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	Tue, 14 Jun 2005 12:08:39 PDT
Date: Tue, 14 Jun 2005 12:08:39 -0700 (PDT)
From: Sophie Yang <yangsophie@yahoo.com>
Subject: Set Membership operator -- test group membership
To: pgsql-general@postgresql.org
Cc: pgsql-novice@postgresql.org, pgsql-sql@postgresql.org
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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 not work in PostgreSQL. I
wonder what is the proper way to use in PostgreSQL. I
tried "select * from tbl1 where (a, b) in ('{{1, 20},
{2, 30}, {3, 50}}')", and it doesn't work either.

Thanks!
Sophie


		
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