Re: graph representation of data structures in optimizer - Mailing list pgsql-hackers

From ITAGAKI Takahiro
Subject Re: graph representation of data structures in optimizer
Date
Msg-id 20090227095936.AB47.52131E4D@oss.ntt.co.jp
Whole thread Raw
In response to Re: graph representation of data structures in optimizer  (Adriano Lange <adriano@c3sl.ufpr.br>)
List pgsql-hackers
Adriano Lange <adriano@c3sl.ufpr.br> wrote:

> The patch attached is an implementation for graph generation of data 
> structures in postgres. The file debuggraph.c is a simple library that 
> generate graphs in the format supported by graphviz.

It's interesting, but I don't think it is suitable for a core feature.
Could you split the patch into a core-patch and an extension module?
The extension module would be put in contrib or in a pgFoundry project.
XML might be good for communications between the core and the module;
XML-explain was ongoingly discussed, but had not been completed yet.

Regards,
---
ITAGAKI Takahiro
NTT Open Source Software Center




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