bug#47459 Assertion in Diagnostics_area::set_eof_status on
--echo #           OPTIMIZE TABLE
--echo #

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

connect (con1, localhost, root);
connection default;

CREATE TABLE t1(a INT) ENGINE= InnoDB;

--echo # Connection con1
connection con1;
SET DEBUG_SYNC= "ha_admin_open_ltable SIGNAL opening WAIT_FOR dropped";
--echo # Sending:
--send OPTIMIZE TABLE t1

--echo # Connection default
connection default;
SET DEBUG_SYNC= "now WAIT_FOR opening";
DROP TABLE t1;
SET DEBUG_SYNC= "now SIGNAL dropped";

--echo # Connection con1
connection con1;
--echo # Reaping: OPTIMIZE TABLE t1
--reap

--echo # Connection default
connection default;
disconnect con1;
SET DEBUG_SYNC= "RESET";

--echo #
--echo # Bug#53757 assert in mysql_truncate_by_delete
--echo #

--disable_warnings
DROP TABLE IF EXISTS t1, t2;
--enable_warnings

CREATE TABLE t1(a INT) Engine=InnoDB;
CREATE TABLE t2(id INT);
INSERT INTO t1 VALUES (1), (2);

connect (con1, localhost, root);
INSERT INTO t2 VALUES(connection_id());
SET DEBUG_SYNC= "open_and_process_table SIGNAL opening WAIT_FOR killed";
--echo # Sending: (not reaped since connection is killed later)
--send TRUNCATE t1

connection default;
SET DEBUG_SYNC= "now WAIT_FOR opening";
SELECT ((@id := id) - id) FROM t2; 
KILL @id;
SET DEBUG_SYNC= "now SIGNAL killed";
DROP TABLE t1, t2;
disconnect con1;
--source include/wait_until_count_sessions.inc
SET DEBUG_SYNC= "RESET";

--echo #
--echo # Bug#58933 Assertion `thd- >is_error()' fails on shutdown with ongoing
--echo #           OPTIMIZE TABLE
--echo #

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (a INT) ENGINE=InnoDB;
INSERT INTO t1 VALUES (1), (2);

--echo # Connection con1
connect (con1,localhost,root);
let $ID= `SELECT connection_id()`;
SET DEBUG_SYNC= 'ha_admin_open_ltable SIGNAL waiting WAIT_FOR killed';
--echo # Sending:
--send OPTIMIZE TABLE t1

--echo # Connection default
connection default;
SET DEBUG_SYNC= 'now WAIT_FOR waiting';
--replace_result $ID ID
eval KILL QUERY $ID;
SET DEBUG_SYNC= 'now SIGNAL killed';

--echo # Connection con1
connection con1;
--echo # Reaping: OPTIMIZE TABLE t1
--reap

--echo # Connection default
connection default;
DROP TABLE t1;
SET DEBUG_SYNC= 'RESET';
disconnect con1;

--echo #
--echo # Bug#42230 during add index, cannot do queries on storage engines
--echo #           that implement add_index
--echo #

--disable_warnings
DROP DATABASE IF EXISTS db1;
DROP TABLE IF EXISTS t1;
--enable_warnings

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

--echo # Test 1: Secondary index, should not block reads (original test case).

--echo # Connection default
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";
--echo # Sending:
--send ALTER TABLE db1.t1 ADD INDEX(value)

--echo # Connection con1
connection con1;
SET DEBUG_SYNC= "now WAIT_FOR manage";
# Neither of these two statements should be blocked
USE db1;
SELECT * FROM t1;
SET DEBUG_SYNC= "now SIGNAL query";

--echo # Connection default
connection default;
--echo # Reaping: ALTER TABLE db1.t1 ADD INDEX(value)
--reap
DROP DATABASE db1;

--echo # 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";
--echo # Sending:
--send ALTER TABLE t1 ADD UNIQUE INDEX(a)

--echo # Connection con1
connection con1;
SET DEBUG_SYNC= "now WAIT_FOR manage";
USE test;
--echo # Sending:
--send SELECT * FROM t1

--echo # Connection con2
connection con2;
--echo # Waiting for SELECT to be blocked by the metadata lock on t1
let $wait_condition= SELECT COUNT(*)= 1 FROM information_schema.processlist
  WHERE state= 'Waiting for table metadata lock'
  AND info='SELECT * FROM t1';
--source include/wait_condition.inc
SET DEBUG_SYNC= "now SIGNAL query";

--echo # Connection default
connection default;
--echo # Reaping: ALTER TABLE t1 ADD UNIQUE INDEX(a)
--reap

--echo # Connection con1
connection con1;
--echo # Reaping: SELECT * FROM t1
--reap

--echo # Test 3: Primary index (explicit), should block reads.

--echo # Connection default
connection default;
ALTER TABLE t1 DROP INDEX a;
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
--echo # Sending:
--send ALTER TABLE t1 ADD PRIMARY KEY (a)

--echo # Connection con1
connection con1;
SET DEBUG_SYNC= "now WAIT_FOR manage";
--echo # Sending:
--send SELECT * FROM t1

--echo # Connection default
connection default;
--echo # Reaping: ALTER TABLE t1 ADD PRIMARY KEY (a)
--reap

--echo # Connection con1
connection con1;
--echo # Reaping: SELECT * FROM t1
--reap

--echo # Test 4: Secondary unique index, should not block reads.

--echo # Connection default
connection default;
SET DEBUG_SYNC= "alter_table_manage_keys SIGNAL manage WAIT_FOR query";
--echo # Sending:
--send ALTER TABLE t1 ADD UNIQUE (b)

--echo # Connection con1
connection con1;
SET DEBUG_SYNC= "now WAIT_FOR manage";
SELECT * FROM t1;
SET DEBUG_SYNC= "now SIGNAL query";

--echo # Connection default
connection default;
--echo # Reaping: ALTER TABLE t1 ADD UNIQUE (b)
--reap

disconnect con1;
disconnect con2;
SET DEBUG_SYNC= "RESET";
DROP TABLE t1;

--echo #
--echo # Bug#11853126 RE-ENABLE CONCURRENT READS WHILE CREATING SECONDARY INDEX
--echo #              IN INNODB
--echo #

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1(a INT NOT NULL, b INT NOT NULL) engine=innodb;
INSERT INTO t1 VALUES (1, 12345), (2, 23456);

--echo # Connection con1
--connect (con1,localhost,root)
SET SESSION debug= "+d,alter_table_rollback_new_index";
--error ER_UNKNOWN_ERROR
ALTER TABLE t1 ADD PRIMARY KEY(a);
SELECT * FROM t1;

--echo # Connection default
--connection default
SELECT * FROM t1;
DROP TABLE t1;
disconnect con1;

# 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

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