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0697ee265f
Keep track of how many pending XIDs (transactions that are prepared in storage engine and written into binlog, but not yet durably committed on disk in the engine) there are in each binlog. When the count of one binlog drops to zero, write a new binlog checkpoint event, telling which is the oldest binlog with pending XIDs. When doing XA recovery after a crash, check the last binlog checkpoint event, and scan all binlog files from that point onwards for XIDs that must be committed if found in prepared state inside engine. Remove the code in binlog rotation that waits for all prepared XIDs to be committed before writing a new binlog file (this is no longer necessary when recovery can scan multiple binlog files).
32 lines
608 B
Text
32 lines
608 B
Text
--source include/have_innodb.inc
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--source include/have_log_bin.inc
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CREATE TABLE t1 (a INT PRIMARY KEY) ENGINE=InnoDB;
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# Fix binlog format (otherwise SHOW BINLOG EVENTS will fluctuate).
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SET binlog_format= mixed;
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RESET MASTER;
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XA START 'xatest';
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INSERT INTO t1 VALUES (1);
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XA END 'xatest';
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XA PREPARE 'xatest';
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XA COMMIT 'xatest';
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XA START 'xatest';
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INSERT INTO t1 VALUES (2);
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XA END 'xatest';
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XA COMMIT 'xatest' ONE PHASE;
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BEGIN;
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INSERT INTO t1 VALUES (3);
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COMMIT;
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SELECT * FROM t1 ORDER BY a;
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--replace_column 2 # 5 #
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--replace_regex /xid=[0-9]+/xid=XX/
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SHOW BINLOG EVENTS LIMIT 2,9;
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DROP TABLE t1;
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