Re: ZSON, PostgreSQL extension for compressing JSONB

From: Simon Riggs <simon(at)2ndquadrant(dot)com>
To: Aleksander Alekseev <a(dot)alekseev(at)postgrespro(dot)ru>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, Postgresql General <pgsql-general(at)postgresql(dot)org>
Subject: Re: ZSON, PostgreSQL extension for compressing JSONB
Date: 2016-10-06 08:02:15
Message-ID: CANP8+jLicQHp64G9Okha=1toQS5UR8RN-m2HgwBzXxfYMsbx2A@mail.gmail.com
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On 5 October 2016 at 16:58, Aleksander Alekseev
<a(dot)alekseev(at)postgrespro(dot)ru> wrote:

> What about evolving schema of JSON/JSONB/XML? For instance,
> adding/removing keys in new versions of the application. UPDATE
> COMPRESSION DICTIONARY?

You can add to a dictionary, but not remove things. I'm not sure
that's a big issue.

--
Simon Riggs http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services

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