Re: Compressed TOAST Slicing - Mailing list pgsql-hackers

From Stephen Frost
Subject Re: Compressed TOAST Slicing
Date
Msg-id 20190318055214.GE6197@tamriel.snowman.net
Whole thread Raw
In response to Re: Compressed TOAST Slicing  (Andres Freund <andres@anarazel.de>)
Responses Re: Compressed TOAST Slicing
List pgsql-hackers
Greetings,

* Andres Freund (andres@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.

Agreed, this is across a major version and I don't think it's an issue
to break the API.

Thanks!

Stephen

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