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stop slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
reset master;
reset slave;
drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
start slave;
==== 0. Setting it all up ====
SET BINLOG_FORMAT=STATEMENT;
**** On Master ****
CREATE TABLE t1 (a INT);
CREATE TABLE logtbl (sect INT, test INT, count INT);
INSERT INTO t1 VALUES (1),(2),(3);
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
INSERT INTO t1 SELECT 2*a+3 FROM t1;
#### 1. Using statement mode ####
==== 1.1. Simple test ====
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
SELECT FOUND_ROWS() INTO @a;
INSERT INTO logtbl VALUES(1,1,@a);
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
a
1
SELECT FOUND_ROWS() INTO @a;
INSERT INTO logtbl VALUES(1,2,@a);
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
sect test count
1 1 183
1 2 3
**** On Slave ****
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
sect test count
1 1 183
1 2 3
==== 1.2. Stored procedure ====
**** On Master ****
CREATE PROCEDURE calc_and_log(sect INT, test INT) BEGIN
DECLARE cnt INT;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
SELECT FOUND_ROWS() INTO cnt;
INSERT INTO logtbl VALUES(sect,test,cnt);
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
SELECT FOUND_ROWS() INTO cnt;
INSERT INTO logtbl VALUES(sect,test+1,cnt);
END $$
CALL calc_and_log(2,1);
a
1
a
7
CREATE PROCEDURE just_log(sect INT, test INT, found_rows INT) BEGIN
INSERT INTO logtbl VALUES (sect,test,found_rows);
END $$
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
SELECT FOUND_ROWS() INTO @found_rows;
CALL just_log(2,3,@found_rows);
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
sect test count
2 1 3
2 2 183
2 3 183
**** On Slave ****
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
sect test count
2 1 3
2 2 183
2 3 183
==== 1.3. Stored functions ====
**** On Master ****
CREATE FUNCTION log_rows(sect INT, test INT, found_rows INT)
RETURNS INT
BEGIN
INSERT INTO logtbl VALUES(sect,test,found_rows);
RETURN found_rows;
END $$
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
SELECT FOUND_ROWS() INTO @found_rows;
SELECT log_rows(3,1,@found_rows), log_rows(3,2,@found_rows);
log_rows(3,1,@found_rows) log_rows(3,2,@found_rows)
183 183
SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test;
sect test count
3 1 183
3 2 183
**** On Slave ****
SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test;
sect test count
3 1 183
3 2 183
==== 1.9. Cleanup ====
**** On Master ****
DELETE FROM logtbl;
DROP PROCEDURE just_log;
DROP PROCEDURE calc_and_log;
DROP FUNCTION log_rows;
**** Resetting master and slave ****
STOP SLAVE;
RESET SLAVE;
RESET MASTER;
START SLAVE;
#### 2. Using mixed mode ####
==== 2.1. Checking a procedure ====
**** On Master ****
SET BINLOG_FORMAT=MIXED;
CREATE PROCEDURE just_log(sect INT, test INT) BEGIN
INSERT INTO logtbl VALUES (sect,test,FOUND_ROWS());
END $$
**** On Master 1 ****
SET BINLOG_FORMAT=MIXED;
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
CALL just_log(1,1);
**** On Master ****
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
CALL just_log(1,2);
**** On Master 1 ****
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
a
1
CALL just_log(1,3);
**** On Master ****
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
CALL just_log(1,4);
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
sect test count
1 1 183
1 2 183
1 3 3
1 4 183
**** On Slave ****
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
sect test count
1 1 183
1 2 183
1 3 3
1 4 183
==== 2.1. Checking a stored function ====
**** On Master ****
CREATE FUNCTION log_rows(sect INT, test INT)
RETURNS INT
BEGIN
DECLARE found_rows INT;
SELECT FOUND_ROWS() INTO found_rows;
INSERT INTO logtbl VALUES(sect,test,found_rows);
RETURN found_rows;
END $$
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
a
1
SELECT log_rows(2,1), log_rows(2,2);
log_rows(2,1) log_rows(2,2)
3 3
CREATE TABLE t2 (a INT, b INT);
CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
BEGIN
INSERT INTO logtbl VALUES (NEW.a, NEW.b, FOUND_ROWS());
END $$
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
a
1
INSERT INTO t2 VALUES (2,3), (2,4);
DROP TRIGGER t2_tr;
CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
BEGIN
DECLARE dummy INT;
SELECT log_rows(NEW.a, NEW.b) INTO dummy;
END $$
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
INSERT INTO t2 VALUES (2,5), (2,6);
DROP TRIGGER t2_tr;
CREATE PROCEDURE log_me_inner(sect INT, test INT)
BEGIN
DECLARE dummy INT;
SELECT log_rows(sect, test) INTO dummy;
SELECT log_rows(sect, test+1) INTO dummy;
END $$
CREATE PROCEDURE log_me(sect INT, test INT)
BEGIN
CALL log_me_inner(sect,test);
END $$
CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
BEGIN
CALL log_me(NEW.a, NEW.b);
END $$
SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
a
7
INSERT INTO t2 VALUES (2,5), (2,6);
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
sect test count
2 1 3
2 2 3
2 3 3
2 4 3
2 5 183
2 5 183
2 6 183
2 6 0
2 6 183
2 7 0
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
sect test count
2 1 3
2 2 3
2 3 3
2 4 3
2 5 183
2 5 183
2 6 183
2 6 0
2 6 183
2 7 0
DROP TABLE t1, logtbl;
DROP PROCEDURE just_log;
DROP PROCEDURE log_me;
DROP PROCEDURE log_me_inner;
DROP FUNCTION log_rows;
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