rpl_misc_functions.test

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#
# Test of replicating some difficult functions
#
source include/master-slave.inc;

create table t1(id int, i int, r1 int, r2 int, p varchar(100));
insert into t1 values(1, connection_id(), 0, 0, "");
# don't put rand and password in the same query, to see if they replicate
# independently
# Pure rand test
insert into t1 values(2, 0, rand()*1000, rand()*1000, "");
# change the rand suite on the master (we do this because otherwise password()
# benefits from the fact that the above rand() is well replicated : 
# it picks the same sequence element, which hides a possible bug in password() replication.
set sql_log_bin=0;
insert into t1 values(6, 0, rand(), rand(), "");
delete from t1 where id=6;
set sql_log_bin=1;
# Pure password test
insert into t1 values(3, 0, 0, 0, password('does_this_work?'));
# "altogether now"
insert into t1 values(4, connection_id(), rand()*1000, rand()*1000, password('does_this_still_work?'));
select * into outfile 'rpl_misc_functions.outfile' from t1;
sync_slave_with_master;
create table t2 like t1; 
# read the values from the master table
--replace_result $MYSQLTEST_VARDIR MYSQLTEST_VARDIR
eval load data local infile '$MYSQLTEST_VARDIR/master-data/test/rpl_misc_functions.outfile' into table t2;
# compare them with the replica; the SELECT below should return no row
select * from t1, t2 where (t1.id=t2.id) and not(t1.i=t2.i and t1.r1=t2.r1 and t1.r2=t2.r2 and t1.p=t2.p);

connection master;
drop table t1;

# End of 4.1 tests

#
# BUG#25543 test calling rand() multiple times on the master in
# a stored procedure.
#

--disable_warnings
DROP TABLE IF EXISTS t1;
--enable_warnings

CREATE TABLE t1 (id INT NOT NULL AUTO_INCREMENT PRIMARY KEY,
  col_a DOUBLE DEFAULT NULL);

DELIMITER |;

# Use a SP that calls rand() multiple times
CREATE PROCEDURE test_replication_sp1()
BEGIN
 INSERT INTO t1 (col_a) VALUES (rand()), (rand());
 INSERT INTO t1 (col_a) VALUES (rand());
END|

# Use a SP that calls another SP to call rand() multiple times
CREATE PROCEDURE test_replication_sp2()
BEGIN
  CALL test_replication_sp1();
  CALL test_replication_sp1();
END|

# Use a SF that calls rand() multiple times
CREATE FUNCTION test_replication_sf() RETURNS DOUBLE DETERMINISTIC
BEGIN
 RETURN (rand() + rand());
END|

DELIMITER ;|

# Exercise the functions and procedures then compare the results on
# the master to those on the slave.
CALL test_replication_sp1();
CALL test_replication_sp2();
INSERT INTO t1 (col_a) VALUES (test_replication_sf());
INSERT INTO t1 (col_a) VALUES (test_replication_sf());
INSERT INTO t1 (col_a) VALUES (test_replication_sf());

--sync_slave_with_master

# Dump table on slave
select * from t1 into outfile "../tmp/t1_slave.txt";

# Load data from slave into temp table on master
connection master;
create temporary table t1_slave select * from t1 where 1=0;
load data infile '../tmp/t1_slave.txt' into table t1_slave;
--remove_file $MYSQLTEST_VARDIR/tmp/t1_slave.txt

# Compare master and slave temp table, use subtraction
# for floating point comparison of "double"
select count(*) into @aux from t1 join t1_slave using (id)
where ABS(t1.col_a - t1_slave.col_a) < 0.0000001 ;
SELECT @aux;
if (`SELECT @aux <> 12 OR @aux IS NULL`)
{
   --echo # ERROR: We expected to get count(*) = 12.
   SELECT id, col_a FROM t1;
   SELECT id, col_a FROM t1_slave;
   --echo # abort
   exit;
}

# Cleanup
connection master;
DROP TABLE t1, t1_slave;
DROP PROCEDURE test_replication_sp1;
DROP PROCEDURE test_replication_sp2;
DROP FUNCTION test_replication_sf;
--sync_slave_with_master