# The include statement below is a temp one for tests that are yet to #be ported to run with InnoDB, #but needs to be kept for tests that would need MyISAM in future. --source include/force_myisam_default.inc # mysqlbinlog_big.test # # Show that mysqlbinlog can handle big rows. # # # The *huge* output of mysqlbinlog will be redirected to # $MYSQLTEST_VARDIR/$mysqlbinlog_output # --let $mysqlbinlog_output= tmp/mysqlbinlog_big_1.out #--source include/force_myisam_default.inc --let $engine_type= MyISAM # # This test case is insensitive to the binlog format # because we don't display the output of mysqlbinlog. # #--source include/have_binlog_format_row.inc --source include/have_log_bin.inc # This is a big test. --source include/big_test.inc --echo # --echo # Preparatory cleanup. --echo # --disable_warnings DROP TABLE IF EXISTS t1; --enable_warnings --echo # --echo # We need a fixed timestamp to avoid varying results. --echo # SET timestamp=1000000000; --echo # --echo # We need big packets. --echo # --echo # Capture initial value to reset at the end of the test # use let $ = query_get_value as FLUSH statements # in the test will set @ values to NULL let $orig_max_allowed_packet = query_get_value(SELECT @@global.max_allowed_packet, @@global.max_allowed_packet, 1); --echo # Now adjust max_allowed_packet SET @@global.max_allowed_packet= 1024*1024*1024; --echo max_allowed_packet is a global variable. --echo In order for the preceding change in max_allowed_packets' value --echo to be seen and used, we must start a new connection. --echo The change does not take effect with the current one. --echo For simplicity, we just disconnect / reconnect connection default here. --echo Disconnecting default connection... disconnect default; --echo Reconnecting default connection... connect (default, localhost,root,,); --echo default connection established, continuing with the test --echo # --echo # Delete all existing binary logs. --echo # RESET MASTER; --echo # --echo # Create a test table. --echo # eval CREATE TABLE t1 ( c1 LONGTEXT ) ENGINE=$engine_type DEFAULT CHARSET latin1; --echo # --echo # Show how many rows are affected by each statement. --echo # --enable_info --echo # --echo # Insert some big rows. --echo # --echo 64MB INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 4194304)); --echo 32MB INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 2097152)); --echo 4MB INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 262144)); --echo 512KB INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 32768)); --echo # --echo # Show what we have in the table. --echo # Do not display the column value itself, just its length. --echo # --sorted_result query_vertical SELECT LENGTH(c1) FROM t1; --echo # --echo # Grow the rows by updating. --echo # UPDATE t1 SET c1 = CONCAT(c1, c1); --echo # --echo # Show what we have in the table. --echo # Do not display the column value itself, just its length. --echo # --sorted_result query_vertical SELECT LENGTH(c1) FROM t1; --echo # --echo # Delete the rows. --echo # DELETE FROM t1 WHERE c1 >= 'ManyMegaByteBlck'; --echo # --echo # Hide how many rows are affected by each statement. --echo # --disable_info --echo # --echo # Flush all log buffers to the log file. --echo # FLUSH LOGS; --echo # --echo # Call mysqlbinlog to display the log file contents. --echo # NOTE: The output of mysqlbinlog is redirected to --echo # \$MYSQLTEST_VARDIR/$mysqlbinlog_output --echo # If you want to examine it, disable remove_file --echo # at the bottom of the test script. --echo # let $MYSQLD_DATADIR= `select @@datadir`; --replace_result $MYSQLTEST_VARDIR --replace_regex /SQL_LOAD_MB-[0-9]-[0-9]/SQL_LOAD_MB-#-#/ /exec_time=[0-9]*/exec_time=#/ /end_log_pos [0-9]*/end_log_pos #/ /# at [0-9]*/# at #/ /Xid = [0-9]*/Xid = #/ --exec $MYSQL_BINLOG -v -v $MYSQLD_DATADIR/master-bin.000001 > $MYSQLTEST_VARDIR/$mysqlbinlog_output --echo # --echo # Cleanup. --echo # --echo # reset variable value to pass testcase checks eval SET @@global.max_allowed_packet = $orig_max_allowed_packet; DROP TABLE t1; --echo remove_file \$MYSQLTEST_VARDIR/$mysqlbinlog_output # # NOTE: If you want to see the *huge* mysqlbinlog output, disable next line: # --remove_file $MYSQLTEST_VARDIR/$mysqlbinlog_output