rdelaage
/
postgresql
mirror of https://git.postgresql.org/git/postgresql.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Remove poorly worded and duplicated comment 

Move line of code to avoid need for duplicated comment

Brought to attention by Masahiko Sawada
This commit is contained in:
Simon Riggs 2017-05-08 08:49:28 +01:00
parent 27dae036a5
commit 1f30295eab
1 changed files with 3 additions and 8 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
src/backend/utils/time/snapmgr.c
View File

@ -2039,14 +2039,6 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)
serialized_snapshot.whenTaken = snapshot->whenTaken;
serialized_snapshot.lsn = snapshot->lsn;
/*
* Ignore the SubXID array if it has overflowed, unless the snapshot was
* taken during recovey - in that case, top-level XIDs are in subxip as
* well, and we mustn't lose them.
*/
if (serialized_snapshot.suboverflowed && !snapshot->takenDuringRecovery)
serialized_snapshot.subxcnt = 0;
/* Copy struct to possibly-unaligned buffer */
memcpy(start_address,
&serialized_snapshot, sizeof(SerializedSnapshotData));
@ -2063,6 +2055,9 @@ SerializeSnapshot(Snapshot snapshot, char *start_address)
* snapshot taken during recovery; all the top-level XIDs are in subxip as
* well in that case, so we mustn't lose them.
*/
if (serialized_snapshot.suboverflowed && !snapshot->takenDuringRecovery)
serialized_snapshot.subxcnt = 0;
if (serialized_snapshot.subxcnt > 0)
{
Size subxipoff = sizeof(SerializedSnapshotData) +