On May 23, 2025, at 13:52, Tom Lane <t...@sss.pgh.pa.us> wrote: >> I assume you mean that they’re set at initdb time, so there’s no mutability >> concern? > > Yeah, I think Peter's right and I'm wrong. Obviously this ties into > our philosophical debate about how immutable is immutable. But as > long as the functions only depend on locale settings that are fixed > at database creation, I think it's okay to consider them immutable. > > If you were, say, depending on LC_NUMERIC, it would clearly be unsafe > to consider that immutable, so I'm not quite sure if this is the end > of the discussion. But for what's mentioned in the thread title, > I think we only care about LC_CTYPE.
Oh, so maybe all this is moot, and Florents can go ahead and add support for the functions to the non-_tz functions? Should there be some sort of inventory of what functions can be used in what contexts? D
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