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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;
# Case 1: Sync blocks DML(insert) on the same table.
CREATE TABLE t1 (
FTS_DOC_ID BIGINT UNSIGNED AUTO_INCREMENT NOT NULL PRIMARY KEY,
title VARCHAR(200),
FULLTEXT(title)
) ENGINE = InnoDB;
SET GLOBAL debug="+d,fts_instrument_sync_debug,fts_instrument_sync_sleep";
SET DEBUG_SYNC= 'fts_sync_begin SIGNAL begin WAIT_FOR continue';
INSERT INTO t1(title) VALUES('mysql database');
SET DEBUG_SYNC= 'now WAIT_FOR begin';
SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');
SET DEBUG_SYNC= 'now SIGNAL continue';
/* connection con1 */ INSERT INTO t1(title) VALUES('mysql database');
/* conneciton con2 */ SELECT * FROM t1 WHERE MATCH(title) AGAINST('mysql database');
FTS_DOC_ID	title
# make con1 & con2 show up in mysql.slow_log
SELECT SLEEP(2);
SLEEP(2)
0
# slow log results should only contain INSERT INTO t1.
SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';
sql_text
INSERT INTO t1(title) VALUES('mysql database')
SET GLOBAL debug="-d,fts_instrument_sync_debug,fts_instrument_sync_sleep";
TRUNCATE TABLE mysql.slow_log;
DROP TABLE t1;
# 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);
SET GLOBAL debug="+d,fts_instrument_sync_request,fts_instrument_sync_sleep";
SET DEBUG_SYNC= 'fts_instrument_sync_request SIGNAL begin WAIT_FOR continue';
INSERT INTO t1(title) VALUES('mysql database');
SET DEBUG_SYNC= 'now WAIT_FOR begin';
INSERT INTO t2 VALUES(1);
SET DEBUG_SYNC= 'now SIGNAL continue';
/* connection con1 */ INSERT INTO t1(title) VALUES('mysql database');
/* conneciton con2 */ INSERT INTO t2 VALUES(1);
# make con1 & con2 show up in mysql.slow_log
SELECT SLEEP(2);
SLEEP(2)
0
# slow log results should be empty here.
SELECT sql_text FROM mysql.slow_log WHERE query_time >= '00:00:02';
sql_text
SET GLOBAL debug="-d,fts_instrument_sync_request,fts_instrument_sync_sleep";
TRUNCATE TABLE mysql.slow_log;
DROP TABLE t1,t2;
# 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;