db-derby-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From Nirmal Fernando <nirmal070...@gmail.com>
Subject Re: What should the "Graphical Query Explainer" shows?
Date Sun, 30 May 2010 16:34:44 GMT
Hi Rick,

> I would also like to see the following information pop out. It is hard to
> figure this out from the current query plans:
> 1) For scan nodes, what pieces of the WHERE clause were pushed into the
> Store. I believe these turn up in the current query plans as "scan
> qualifiers" and "next qualifiers".

These are Varchar variables with a maximum length of 1024 characters.
So adding these
might take large space. Will it reduce the "graphical behavior" of the
tool (since lot of text)?


Best Regards,

C.S.Nirmal J. Fernando
Department of Computer Science & Engineering,
Faculty of Engineering,
University of Moratuwa,
Sri Lanka.

View raw message