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Improve comments referring snapshot's subxip array. 

It was referred to as subxact array in a few places and subxip array in
others. By changing it to subxip array, we make it consistent with similar
references to xip array.

Author: Japin Li
Reviewd by: Julien Rouhaud, Richard Guo
Discussion: https://postgr.es/m/MEYP282MB1669DCE7AC193A947CED2A95B6009@MEYP282MB1669.AUSP282.PROD.OUTLOOK.COM
This commit is contained in:
Amit Kapila 2022-11-15 09:37:19 +05:30
parent e848be60b5
commit 8b5262fa0e
2 changed files with 2 additions and 2 deletions
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2
src/backend/storage/ipc/procarray.c
View File

@ -2409,7 +2409,7 @@ GetSnapshotData(Snapshot snapshot)
* We could try to store xids into xip[] first and then into subxip[]
* if there are too many xids. That only works if the snapshot doesn't
* overflow because we do not search subxip[] in that case. A simpler
* way is to just store all xids in the subxact array because this is
* way is to just store all xids in the subxip array because this is
* by far the bigger array. We just leave the xip array empty.
*
* Either way we need to change the way XidInMVCCSnapshot() works

2
src/backend/utils/time/snapmgr.c
View File

@ -2345,7 +2345,7 @@ XidInMVCCSnapshot(TransactionId xid, Snapshot snapshot)
else
{
/*
* In recovery we store all xids in the subxact array because it is by
* In recovery we store all xids in the subxip array because it is by
* far the bigger array, and we mostly don't know which xids are
* top-level and which are subxacts. The xip array is empty.
*