Re: JSON decoding plugin

From: Euler Taveira <euler(at)timbira(dot)com(dot)br>
To: Merlin Moncure <mmoncure(at)gmail(dot)com>
Cc: Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: JSON decoding plugin
Date: 2013-12-09 16:53:11
Message-ID: 52A5F577.1070104@timbira.com.br
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On 09-12-2013 13:12, Merlin Moncure wrote:
> This is pretty neat. Couple minor questions:
> *) Aren't you *en*coding data into json, not the other way around (decoding?)
>
Yes. The 'decoding' came from the functionality (logical decoding) and
because the POC plugin is named 'test_decoding'. I also think that
'json_decoding' doesn't say much about the module purpose. I confess
that I don't like the name but can't come up with a good name. Maybe
'wal2json' or 'logrep2json'? Could you suggest something?

> *) Consider generating a long bytea instead of explicitly writing a
> 32kb sql into the patch.
>
I'll consider for next version.

> *) You've built your own json serializer here. Maybe some code can be
> shared with the json type?
>
Same here. I already took a look at the json datatype but decided that I
wouldn't mess up with the backend code before have a feedback in the
general idea.

> *) Consider removing 'plugin ' from the name of the plugin.
> --plugin=json_decoding etc.
>
'plugin' was a tentative to produce an unique name (it sucks but...).

--
Euler Taveira Timbira - http://www.timbira.com.br/
PostgreSQL: Consultoria, Desenvolvimento, Suporte 24x7 e Treinamento

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