^^&&^^

Edit File: sync_block.test

#
# BUG#22516559 MYSQL INSTANCE STALLS WHEN SYNCING FTS INDEX
#

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

--disable_query_log
CALL mtr.add_suppression("InnoDB: Warning: MySQL is trying to drop table *.*");
--enable_query_log

SET @old_log_output = @@global.log_output;
SET @old_slow_query_log = @@global.slow_query_log;
SET @old_general_log = @@global.general_log;
SET @old_long_query_time = @@global.long_query_time;
SET @old_binlog_order_commits = @@global.binlog_order_commits;

SET GLOBAL log_output = 'TABLE';
SET GLOBAL general_log = 1;
SET GLOBAL slow_query_log = 1;
SET GLOBAL long_query_time = 1;
SET GLOBAL binlog_order_commits = 1;

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

--echo # Case 1: Sync blocks DML(insert) on the same table.
--sleep 2
CREATE TABLE t1 (
        FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
        title VARCHAR(200),
        FULLTEXT(title)
) ENGINE = InnoDB;

connection con1;

SET GLOBAL debug="+d,fts_instrument_sync_debug,fts_instrument_sync_sleep";

SET DEBUG_SYNC= 'fts_sync_begin SIGNAL begin WAIT_FOR continue';

send INSERT INTO t1(title) VALUES('mysql database');

connection con2;

SET DEBUG_SYNC= 'now WAIT_FOR begin';

send SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');

connection default;
SET DEBUG_SYNC= 'now SIGNAL continue';

connection con1;
--echo /* connection con1 */ INSERT INTO t1(title) VALUES('mysql database');
--reap

connection con2;
--echo /* conneciton con2 */ SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');
--reap

connection default;
-- echo # make con1 & con2 show up in mysql.slow_log
SELECT SLEEP(2);
-- echo # slow log results should only contain INSERT INTO t1.
SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';

SET GLOBAL debug="-d,fts_instrument_sync_debug,fts_instrument_sync_sleep";
TRUNCATE TABLE mysql.slow_log;

DROP TABLE t1;

--echo # Case 2: Sync blocks DML(insert) on other tables.
CREATE TABLE t1 (
        FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
        title VARCHAR(200),
        FULLTEXT(title)
) ENGINE = InnoDB;

CREATE TABLE t2(id INT);

connection con1;

SET GLOBAL debug="+d,fts_instrument_sync_request,fts_instrument_sync_sleep";

SET DEBUG_SYNC= 'fts_instrument_sync_request SIGNAL begin WAIT_FOR continue';

send INSERT INTO t1(title) VALUES('mysql database');

connection con2;

SET DEBUG_SYNC= 'now WAIT_FOR begin';

send INSERT INTO t2 VALUES(1);

connection default;
SET DEBUG_SYNC= 'now SIGNAL continue';

connection con1;
--echo /* connection con1 */ INSERT INTO t1(title) VALUES('mysql database');
--reap

connection con2;
--echo /* conneciton con2 */ INSERT INTO t2 VALUES(1);
--reap

connection default;
-- echo # make con1 & con2 show up in mysql.slow_log
SELECT SLEEP(2);
-- echo # slow log results should be empty here.
SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';

SET GLOBAL debug="-d,fts_instrument_sync_request,fts_instrument_sync_sleep";
TRUNCATE TABLE mysql.slow_log;

DROP TABLE t1,t2;

disconnect con1;
disconnect con2;

--source include/wait_until_count_sessions.inc

-- echo # Restore slow log settings.
SET GLOBAL log_output = @old_log_output;
SET GLOBAL general_log = @old_general_log;
SET GLOBAL slow_query_log = @old_slow_query_log;
SET GLOBAL long_query_time = @old_long_query_time;
SET GLOBAL binlog_order_commits = @old_binlog_order_commits;