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