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Occasionally, after restart, additional transactions will have been executed, possibly related to innodb_stats_auto_recalc. We should only care that the transaction ID sequence does not go backwards.
60 lines
1.9 KiB
Plaintext
60 lines
1.9 KiB
Plaintext
--source include/have_innodb.inc
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--source include/innodb_page_size.inc
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--source include/have_undo_tablespaces.inc
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--source include/not_embedded.inc
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--source include/have_sequence.inc
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SET @save_undo_logs = @@GLOBAL.innodb_undo_logs;
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SET @save_frequency = @@GLOBAL.innodb_purge_rseg_truncate_frequency;
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SET @save_truncate = @@GLOBAL.innodb_undo_log_truncate;
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SET GLOBAL innodb_undo_log_truncate = 0;
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SET GLOBAL innodb_purge_rseg_truncate_frequency = 1;
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#-----------------------------------------------------------------------------
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#
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# Perform DML action using multiple clients and multiple undo tablespace.
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#
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#
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create table t1(keyc int primary key, c char(100)) engine = innodb;
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create table t2(keyc int primary key, c char(100)) engine = innodb;
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#
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let DATADIR = `select @@datadir`;
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connect (con1,localhost,root,,);
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begin;
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send insert into t1 select seq,'a' from seq_1_to_20000;
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connect (con2,localhost,root,,);
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begin;
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send insert into t2 select seq,'a' from seq_1_to_20000;
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connection con1; reap; send update t1 set c = 'mysql';
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connection con2; reap; send update t2 set c = 'mysql';
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connection con1; reap; send update t1 set c = 'oracle';
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connection con2; reap; send update t2 set c = 'oracle';
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connection con1; reap; send delete from t1;
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connection con2; reap; delete from t2;
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connection con1; reap;
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SET GLOBAL innodb_undo_log_truncate = 1;
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commit; disconnect con1;
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connection con2; commit; disconnect con2;
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connection default;
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--replace_regex /.*Trx id counter ([0-9]+).*/\1/
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let $trx_before= `SHOW ENGINE INNODB STATUS`;
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let $trx_before= `select substr('$trx_before',9)+2`;
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set global innodb_fast_shutdown=0;
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--source include/restart_mysqld.inc
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--replace_regex /.*Trx id counter ([0-9]+).*/\1/
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let $trx_after= `SHOW ENGINE INNODB STATUS`;
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let $trx_after= `select substr('$trx_after',9)`;
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drop table t1, t2;
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if ($trx_before > $trx_after)
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{
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echo Transaction sequence mismatch: $trx_before > $trx_after;
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}
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