| From: | Tatsuo Ishii <ishii(at)sraoss(dot)co(dot)jp> |
|---|---|
| To: | moch_isnaini(at)yahoo(dot)com |
| Cc: | pgsql-general(at)postgresql(dot)org |
| Subject: | Re: Howto analyse sql statement. |
| Date: | 2010-02-18 07:08:52 |
| Message-ID: | 20100218.160852.58453145.t-ishii@sraoss.co.jp |
| Views: | Raw Message | Whole Thread | Download mbox | Resend email |
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| Lists: | pgsql-general |
From: Muhammad Isnaini <moch_isnaini(at)yahoo(dot)com>
Subject: Re: Howto analyse sql statement.
Date: Wed, 17 Feb 2010 21:02:26 +0800 (SGT)
Message-ID: <525621(dot)291(dot)qm(at)web76202(dot)mail(dot)sg1(dot)yahoo(dot)com>
> > parse_tree_list = raw_parser(string);
>
> I have got it. I will send later.
> Next chalange is how writing query statement ( include rewriting ) from a node ?. Is that posible ?.
You could recursively search the parse tree and rewrite the query. See
pool_timestamp.c for a great example.
--
Tatsuo Ishii
SRA OSS, Inc. Japan
English: http://www.sraoss.co.jp/index_en.php
Japanese: http://www.sraoss.co.jp
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