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mariadb/mysql-test/suite/rpl/t/rpl_stm_binlog_direct.test

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BUG#46364 MyISAM transbuffer problems (NTM problem) It is well-known that due to concurrency issues, a slave can become inconsistent when a transaction contains updates to both transaction and non-transactional tables in statement and mixed modes. In a nutshell, the current code-base tries to preserve causality among the statements by writing non-transactional statements to the txn-cache which is flushed upon commit. However, modifications done to non-transactional tables on behalf of a transaction become immediately visible to other connections but may not immediately get into the binary log and therefore consistency may be broken. In general, it is impossible to automatically detect causality/dependency among statements by just analyzing the statements sent to the server. This happen because dependency may be hidden in the application code and it is necessary to know a priori all the statements processed in the context of a transaction such as in a procedure. Moreover, even for the few cases that we could automatically address in the server, the computation effort required could make the approach infeasible. So, in this patch we introduce the option - "--binlog-direct-non-transactional-updates" that can be used to bypass the current behavior in order to write directly to binary log statements that change non-transactional tables. mysql-test/extra/rpl_tests/rpl_mixing_engines.inc: Backported this from Celosia to improve the test cases related to the NTM issue. sql/log.cc: Checks the --binlog-direct-non-transactional-updates before choosing to either use the trxn-cache or not. sql/mysqld.cc: Introduces the option --binlog-direct-non-transactional-updates. sql/set_var.cc: Introduces the option --binlog-direct-non-transactional-updates. sql/sql_class.h: Introduces the option --binlog-direct-non-transactional-updates.
2010-01-20 20:08:16 +01:00
################################################################################
# This test case checks if the option "binlog-direct-non-transactional-updates"
# makes non-transactional changes in the statement format to be written to the
# binary log as soon as the statement commits.
#
# In what follows, we use the include file rpl_mixing_engines.inc to generate
# sql commands from a format string. The format string consists of a sequence of
# 'codes' separated by spaces. Before it set of commands, we paste the expected
# sequence in the binary log. The following codes exist:
#
# - Define the scope of a transaction:
# B - Begin.
# C - Commit.
# R - Rollback.
#
# - Change only T-Tables:
# T - Updates a T-Table.
# T-trig - Updates T-Tables through a trigger.
# T-func - Updates T-Tables through a function.
# T-proc - Updates T-Tables through a procedure.
# eT - Fails while updating the first tuple in a T-Table.
# Te - Fails while updating an n-tuple (n > 1) in a T-Table.
# Te-trig - Fails while updating an n-tuple (n > 1) in a T-Table.
# Te-func - Fails while updating an n-tuple (n > 1) in a T-Table.
#
# - Change only N-Tables
# N - Updates a N-Table.
# N-trig - Updates N-Tables through a trigger.
# N-func - Updates N-Tables through a function.
# N-proc - Updates N-Tables through a procedure.
# eN - Fails while updating the first tuple in a N-Table.
# Ne - Fails while updating an n-tuple (n > 1) in a N-Table.
# Ne-trig - Fails while updating an n-tuple (n > 1) in a N-Table.
# Ne-func - Fails while updating an n-tuple (n > 1) in a N-Table.
################################################################################
--source include/have_binlog_format_statement.inc
--source include/master-slave.inc
--source include/have_innodb.inc
set @@session.binlog_direct_non_transactional_updates= TRUE;
--echo #########################################################################
--echo # CONFIGURATION
--echo #########################################################################
--let $engine_type= Innodb
SET @commands= 'configure';
--source extra/rpl_tests/rpl_mixing_engines.inc
--echo #########################################################################
--echo # 1 - BINLOG ORDER
--echo #########################################################################
connection master;
--echo
--echo
--echo
--echo
--echo #
--echo #3) Generates in the binlog what follows:
--echo # --> STMT "N B T C" entries, format S.
--echo #
SET @commands= 'B T N C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T N-trig C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T N-func C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T N-proc C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N-trig C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N-func C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N-proc C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N-trig C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N-func C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N-proc C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N-trig C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N-func C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N-proc C';
--source extra/rpl_tests/rpl_mixing_engines.inc
--echo
--echo
--echo
--echo
--echo #
--echo #3.e) Generates in the binlog what follows if T-* fails:
--echo # --> STMT "N" entry, format S.
--echo # Otherwise, what follows if N-* fails and a N-Table is changed:
--echo # --> STMT "N B T C" entries, format S.
--echo #
SET @commands= 'B eT N C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B Te N C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T eN C';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T Ne C';
--source extra/rpl_tests/rpl_mixing_engines.inc
--echo
--echo
--echo
--echo
--echo #
--echo #4) Generates in the binlog what follows:
--echo # --> STMT "N B T R" entries, format S.
--echo #
SET @commands= 'B T N R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T N-trig R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T N-func R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T N-proc R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N-trig R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N-func R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-trig N-proc R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N-trig R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N-func R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-func N-proc R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N-trig R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N-func R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T-proc N-proc R';
--source extra/rpl_tests/rpl_mixing_engines.inc
--echo
--echo
--echo
--echo
--echo #
--echo #4.e) Generates in the binlog what follows if T* fails:
--echo # --> STMT "B N C" entry, format S.
--echo # Otherwise, what follows if N* fails and a N-Table is changed:
--echo # --> STMT "N" entries, format S.
--echo #
SET @commands= 'B eT N R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B Te N R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T eN R';
--source extra/rpl_tests/rpl_mixing_engines.inc
SET @commands= 'B T Ne R';
--source extra/rpl_tests/rpl_mixing_engines.inc
--echo ###################################################################################
--echo # CHECK CONSISTENCY
--echo ###################################################################################
connection master;
sync_slave_with_master;
--exec $MYSQL_DUMP --compact --order-by-primary --skip-extended-insert --no-create-info test > $MYSQLTEST_VARDIR/tmp/test-nmt-master.sql
--exec $MYSQL_DUMP_SLAVE --compact --order-by-primary --skip-extended-insert --no-create-info test > $MYSQLTEST_VARDIR/tmp/test-nmt-slave.sql
--diff_files $MYSQLTEST_VARDIR/tmp/test-nmt-master.sql $MYSQLTEST_VARDIR/tmp/test-nmt-slave.sql
--echo ###################################################################################
--echo # CLEAN
--echo ###################################################################################
SET @commands= 'clean';
--source extra/rpl_tests/rpl_mixing_engines.inc
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