mirror of
https://github.com/MariaDB/server.git
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124 lines
3.3 KiB
Plaintext
124 lines
3.3 KiB
Plaintext
--source include/have_innodb.inc
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--source include/have_log_bin.inc
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--source include/have_binlog_format_mixed_or_statement.inc
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--source include/binlog_start_pos.inc
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RESET MASTER;
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# Test that we get the correct binlog position from START TRANSACTION WITH
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# CONSISTENT SNAPSHOT even when other transactions are active.
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connect(con1,localhost,root,,);
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connect(con2,localhost,root,,);
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connect(con3,localhost,root,,);
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connect(con4,localhost,root,,);
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connection default;
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CREATE TABLE t1 (a INT, b VARCHAR(100), PRIMARY KEY (a,b)) ENGINE=innodb;
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let pos=`select $binlog_start_pos + 254`;
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--replace_result $pos <pos>
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SHOW MASTER STATUS;
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--replace_result $pos <pos>
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SHOW STATUS LIKE 'binlog_snapshot_%';
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BEGIN;
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INSERT INTO t1 VALUES (0, "");
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connection con1;
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BEGIN;
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INSERT INTO t1 VALUES (1, "");
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connection con2;
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CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=myisam;
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BEGIN;
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INSERT INTO t1 VALUES (2, "first");
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INSERT INTO t2 VALUES (2);
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INSERT INTO t1 VALUES (2, "second");
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connection default;
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COMMIT;
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SET TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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START TRANSACTION WITH CONSISTENT SNAPSHOT;
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connection con3;
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BEGIN;
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INSERT INTO t1 VALUES (3, "");
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INSERT INTO t2 VALUES (3);
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connection con4;
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BEGIN;
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INSERT INTO t1 VALUES (4, "");
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COMMIT;
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connection default;
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SELECT * FROM t1 ORDER BY a,b;
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let pos=`select $binlog_start_pos + 788`;
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--replace_result $pos <pos>
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SHOW STATUS LIKE 'binlog_snapshot_%';
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let pos=`select $binlog_start_pos + 1164`;
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--replace_result $pos <pos>
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SHOW MASTER STATUS;
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SELECT * FROM t2 ORDER BY a;
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connection con1;
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COMMIT;
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connection con2;
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COMMIT;
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connection con3;
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COMMIT;
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FLUSH LOGS;
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--source include/wait_for_binlog_checkpoint.inc
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connection default;
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SELECT * FROM t1 ORDER BY a,b;
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let pos=`select $binlog_start_pos + 788`;
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--replace_result $pos <pos>
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SHOW STATUS LIKE 'binlog_snapshot_%';
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let pos=`select $binlog_start_pos + 131`;
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--replace_result $pos <pos>
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SHOW MASTER STATUS;
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COMMIT;
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--replace_result $pos <pos>
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SHOW STATUS LIKE 'binlog_snapshot_%';
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--replace_result $pos <pos>
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SHOW MASTER STATUS;
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source include/show_binlog_events.inc;
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--echo *** MDEV-7310: last_commit_pos_offset set to wrong value after binlog rotate in group commit ***
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SET @old_size= @@GLOBAL.max_binlog_size;
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SET GLOBAL max_binlog_size=4096;
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CREATE TABLE t3 (a INT PRIMARY KEY, b VARBINARY(8192)) ENGINE=MyISAM;
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INSERT INTO t3 VALUES (10, '');
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--let $bigdata= `SELECT REPEAT('a', 5000)`
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eval INSERT INTO t3 VALUES (11, '$bigdata');
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# The bug was that binlog_snapshot_file pointed to the new file after binlog
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# rotation, but binlog_snapshot_position was the offset in the old file before
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# binlog rotation. So the position was invalid.
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# So here, we check that the values are consistent with SHOW MASTER STATUS,
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# which uses a different code path and did not have the bug.
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--source include/wait_for_binlog_checkpoint.inc
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--let $snap_file= query_get_value(SHOW STATUS LIKE 'binlog_snapshot_file', Value, 1)
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--let $snap_pos= query_get_value(SHOW STATUS LIKE 'binlog_snapshot_position', Value, 1)
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--let $master_file= query_get_value(SHOW MASTER STATUS, File, 1)
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--let $master_pos= query_get_value(SHOW MASTER STATUS, Position, 1)
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--disable_query_log
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eval SET @errmsg= 'ERROR: ($snap_file, $snap_pos) != ($master_file, $master_pos)';
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eval SELECT IF('$snap_file' = '$master_file' AND $snap_pos = $master_pos, 'OK', @errmsg) AS test_result;
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--enable_query_log
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SET GLOBAL max_binlog_size=@old_size;
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DROP TABLE t1,t2, t3;
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