On Thu, Nov 02, 2023 at 02:32:07PM +1100, Peter Smith wrote: > On Thu, Nov 2, 2023 at 2:25 PM Peter Smith <smithpb2...@gmail.com> wrote: >> Checking this patch yesterday prompted me to create a new thread >> questioning the inconsistencies of the "GUC names in messages". In >> that thread, Tom Lane replied and gave some background information [1] >> about the GUC name embedding versus substitution. In hindsight, I >> think your original message was fine as-is, but there seem to be >> examples of every kind of style, so whatever you do would have some >> precedent. >> >> The patch v4 LGTM. > > To clarify, all the current code LGTM, but the patch is still missing > a guc_hook test case, right?
- NULL, NULL, NULL + check_max_slot_wal_keep_size, NULL, NULL FWIW, I am +-0 with what you are proposing here. I don't quite get why one may want to enforce this specific GUC at upgrade. Anyway, if they do, I'd be curious to hear why this is required and this patch would prevent them to do so. Actually, this could be a good reason for making the logical slot handling during pg_upgrade an option rather than a mandatory thing. -- Michael
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