st 7. 8. 2024 v 22:25 odesílatel Alexander Korotkov <aekorotkov@gmail.com> napsal:
On Wed, Aug 7, 2024 at 1:34 PM Pavel Stehule <pavel.stehule@gmail.com> wrote: > st 7. 8. 2024 v 12:22 odesílatel Alexander Korotkov <aekorotkov@gmail.com> napsal: >> Thank you. >> Please see 40064a8ee1 takes special efforts to match HTAB hash >> function to syscache hash function. By default, their hash values >> don't match and you can't simply use syscache hash value to search >> HTAB. This probably should be mentioned in the header comment of >> hash_seq_init_with_hash_value(). > > > yes, enhancing doc should be great + maybe assert
Please check the patch, which adds a caveat to the function header comment. I don't particularly like an assert here, because there could be use-cases besides syscache callbacks, which could legally use default hash function.
