source include/master-slave.inc; # It is not possible to replicate FOUND_ROWS() using statement-based # replication, but there is a workaround that stores the result of # FOUND_ROWS() into a user variable and then replicates this instead. # The purpose of this test case is to test that the workaround # function properly even when inside stored programs (i.e., stored # routines and triggers). --echo ==== 0. Setting it all up ==== SET BINLOG_FORMAT=STATEMENT; --echo **** On Master **** 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; --echo #### 1. Using statement mode #### --echo ==== 1.1. Simple test ==== SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; # Instead of # INSERT INTO logtbl VALUES(1, 1, FOUND_ROWS()); # we write 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; # Instead of # INSERT INTO logtbl VALUES(1, 2, FOUND_ROWS()); # we write SELECT FOUND_ROWS() INTO @a; INSERT INTO logtbl VALUES(1,2,@a); SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test; --echo **** On Slave **** sync_slave_with_master; SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test; --echo ==== 1.2. Stored procedure ==== # Here we do both the calculation and the logging. We also do it twice # to make sure that there are no limitations on how many times it can # be used. --echo **** On Master **** connection master; --delimiter $$ CREATE PROCEDURE calc_and_log(sect INT, test INT) BEGIN DECLARE cnt INT; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1; SELECT FOUND_ROWS() INTO cnt; INSERT INTO logtbl VALUES(sect,test,cnt); SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; SELECT FOUND_ROWS() INTO cnt; INSERT INTO logtbl VALUES(sect,test+1,cnt); END $$ --delimiter ; CALL calc_and_log(2,1); --delimiter $$ CREATE PROCEDURE just_log(sect INT, test INT, found_rows INT) BEGIN INSERT INTO logtbl VALUES (sect,test,found_rows); END $$ --delimiter ; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; SELECT FOUND_ROWS() INTO @found_rows; CALL just_log(2,3,@found_rows); SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test; --echo **** On Slave **** sync_slave_with_master; SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test; --echo ==== 1.3. Stored functions ==== --echo **** On Master **** connection master; --delimiter $$ CREATE FUNCTION log_rows(sect INT, test INT, found_rows INT) RETURNS INT BEGIN INSERT INTO logtbl VALUES(sect,test,found_rows); RETURN found_rows; END $$ --delimiter ; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; SELECT FOUND_ROWS() INTO @found_rows; SELECT log_rows(3,1,@found_rows), log_rows(3,2,@found_rows); SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test; --echo **** On Slave **** sync_slave_with_master; SELECT * FROM logtbl WHERE sect = 3 ORDER BY sect,test; --echo ==== 1.9. Cleanup ==== --echo **** On Master **** connection master; DELETE FROM logtbl; DROP PROCEDURE just_log; DROP PROCEDURE calc_and_log; DROP FUNCTION log_rows; --source include/rpl_reset.inc --echo #### 2. Using mixed mode #### --echo ==== 2.1. Checking a procedure ==== --echo **** On Master **** connection master; SET BINLOG_FORMAT=MIXED; # We will now check some stuff that will not work in statement-based # replication, but which should cause the binary log to switch to # row-based logging. --delimiter $$ CREATE PROCEDURE just_log(sect INT, test INT) BEGIN INSERT INTO logtbl VALUES (sect,test,FOUND_ROWS()); END $$ --delimiter ; sync_slave_with_master; --echo **** On Master 1 **** connection master1; SET BINLOG_FORMAT=MIXED; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; CALL just_log(1,1); --echo **** On Master **** connection master; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; CALL just_log(1,2); --echo **** On Master 1 **** connection master1; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1; CALL just_log(1,3); sync_slave_with_master; --echo **** On Master **** connection master; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; CALL just_log(1,4); sync_slave_with_master; connection master; SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test; --echo **** On Slave **** sync_slave_with_master; SELECT * FROM logtbl WHERE sect = 1 ORDER BY sect,test; --echo ==== 2.1. Checking a stored function ==== --echo **** On Master **** connection master; --delimiter $$ CREATE FUNCTION log_rows(sect INT, test INT) RETURNS INT BEGIN DECLARE found_rows INT; SELECT FOUND_ROWS() INTO found_rows; INSERT INTO logtbl VALUES(sect,test,found_rows); RETURN found_rows; END $$ --delimiter ; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1; SELECT log_rows(2,1), log_rows(2,2); CREATE TABLE t2 (a INT, b INT); # Trying with referencing FOUND_ROWS() directly in the trigger. --delimiter $$ CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW BEGIN INSERT INTO logtbl VALUES (NEW.a, NEW.b, FOUND_ROWS()); END $$ --delimiter ; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1; INSERT INTO t2 VALUES (2,3), (2,4); # Referencing FOUND_ROWS() indirectly. DROP TRIGGER t2_tr; --delimiter $$ CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW BEGIN DECLARE dummy INT; SELECT log_rows(NEW.a, NEW.b) INTO dummy; END $$ --delimiter ; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; INSERT INTO t2 VALUES (2,5), (2,6); # Putting FOUND_ROWS() even lower in the call chain. connection master; DROP TRIGGER t2_tr; --delimiter $$ CREATE PROCEDURE log_me_inner(sect INT, test INT) BEGIN DECLARE dummy INT; SELECT log_rows(sect, test) INTO dummy; SELECT log_rows(sect, test+1) INTO dummy; END $$ CREATE PROCEDURE log_me(sect INT, test INT) BEGIN CALL log_me_inner(sect,test); END $$ --delimiter ; --delimiter $$ CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW BEGIN CALL log_me(NEW.a, NEW.b); END $$ --delimiter ; SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1; INSERT INTO t2 VALUES (2,5), (2,6); SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test; sync_slave_with_master; SELECT * FROM logtbl WHERE sect = 2 ORDER BY sect,test; connection master; DROP TABLE t1, t2, logtbl; DROP PROCEDURE just_log; DROP PROCEDURE log_me; DROP PROCEDURE log_me_inner; DROP FUNCTION log_rows; sync_slave_with_master; --source include/rpl_end.inc