Re: jsonb access operators inefficiency

From: Teodor Sigaev <teodor(at)sigaev(dot)ru>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>, obartunov(at)gmail(dot)com
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: jsonb access operators inefficiency
Date: 2014-05-30 17:47:06
Message-ID: 5388C41A.4000109@sigaev.ru
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

> The question is whether the speedup comes from the reduction in lookup
> times or the reduction in string copying. I have a strong suspicion that
> it's mostly the first, not the second.

Agree with about Oleg's test, but some users put huge values into
json... Actually, I don't insist, ITSM, that's easy way to prevent extra
copying.

--
Teodor Sigaev E-mail: teodor(at)sigaev(dot)ru
WWW: http://www.sigaev.ru/

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message Edoardo Panfili 2014-05-30 17:56:09 Re: unable to build postgres-9.4 in os x 10.9 with python
Previous Message Tom Lane 2014-05-30 17:41:56 Re: jsonb access operators inefficiency