Re: optimizing Postgres queries
David Teran <david.teran@cluster9.com>
From: David Teran <david.teran@cluster9.com>
To: Shridhar Daithankar <shridhar_daithankar@myrealbox.com>
Cc: pgsql-performance@postgresql.org
Date: 2004-01-05T12:18:06Z
Lists: pgsql-performance
Hi, > The performance will likely to be the same. Its just that integer > happens to > be default integer type and hence it does not need an explicit > typecast. ( I > don't remember exactly which integer is default but it is either of > int2,int4 > and int8...:-)) > The docs say int4 is much faster than int8, but i will check this. > The performance diffference is likely due to use of index, which is in > turn > due to typecasting. If you need bigint, you should use them. Just > remember to > typecast whenever required. This is my bigger problem: i am using EOF (OR mapping tool) which frees me more or less form writing a lot of SQL. If i need to typecast to use an index then i have to see how to do this with this framework. Regards David