Re: understanding explain data

Sim Zacks wrote:
> Something such as: with this explain data, adding an index on table tbl
> column A would drastically improve the efficiency. Or at least an
> application that would say, the least efficient part of your query is on
> this part of the code so that you could more easily figure out what to
> do about it.

The latter part is the most useful IMO, optimizing usually needs a
(human) brain to put things into the right perspective. Adding an index
can speed up your queries only so much, a more optimal data presentation
  (like moving calculations to insert/update instead of select) can do a
lot more sometimes.

It looks like something like that shouldn't be too hard to write...
Maybe it even does exist already. Personally I'd prefer a command line
tool ;)
It would help if you can pipe the output of explain analyze to an
external tool from within psql.

Regards,
--
Alban Hertroys
alban@magproductions.nl

magproductions b.v.

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