Re: new json funcs

From: Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>
To: Andrew Dunstan <andrew(at)dunslane(dot)net>
Cc: PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: new json funcs
Date: 2014-01-10 19:01:15
Message-ID: 20140110190115.GT6840@eldon.alvh.no-ip.org
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Andrew Dunstan wrote:
>
> On 01/10/2014 12:42 PM, Alvaro Herrera wrote:
> >Is it just me, or is the json_array_element(json, int) function not
> >documented?
>
> As discussed at the time, we didn't document the functions
> underlying the json operators, just the operators themselves.

Oh, I see. That's fine with me. From the source code it's hard to see
when a SQL-callable function is only there to implement an operator,
though (and it seems a bit far-fetched to suppose that the developer
will think, upon seeing an undocumented function, "oh this must
implement some operator, I will look it up at pg_proc.h").

I think the operator(s) should be mentioned in the comment on top of the
function.

--
Álvaro Herrera http://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Training & Services

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