On Wed, Apr 1, 2020 at 6:59 PM Andres Freund <and...@anarazel.de> wrote:
> index fetches will never even try to > detect that tuples it needs actually have already been pruned away. > I looked at this flavor of problem today and from what I saw: (1) This has been a problem all the way back to 9.6.0. (2) The behavior is correct if the index creation is skipped or if enable_indexscan is turned off in the transaction, confirming Andres' analysis. (3) Pruning seems to happen as intended; the bug found by Peter seems to be entirely about failing to TestForOldSnapshot() where needed. -- Kevin Grittner VMware vCenter Server https://www.vmware.com/
