Re: [GENERAL] Set Membership operator -- test group membership

2005-06-14 Thread Sophie Yang
postgresql ( dot ) org Cc: pgsql-novice ( at ) postgresql ( dot ) org; pgsql-sql ( at ) postgresql ( dot ) org Subject: [GENERAL] Set Membership operator -- test group membership Say I have a table tbl1 with two columns: tbl1(a integer, b integer, c integer) I want to select the rows in which a

Re: [GENERAL] Set Membership operator -- test group membership

2005-06-14 Thread Igor Katrayev
[EMAIL PROTECTED] -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] On Behalf Of Sophie Yang Sent: Tuesday, June 14, 2005 11:09 AM To: pgsql-general@postgresql.org Cc: [EMAIL PROTECTED]; pgsql-sql@postgresql.org Subject: [GENERAL] Set Membership operator -- test group

[GENERAL] Set Membership operator -- test group membership

2005-06-14 Thread Sophie Yang
Say I have a table tbl1 with two columns: tbl1(a integer, b integer, c integer) I want to select the rows in which a and b are members of a list of integer pairs. The SQL in my mind is something like: select * from tbl1 where (a, b) in ((1, 20), (2, 30), (3, 50)); I know the SQL above does n