After PageSetAllVisible, use MarkBufferDirty.
Robert Haas <rhaas@postgresql.org>
After PageSetAllVisible, use MarkBufferDirty. Previously, we used SetBufferCommitInfoNeedsSave, but that's really intended for dirty-marks we can theoretically afford to lose, such as hint bits. As for 9.2, the PD_ALL_VISIBLE mustn't be lost in this way, since we could then end up with a heap page that isn't all-visible and a visibility map page that is all visible, causing index-only scans to return wrong answers.
Files
| Path | Change | +/− |
|---|---|---|
| src/backend/commands/vacuumlazy.c | modified | +2 −2 |