Re: jsonb and nested hstore

From: Peter Geoghegan <pg(at)heroku(dot)com>
To: Josh Berkus <josh(at)agliodbs(dot)com>
Cc: Andrew Dunstan <andrew(at)dunslane(dot)net>, Christophe Pettus <xof(at)thebuild(dot)com>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Robert Haas <robertmhaas(at)gmail(dot)com>, PostgreSQL-development Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: jsonb and nested hstore
Date: 2014-03-04 01:07:14
Message-ID: CAM3SWZQHvV7ZEa3_g3KaqovwqDKuTP=GqnsvNx=8ikwOywVwsg@mail.gmail.com
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On Mon, Mar 3, 2014 at 4:57 PM, Josh Berkus <josh(at)agliodbs(dot)com> wrote:
> On 03/03/2014 04:50 PM, Peter Geoghegan wrote:
>> I understand that there are ambitious plans for a VODKA-am that will
>> support indexing operations on nested structures that are a lot more
>> advanced than those enabled by the hstore operator classes included in
>> these patches. However, surely these hstore operator classes have
>> independent value, or represent incremental progress?
>
> Primary value is that in theory the hstore2 opclasses are available
> *now*, as opposed to a year from now.

Well, yes, that's right. Although we cannot assume that VODKA will get
into 9.5 - it's a big project. Nor is it obvious to me that a
VODKA-ized set of operator classes would not bring with them exactly
the same dilemma as we now face vis-a-vis hstore code reuse and GIN
operator classes. So it seems reasonable to me to suppose that VODKA
should not influence our decision here. Please correct me if I'm
mistaken.

--
Peter Geoghegan

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