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include/master-slave.inc
[connection master]
==== Initialize ====
connection 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;
==== 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
connection slave;
SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test;
sect test count
1 1 183
1 2 3
==== Stored procedure ====
connection 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
connection slave;
SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test;
sect test count
2 1 3
2 2 183
2 3 183
==== Stored functions ====
connection 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
connection slave;
SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test;
sect test count
3 1 183
3 2 183
==== Cleanup ====
connection master;
DROP TABLE t1, logtbl;
DROP PROCEDURE just_log;
DROP PROCEDURE calc_and_log;
DROP FUNCTION log_rows;
include/rpl_end.inc
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