> On Mar 12, 2019, at 9:45 AM, Paul Ramsey <pram...@cleverelephant.ca> wrote: > > > >> On Mar 12, 2019, at 9:13 AM, Andres Freund <and...@anarazel.de> wrote: >> >> On 2019-03-12 14:42:14 +0900, Michael Paquier wrote: >>> On Mon, Mar 11, 2019 at 08:38:56PM +0000, Regina Obe wrote: >>>> I tested on windows mingw64 (as of a week ago) and confirmed the >>>> patch applies cleanly and significantly faster for left, substr >>>> tests than head. >>> >>> int32 >>> pglz_decompress(const char *source, int32 slen, char *dest, >>> - int32 rawsize) >>> + int32 rawsize, bool is_slice) >> >>> The performance improvements are nice, but breaking a published API is >>> less nice particularly since some work has been done to make pglz more >>> plugabble (see 60838df9, guess how wrote that). >> >> I don't think that should stop us from breaking the API. You've got to >> do quite low level stuff to need pglz directly, in which case such an >> API change should be the least of your problems between major versions. > > I was going to say that the function is only used twice in the code base, but > I see it’s now used four times. So maybe leave the old signature in place and > add the new one for my purposes after all. Though with only four internal > calls, I am guessing Michael is more concerned about external users than with > internal ones?
So… - two signatures? - old signature but reduced error checking? - elephant? P