David Rowley <[email protected]> 于2026年3月24日周二 08:12写道： > > On Mon, 23 Mar 2026 at 19:30, Tender Wang <[email protected]> wrote: > > Recently, I encountered an error: could not find memoization table > > > The hkeys returned by datum_image_hash() are different, so we can't > > find the entry in the hash table. > > > > In the datum_image_hash(), if typByVal is true, calling > > result = hash_bytes((unsigned char *) &value, sizeof(Datum)); > > > > I think we should use typLen here, not sizeof(Datum). > > I tried this way and didn't encounter any errors again. > > The Datum values should be the same. You can't just compare the lowest > attlen bytes of a Datum.
Thanks for pointing this out. Actually, I haven't quite figured out why `typLen` cannot be used here. > > It looks to me like the bug is in hash_numeric(). Seems like it has no > idea what type it's meant to return. hash_numeric_extended() doesn't > seem to be much better. > > Do you still get the ERROR after patching with the attached? No error anymore with your patch. -- Thanks, Tender Wang
