On Wed, Apr 15, 2015 at 2:43 PM, Qingqing Zhou <zhouqq.postg...@gmail.com>
wrote:
>
> Is this a proposal to have a better formatted (JSON etc)
> debug_print_parse results?


I've run into the need for this as well for monitoring purposes, my
solution was to compile the needed object files into a library (see [0]).

It'd be interesting to explore if there is some way to make this less
hack-ish, and enable tools to parse queries in a better way. Essentially
what is needed is some way to reliably translate SQL into an AST-like
output, from an outside tool, whilst reusing the current PostgreSQL parser.

I believe the recent work on deparsing DDL statements relates to some of
that (i.e. might be re-usable for this purpose, through an extension), if
I'm understanding correctly.

[0]: https://github.com/pganalyze/pg_query

Best,
Lukas

-- 
Lukas Fittl

Skype: lfittl
Phone: +1 415 321 0630

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