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ndb_binlog_variants.test
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######################################################## # Test binlog variants produced by Ndb # # 1) Updates logged as write_row events # Only primary key and updated columns included in the # event # 2) Updates logged as write_row_events # All columns included in the event # 3) Updates logged as update_row events # Only primary key and updated columns included in the # event # 4) Updates logged as update_row events # All columns included in the event # # Format variant (1) is the Ndb default. # # We use mysqlbinlog --verbose to check that the # generated binlog contents are as expected. # ######################################################## -- source include/have_ndb.inc -- source include/have_binlog_format_row.inc # Setup connections connect(mysqld1,127.0.0.1,root,,test,$MASTER_MYPORT); connect(mysqld2,127.0.0.1,root,,test,$MASTER_MYPORT1); connect(mysqld3,127.0.0.1,root,,test,$MASTER_MYPORT2); connect(mysqld4,127.0.0.1,root,,test,$MASTER_MYPORT3); connection mysqld1; # Create the table we're going to use create table ba(ks int primary key, st int, lp int) engine = ndb; # Wait for each mysqld to startup binlogging --let $source_server=mysqld1 --let $dest_server=mysqld2 source suite/ndb_rpl/t/wait_schema_logging.inc; --let $source_server=mysqld1 --let $dest_server=mysqld3 source suite/ndb_rpl/t/wait_schema_logging.inc; --let $source_server=mysqld1 --let $dest_server=mysqld4 source suite/ndb_rpl/t/wait_schema_logging.inc; --disable_query_log connection mysqld1; reset master; connection mysqld2; reset master; connection mysqld3; reset master; connection mysqld4; reset master; --enable_query_log connection mysqld1; # Now make the inserts and update insert into ba values (1, 1, 1), (2,2,2), (3,3,3), (4,4,4); update ba set lp=40 where ks=4; # Update does not affect all columns delete from ba where ks=2; # Also a delete for fun --disable_query_log # Add an event-stream marker create table stream_marker(a int) engine=ndb; drop table stream_marker; --let $wait_binlog_event=stream_marker --enable_query_log # Now let's trim the Binlogs on each server connection mysqld1; --source include/wait_for_binlog_event.inc flush logs; connection mysqld2; --source include/wait_for_binlog_event.inc flush logs; connection mysqld3; --source include/wait_for_binlog_event.inc flush logs; connection mysqld4; --source include/wait_for_binlog_event.inc flush logs; # Empty the table delete from ba; # Now let's examine the contents of the first binlog # on each server # We'll also apply the Binlog and check that the # table contents are as expected in each case. # As each server is recording in a new binlog, the # new updates will go there. connection mysqld1; show variables like 'ndb_log_update%'; --source suite/ndb_binlog/t/ndb_binlog_get_binlog_stmts.inc --disable_query_log let $MYSQLD_DATADIR= `select @@datadir;`; --exec $MYSQL_BINLOG $MYSQLD_DATADIR/mysqld-bin.000001 > $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --exec $MYSQL -uroot < $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --enable_query_log select * from ba order by ks; delete from ba; connection mysqld2; show variables like 'ndb_log_update%'; --source suite/ndb_binlog/t/ndb_binlog_get_binlog_stmts.inc --disable_query_log let $MYSQLD_DATADIR= `select @@datadir;`; --exec $MYSQL_BINLOG $MYSQLD_DATADIR/mysqld-bin.000001 > $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --exec $MYSQL -uroot < $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --enable_query_log select * from ba order by ks; delete from ba; connection mysqld3; show variables like 'ndb_log_update%'; --source suite/ndb_binlog/t/ndb_binlog_get_binlog_stmts.inc --disable_query_log let $MYSQLD_DATADIR= `select @@datadir;`; --exec $MYSQL_BINLOG $MYSQLD_DATADIR/mysqld-bin.000001 > $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --exec $MYSQL -uroot < $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --enable_query_log select * from ba order by ks; delete from ba; connection mysqld4; show variables like 'ndb_log_update%'; --source suite/ndb_binlog/t/ndb_binlog_get_binlog_stmts.inc --disable_query_log let $MYSQLD_DATADIR= `select @@datadir;`; --exec $MYSQL_BINLOG $MYSQLD_DATADIR/mysqld-bin.000001 > $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --exec $MYSQL -uroot < $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --enable_query_log select * from ba order by ks; drop table ba; --disable_query_log flush logs; --enable_query_log # Bug#46662 # Replicating changes to tables with unique indexes # The fix to bug#27378 results in the slave using NdbApi's write() # mechanism when applying WRITE_ROW events to tables with unique # indices. # # If this is not done then the slave attempts to partially use SQL # REPLACE semantics when applying WRITE_ROW events to tables with # unique indexes, which is not good and the slave fails with a # duplicate key error on the primary key. # # The fix to Bug#46662 aims to correct this, so that replicated # updates to tables with unique indices can work. # Note that other issues with replicating into tables with unique # indexes remain. # connection mysqld1; reset master; show variables like 'ndb_log_update%'; create table bah (tst int primary key, cvy int, sqs int, unique(sqs)) engine=ndb; insert into bah values (1,1,1); # Wait for epoch to complete in Binlog --disable_query_log create table dummy (a int primary key) engine=ndb; --enable_query_log # Now perform update # This will be logged as WRITE # Without ability to use NdbApi write() for replace, mysqlbinlog # application will fail with duplicate key error on insert. update bah set cvy= 2 where tst=1; select * from bah order by tst; # Wait for epoch to complete in Binlog --disable_query_log drop table dummy; flush logs; --enable_query_log drop table bah; # Now let's re-apply the binlog # Without fix, this fails with duplicate PK error --echo Manually applying captured binlog --disable_query_log let $MYSQLD_DATADIR= `select @@datadir;`; --exec $MYSQL_BINLOG $MYSQLD_DATADIR/mysqld-bin.000001 > $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --exec $MYSQL -uroot < $MYSQLTEST_VARDIR/tmp/ndb_binlog_mysqlbinlog.sql --enable_query_log select * from bah order by tst; drop table bah;