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MDEV-15001 no tests for system_versioning_innodb_algorithm_simple

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Vers SQL: TRT fix getting TRX_ID by COMMIT_TS

Fixed wrong assumption that records are ordered by COMMIT_TS.
This is anyway a quick hack until tempesta-tech#314 is done.

See also FIXME and TODO in TR_table::query(MYSQL_TIME, bool).

Test: SEES case for trx_id.test [closes #456]
This commit is contained in:
Aleksey Midenkov
2018-01-22 17:10:19 +03:00
committed by Sergei Golubchik
parent e36c5ec0a5
commit 75afaa7e00
5 changed files with 184 additions and 21 deletions
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10
mysql-test/suite/versioning/r/commit_id.result
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@@ -57,10 +57,12 @@ not vtq_trx_sees(@tx0, @tx1) as B,
vtq_trx_sees_eq(@tx1, @tx1) as C,
not vtq_trx_sees(@tx1, @tx1) as D,
vtq_trx_sees(@tx2, 0) as E,
vtq_trx_sees(0, @tx2) is null as F,
vtq_trx_sees(-1, @tx2) as H;
A B C D E F H
1 1 1 1 1 1 1
vtq_trx_sees(-1, @tx2) as F;
A B C D E F
1 1 1 1 1 1
select vtq_trx_sees(0, @tx2);
vtq_trx_sees(0, @tx2)
NULL
set transaction isolation level read uncommitted;
insert into t1 values ();
select sys_trx_start from t1 where id = last_insert_id() into @tx3;