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################### include/rpl_stmt_seq.inc ###########################
# #
# Check if a given SQL statement (->$my_stmt) / AUTOCOMMIT mode / #
# storage engine somehow involved causes COMMIT or ROLLBACK. #
# #
# #
# The typical test sequence #
# ------------------------- #
# 1. master connection: INSERT without commit #
# check table content of master and slave #
# 2. master connection: EXECUTE the statement #
# check table content of master and slave #
# 3. master connection: ROLLBACK #
# check table content of master and slave #
# 4. flush the logs #
# #
# The variables #
# $show_binlog -- print binlog entries #
# 0 - default + fits to the file with #
# results #
# 1 - useful for debugging #
# This variable is used within #
# include/rpl_stmt_seq.inc. #
# $manipulate -- Manipulation of the binary logs #
# 0 - do nothing #
# 1 - so that the output of SHOW BINLOG #
# EVENTS IN <current log> contains only #
# commands of the current test sequence #
# This is especially useful, if the #
# $show_binlog is set to 1 and many #
# subtest are executed. #
# This variable is used within #
# include/rpl_stmt_seq.inc. #
# have to be set before sourcing this script. #
# #
# Please be very careful when editing this routine, because the #
# handling of the $variables is extreme sensitive. #
# #
########################################################################
# Last update:
# 2007-02-12 ML Replace comments via SQL by "--echo ..."
#
let $VERSION=`select version()`;
--echo
--echo ######## $my_stmt ########
###############################################################
# Predict the number of the current log
###############################################################
# Disable the logging of the log number computation.
--disable_query_log
# $_log_num_n should contain the number of the current binlog in numeric style.
# If this routine is called for the first time, $_log_num will not initialized
# and contain the value '' instead of '1'. So we will correct it here.
#
eval set @aux= IF('$_log_num_n' = '', '1', '$_log_num_n');
let $_log_num_n= `SELECT @aux`;
eval set @aux= LPAD('$_log_num_n',6,'0');
# SELECT @aux AS "@aux is";
#
# $_log_num_s should contain the number of the current binlog in string style.
let $_log_num_s= `select @aux`;
# eval SELECT '$log_num' ;
--enable_query_log
###############################################################
# INSERT
###############################################################
--echo
--echo -------- switch to master -------
connection master;
# Maybe it would be smarter to use a table with an autoincrement column.
let $MAX= `SELECT MAX(f1) FROM t1` ;
eval INSERT INTO t1 SET f1= $MAX + 1;
# results before DDL(to be tested)
SELECT MAX(f1) FROM t1;
if ($show_binlog)
{
--let $binlog_file= master-bin.$_log_num_s
--source include/show_binlog_events.inc
}
sync_slave_with_master;
--echo
--echo -------- switch to slave --------
connection slave;
# results before DDL(to be tested)
SELECT MAX(f1) FROM t1;
if ($show_binlog)
{
--let $binlog_file= slave-bin.$_log_num_s
--source include/show_binlog_events.inc
}
###############################################################
# command to be tested
###############################################################
--echo
--echo -------- switch to master -------
connection master;
eval $my_stmt;
# Devaluate $my_stmt, to detect script bugs
let $my_stmt= ERROR: YOU FORGOT TO FILL IN THE STATEMENT;
# results after DDL(to be tested)
SELECT MAX(f1) FROM t1;
if ($show_binlog)
{
--let $binlog_file= master-bin.$_log_num_s
--source include/show_binlog_events.inc
}
sync_slave_with_master;
--echo
--echo -------- switch to slave --------
connection slave;
# results after DDL(to be tested)
SELECT MAX(f1) FROM t1;
if ($show_binlog)
{
--let $binlog_file= slave-bin.$_log_num_s
--source include/show_binlog_events.inc
}
###############################################################
# ROLLBACK
###############################################################
--echo
--echo -------- switch to master -------
connection master;
ROLLBACK;
# results after final ROLLBACK
SELECT MAX(f1) FROM t1;
# Try to detect if the DDL command caused that the INSERT is committed
# $MAX holds the highest/last value just before the insert of MAX + 1
--disable_query_log
eval SELECT CONCAT(CONCAT('TEST-INFO: MASTER: The INSERT is ',
IF(MAX(f1) = $MAX + 1, 'committed', 'not committed')),
IF((MAX(f1) = $MAX + 1) XOR NOT $my_master_commit,
' (Succeeded)',
' (Failed)')) AS ""
FROM mysqltest1.t1;
--enable_query_log
if ($show_binlog)
{
--let $binlog_file= master-bin.$_log_num_s
--source include/show_binlog_events.inc
}
sync_slave_with_master;
--echo
--echo -------- switch to slave --------
connection slave;
# results after final ROLLBACK
SELECT MAX(f1) FROM t1;
--disable_query_log
eval SELECT CONCAT(CONCAT('TEST-INFO: SLAVE: The INSERT is ',
IF(MAX(f1) = $MAX + 1, 'committed', 'not committed')),
IF((MAX(f1) = $MAX + 1) XOR NOT $my_slave_commit,
' (Succeeded)',
' (Failed)')) AS ""
FROM mysqltest1.t1;
--enable_query_log
if ($show_binlog)
{
--let $binlog_file= slave-bin.$_log_num_s
--source include/show_binlog_events.inc
}
###############################################################
# Manipulate binlog
###############################################################
if ($manipulate)
{
#### Manipulate the binary logs,
# so that the output of SHOW BINLOG EVENTS IN <current log>
# contains only commands of the current test sequence.
# - flush the master and the slave log
# ---> both start to write into new logs with incremented number
# - increment $_log_num_n
--echo
--echo -------- switch to master -------
connection master;
flush logs;
# sleep 1;
# eval SHOW BINLOG EVENTS IN 'master-bin.$_log_num_s';
sync_slave_with_master;
--echo
--echo -------- switch to slave --------
connection slave;
# the final content of the binary log
flush logs;
# The next sleep is urgent needed.
# Without this sleep the slaves crashes often, when the SHOW BINLOG
# is executed. :-(
# sleep 1;
# eval SHOW BINLOG EVENTS IN 'slave-bin.$_log_num_s';
inc $_log_num_n;
}
--echo
--echo -------- switch to master -------
connection master;
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