On Wed, Sep 20, 2017 at 4:25 PM, Tom Lane <t...@sss.pgh.pa.us> wrote:
> Andrey Borodin <x4...@yandex-team.ru> writes: > > You mentioned that probably there cannot be TOASTed values in the index. > > I need to settle this question in more deterministic way. > > Can you point where to look at the code or who to ask: > > Can there be TOASTed values in index tuples? > > Yes. We don't allow out-of-line values, but we do allow compressed and > short-header values. > > If you don't believe me, look at index_form_tuple(). > OK. So GiST opclass should either implement decompress method with detoasting or detoast every input key in all other methods. BTW, this comment looks still invalid for me... > #define SIGLENINT 4 /* >122 => key will *toast*, so very slow!!! */ ------ Alexander Korotkov Postgres Professional: http://www.postgrespro.com The Russian Postgres Company
