On Fri, 2003-09-05 at 09:39, Jonathan Bartlett wrote: > > I think I have found out why.. I have a where clause on a ID field but it > > seems like I need to cast this integer to the same integer as the field is > > defined in the table, else it will do a tablescan. > > Yes, this is correct > > > Is this assumtion correct? And if it is, do I then need to change all my > > sql's to cast the where clause where I just have a number (eg where field > > = 1) to force the planner to use index scan instead of seq scan? > > Someone correct me if I'm wrong, but I believe numbers are int4's, so they > need to be cast if your column is not an int4.
You mean "constant" scalars? Yes, constants scalars are interpreted as int4. -- ----------------------------------------------------------------- Ron Johnson, Jr. [EMAIL PROTECTED] Jefferson, LA USA "Millions of Chinese speak Chinese, and it's not hereditary..." Dr. Dean Edell ---------------------------(end of broadcast)--------------------------- TIP 3: if posting/reading through Usenet, please send an appropriate subscribe-nomail command to [EMAIL PROTECTED] so that your message can get through to the mailing list cleanly