diff options
Diffstat (limited to 'src/backend/storage/ipc/procarray.c')
| -rw-r--r-- | src/backend/storage/ipc/procarray.c | 36 |
1 files changed, 4 insertions, 32 deletions
diff --git a/src/backend/storage/ipc/procarray.c b/src/backend/storage/ipc/procarray.c index 2a3da49b8fc..aa1552e0316 100644 --- a/src/backend/storage/ipc/procarray.c +++ b/src/backend/storage/ipc/procarray.c @@ -2067,34 +2067,6 @@ GetMaxSnapshotSubxidCount(void) } /* - * Initialize old_snapshot_threshold specific parts of a newly build snapshot. - */ -static void -GetSnapshotDataInitOldSnapshot(Snapshot snapshot) -{ - if (!OldSnapshotThresholdActive()) - { - /* - * If not using "snapshot too old" feature, fill related fields with - * dummy values that don't require any locking. - */ - snapshot->lsn = InvalidXLogRecPtr; - snapshot->whenTaken = 0; - } - else - { - /* - * Capture the current time and WAL stream location in case this - * snapshot becomes old enough to need to fall back on the special - * "old snapshot" logic. - */ - snapshot->lsn = GetXLogInsertRecPtr(); - snapshot->whenTaken = GetSnapshotCurrentTimestamp(); - MaintainOldSnapshotTimeMapping(snapshot->whenTaken, snapshot->xmin); - } -} - -/* * Helper function for GetSnapshotData() that checks if the bulk of the * visibility information in the snapshot is still valid. If so, it updates * the fields that need to change and returns true. Otherwise it returns @@ -2147,8 +2119,8 @@ GetSnapshotDataReuse(Snapshot snapshot) snapshot->active_count = 0; snapshot->regd_count = 0; snapshot->copied = false; - - GetSnapshotDataInitOldSnapshot(snapshot); + snapshot->lsn = InvalidXLogRecPtr; + snapshot->whenTaken = 0; return true; } @@ -2529,8 +2501,8 @@ GetSnapshotData(Snapshot snapshot) snapshot->active_count = 0; snapshot->regd_count = 0; snapshot->copied = false; - - GetSnapshotDataInitOldSnapshot(snapshot); + snapshot->lsn = InvalidXLogRecPtr; + snapshot->whenTaken = 0; return snapshot; } |