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d7c8423a3d
fix MDEV-18750: failed to flashback large-size binlog file fix mysqlbinlog flashback failure caused by reading io_cache without MY_FULL_IO flag fix MDEV-18750: mysqlbinlog flashback failure on large binlog
71 lines
1.8 KiB
Text
71 lines
1.8 KiB
Text
#
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# Preparatory cleanup.
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#
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drop database if exists mysqltest;
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create database mysqltest;
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use mysqltest;
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DROP TABLE IF EXISTS t1;
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#
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# We need a fixed timestamp to avoid varying results.
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#
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SET timestamp=1000000000;
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#
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# We need big packets.
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#
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# Capture initial value to reset at the end of the test
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# Now adjust max_allowed_packet
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SET @@global.max_allowed_packet= 10*1024*1024*1024;
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Warnings:
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Warning 1292 Truncated incorrect max_allowed_packet value: '10737418240'
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max_allowed_packet is a global variable.
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In order for the preceding change in max_allowed_packets' value
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to be seen and used, we must start a new connection.
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The change does not take effect with the current one.
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For simplicity, we just disconnect / reconnect connection default here.
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disconnect default;
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connect default, localhost,root,,;
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#
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# Delete all existing binary logs.
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#
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RESET MASTER;
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#
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# Create a test table.
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#
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use mysqltest;
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CREATE TABLE t1 (
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c1 LONGTEXT
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) DEFAULT CHARSET latin1;
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#
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# Show how many rows are affected by each statement.
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#
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#
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# Insert some big rows.
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#
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insert 1024MB data twice
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INSERT INTO t1 VALUES (REPEAT('ManyMegaByteBlck', 67108864));
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affected rows: 1
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INSERT INTO t1 VALUES (REPEAT('MegaByteBlckMany', 67108864));
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affected rows: 1
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#
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# Flush all log buffers to the log file.
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#
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FLUSH LOGS;
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affected rows: 0
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#
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# Call mysqlbinlog to display the log file contents.
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# NOTE: The output of mysqlbinlog is redirected to
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# $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out
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# If you want to examine it, disable remove_file
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# at the bottom of the test script.
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#
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#
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# Cleanup.
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#
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# reset variable value to pass testcase checks
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SET @@global.max_allowed_packet = 16777216;
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affected rows: 0
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DROP TABLE t1;
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affected rows: 0
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drop database if exists mysqltest;
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affected rows: 0
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remove_file $MYSQLTEST_VARDIR/tmp/mysqlbinlog_big_1.out
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