Movatterモバイル変換


[0]ホーム

URL:


Skip to content

Navigation Menu

Sign in
Appearance settings

Search code, repositories, users, issues, pull requests...

Provide feedback

We read every piece of feedback, and take your input very seriously.

Saved searches

Use saved searches to filter your results more quickly

Sign up
Appearance settings

Commit867540b

Browse files
Ensure backwards compatibility for GetStableLatestTransactionId()
1 parentafe86a9 commit867540b

File tree

1 file changed

+8
-6
lines changed
  • src/backend/access/transam

1 file changed

+8
-6
lines changed

‎src/backend/access/transam/xact.c

Lines changed: 8 additions & 6 deletions
Original file line numberDiff line numberDiff line change
@@ -390,11 +390,10 @@ GetCurrentTransactionIdIfAny(void)
390390
returnCurrentTransactionState->transactionId;
391391
}
392392

393-
394393
/*
395-
*GetStableLatestTransactionIdIfAny
394+
*GetStableLatestTransactionId
396395
*
397-
* Get thelatestXID once and then return same value for rest of transaction.
396+
* Get the XID once and then return same value for rest of transaction.
398397
* Acts as a useful reference point for maintenance tasks.
399398
*/
400399
TransactionId
@@ -403,13 +402,16 @@ GetStableLatestTransactionId(void)
403402
staticLocalTransactionIdlxid=InvalidLocalTransactionId;
404403
staticTransactionIdstablexid=InvalidTransactionId;
405404

406-
if (lxid!=MyProc->lxid||
407-
!TransactionIdIsValid(stablexid))
405+
if (lxid!=MyProc->lxid)
408406
{
409407
lxid=MyProc->lxid;
410-
stablexid=ReadNewTransactionId();
408+
stablexid=GetTopTransactionIdIfAny();
409+
if (!TransactionIdIsValid(stablexid))
410+
stablexid=ReadNewTransactionId();
411411
}
412412

413+
Assert(TransactionIdIsValid(stablexid));
414+
413415
returnstablexid;
414416
}
415417

0 commit comments

Comments
 (0)

[8]ページ先頭

©2009-2025 Movatter.jp