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657dca9367
In BUG#30244 added FOUND_ROWS() as an unsafe function, but that works only in mixed mode under 5.1. There is a workaround that can be used in statement-based mode either under 5.0 or 5.1 where the result of FOUND_ROWS() is stored into a user vari- able and used that way instead. This will replicate correctly even under statement-based replication, since it will write a User_var entry to the binary log. For some other cases, the value has to be passed explicitly. This patch adds tests to demonstrate that the workarounds docu- mented for statement-based replication works as advertised, and does more extensive tests for cases that does not work under sta- tement-based replication actually work under mixed mode by switch- ing to row-based replication. mysql-test/include/reset_master_and_slave.inc: New BitKeeper file ``mysql-test/include/reset_master_and_slave.inc'' mysql-test/suite/rpl/r/rpl_found_rows.result: New BitKeeper file ``mysql-test/suite/rpl/r/rpl_found_rows.result'' mysql-test/suite/rpl/t/rpl_found_rows.test: New BitKeeper file ``mysql-test/suite/rpl/t/rpl_found_rows.test''
228 lines
5.2 KiB
Text
228 lines
5.2 KiB
Text
stop slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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reset master;
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reset slave;
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drop table if exists t1,t2,t3,t4,t5,t6,t7,t8,t9;
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start slave;
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==== 0. Setting it all up ====
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SET BINLOG_FORMAT=STATEMENT;
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**** On Master ****
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CREATE TABLE t1 (a INT);
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CREATE TABLE logtbl (sect INT, test INT, count INT);
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INSERT INTO t1 VALUES (1),(2),(3);
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INSERT INTO t1 SELECT 2*a+3 FROM t1;
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INSERT INTO t1 SELECT 2*a+3 FROM t1;
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INSERT INTO t1 SELECT 2*a+3 FROM t1;
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INSERT INTO t1 SELECT 2*a+3 FROM t1;
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INSERT INTO t1 SELECT 2*a+3 FROM t1;
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INSERT INTO t1 SELECT 2*a+3 FROM t1;
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#### 1. Using statement mode ####
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==== 1.1. Simple test ====
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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SELECT FOUND_ROWS() INTO @a;
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INSERT INTO logtbl VALUES(1,1,@a);
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
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a
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1
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SELECT FOUND_ROWS() INTO @a;
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INSERT INTO logtbl VALUES(1,2,@a);
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SELECT * FROM logtbl WHERE sect = 1;
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sect test count
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1 1 183
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1 2 3
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**** On Slave ****
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SELECT * FROM logtbl WHERE sect = 1;
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sect test count
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1 1 183
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1 2 3
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==== 1.2. Stored procedure ====
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**** On Master ****
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CREATE PROCEDURE calc_and_log(sect INT, test INT) BEGIN
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DECLARE cnt INT;
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
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SELECT FOUND_ROWS() INTO cnt;
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INSERT INTO logtbl VALUES(sect,test,cnt);
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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SELECT FOUND_ROWS() INTO cnt;
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INSERT INTO logtbl VALUES(sect,test+1,cnt);
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END $$
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CALL calc_and_log(2,1);
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a
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1
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a
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7
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CREATE PROCEDURE just_log(sect INT, test INT, found_rows INT) BEGIN
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INSERT INTO logtbl VALUES (sect,test,found_rows);
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END $$
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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SELECT FOUND_ROWS() INTO @found_rows;
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CALL just_log(2,3,@found_rows);
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SELECT * FROM logtbl WHERE sect = 2;
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sect test count
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2 1 3
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2 2 183
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2 3 183
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**** On Slave ****
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SELECT * FROM logtbl WHERE sect = 2;
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sect test count
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2 1 3
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2 2 183
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2 3 183
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==== 1.3. Stored functions ====
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**** On Master ****
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CREATE FUNCTION log_rows(sect INT, test INT, found_rows INT)
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RETURNS INT
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BEGIN
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INSERT INTO logtbl VALUES(sect,test,found_rows);
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RETURN found_rows;
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END $$
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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SELECT FOUND_ROWS() INTO @found_rows;
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SELECT log_rows(3,1,@found_rows), log_rows(3,2,@found_rows);
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log_rows(3,1,@found_rows) log_rows(3,2,@found_rows)
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183 183
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SELECT * FROM logtbl WHERE sect = 3;
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sect test count
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3 1 183
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3 2 183
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**** On Slave ****
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SELECT * FROM logtbl WHERE sect = 3;
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sect test count
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3 1 183
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3 2 183
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==== 1.9. Cleanup ====
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**** On Master ****
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DELETE FROM logtbl;
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DROP PROCEDURE just_log;
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DROP PROCEDURE calc_and_log;
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DROP FUNCTION log_rows;
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**** Resetting master and slave ****
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STOP SLAVE;
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RESET SLAVE;
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RESET MASTER;
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START SLAVE;
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#### 2. Using mixed mode ####
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==== 2.1. Checking a procedure ====
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**** On Master ****
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SET BINLOG_FORMAT=MIXED;
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CREATE PROCEDURE just_log(sect INT, test INT) BEGIN
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INSERT INTO logtbl VALUES (sect,test,FOUND_ROWS());
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END $$
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**** On Master 1 ****
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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CALL just_log(1,1);
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**** On Master ****
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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CALL just_log(1,2);
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**** On Master 1 ****
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
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a
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1
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CALL just_log(1,3);
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**** On Master ****
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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CALL just_log(1,4);
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SELECT * FROM logtbl WHERE sect = 1;
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sect test count
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1 1 183
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1 2 183
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1 3 3
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1 4 183
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**** On Slave ****
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SELECT * FROM logtbl WHERE sect = 1;
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sect test count
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1 1 183
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1 2 183
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1 3 3
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1 4 183
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==== 2.1. Checking a stored function ====
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**** On Master ****
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CREATE FUNCTION log_rows(sect INT, test INT)
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RETURNS INT
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BEGIN
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DECLARE found_rows INT;
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SELECT FOUND_ROWS() INTO found_rows;
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INSERT INTO logtbl VALUES(sect,test,found_rows);
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RETURN found_rows;
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END $$
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
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a
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1
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SELECT log_rows(2,1), log_rows(2,2);
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log_rows(2,1) log_rows(2,2)
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3 3
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CREATE TABLE t2 (a INT, b INT);
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CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
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BEGIN
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INSERT INTO logtbl VALUES (NEW.a, NEW.b, FOUND_ROWS());
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END $$
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a < 5 ORDER BY a LIMIT 1;
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a
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1
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INSERT INTO t2 VALUES (2,3), (2,4);
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DROP TRIGGER t2_tr;
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CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
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BEGIN
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DECLARE dummy INT;
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SELECT log_rows(NEW.a, NEW.b) INTO dummy;
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END $$
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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INSERT INTO t2 VALUES (2,5), (2,6);
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DROP TRIGGER t2_tr;
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CREATE PROCEDURE log_me_inner(sect INT, test INT)
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BEGIN
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DECLARE dummy INT;
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SELECT log_rows(sect, test) INTO dummy;
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SELECT log_rows(sect, test+1) INTO dummy;
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END $$
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CREATE PROCEDURE log_me(sect INT, test INT)
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BEGIN
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CALL log_me_inner(sect,test);
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END $$
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CREATE TRIGGER t2_tr BEFORE INSERT ON t2 FOR EACH ROW
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BEGIN
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CALL log_me(NEW.a, NEW.b);
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END $$
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SELECT SQL_CALC_FOUND_ROWS * FROM t1 WHERE a > 5 ORDER BY a LIMIT 1;
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a
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7
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INSERT INTO t2 VALUES (2,5), (2,6);
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SELECT * FROM logtbl WHERE sect = 2;
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sect test count
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2 1 3
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2 2 3
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2 3 3
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2 4 3
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2 5 183
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2 6 183
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2 5 183
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2 6 0
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2 6 183
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2 7 0
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SELECT * FROM logtbl WHERE sect = 2;
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sect test count
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2 1 3
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2 2 3
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2 3 3
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2 4 3
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2 5 183
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2 6 183
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2 5 183
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2 6 0
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2 6 183
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2 7 0
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DROP TABLE t1, logtbl;
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