On Apr 21, 2007, at 4:46 , sharath kumar wrote:
For a particular query, are there any functions which can give me the start-up cost, total run-cost, number of rows and width?
-hackers is a list for discussion of development of PostgreSQL itself. Your question would probably be more appropriate in -general (which I am cc'ing) or perhaps -performance.
I believe EXPLAIN ANALYZE will provide what you're looking for. The PostgreSQL documentation is a good place to get started:
http://www.postgresql.org/docs/8.2/interactive/sql-explain.html http://www.postgresql.org/docs/8.2/interactive/performance-tips.html Hope this helps. Michael Glaesemann grzm seespotcode net
