>> After giving it some thought, ISTM that there could also be a >> performance improvement with copy freeze from older version, so I'd >> suggest to add it after 9.3 where the option was added, i.e. 90300. > > You misunderstand about COPY FREEZE. Pre-13 COPY FREEZE does not
Oops. I meant Pre-14, not pre-13. > contribute a performance improvement. See discussions for more details. > https://www.postgresql.org/message-id/camku%3d1w3osjj2fneelhhnrlxfzitdgp9fphee08nt2fqfmz...@mail.gmail.com > https://www.postgresql.org/message-id/flat/CABOikdN-ptGv0mZntrK2Q8OtfUuAjqaYMGmkdU1dCKFtUxVLrg%40mail.gmail.com > >> Also, I do not think it is worth to fail on a 0 pqserverversion, just >> keep the number and consider it a very old version? > > If pqserverversion fails, then following PQ calls are likely fail > too. What's a benefit to continue after pqserverversion returns 0? > >> Question: should there be a word about copy using the freeze option? >> I'd say yes, in the section describing "g". > > Can you elaborate about "section describing "g"? I am not sure what > you mean. > > Best regards, > -- > Tatsuo Ishii > SRA OSS, Inc. Japan > English: http://www.sraoss.co.jp/index_en.php > Japanese:http://www.sraoss.co.jp > >
