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IB, SQL: (0.4) COMMIT_ID-based ordering of transactions

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IB:
* removed CONCURR_TRX from VTQ;
* new fields in VTQ: COMMIT_ID, ISO_LEVEL.

SQL:
* renamed BEGIN_TS, COMMIT_TS to VTQ_BEGIN_TS, VTQ_COMMIT_TS;
* new functions: VTQ_COMMIT_ID, VTQ_ISO_LEVEL, VTQ_TRX_ID, VTQ_TRX_SEES, VTQ_TRX_SEES_EQ;
* versioned SELECT for IB uses VTQ_TRX_SEES, VTQ_TRX_SEES_EQ.

Closes #71
This commit is contained in:
Aleksey Midenkov
2016-11-14 06:14:28 +00:00
parent 07cc46acea
commit d54d36c45e
35 changed files with 1247 additions and 352 deletions
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6
mysql-test/suite/versioning/common.inc
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@@ -10,9 +10,9 @@ begin
select
@i:= @i + 1 as No,
trx_id > 0 as A,
begin_ts > '1-1-1 0:0:0' as B,
commit_ts > begin_ts as C,
concurr_trx is null as D
commit_id >= trx_id as B,
begin_ts > '1-1-1 0:0:0' as C,
commit_ts > begin_ts as D
from information_schema.innodb_vtq
where trx_id > @start_trx_id;
select ifnull(max(trx_id), 0)