Re: Order By Question

From: "Prasanth Kumar" <kumar1(at)home(dot)com>
To: <pgsql-sql(at)postgresql(dot)org>
Subject: Re: Order By Question
Date: 2001-01-24 07:51:50
Message-ID: 003b01c085da$82aaa4c0$afc8b018@c654771a
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-sql

<snip>
> This seems like the answer must be pretty easy, but I can't think of it:
>
> In the following statement:
>
> select field1 from my_table where field2 in (3, 1, 2);
>
> How can I modify this statement so that the record are returned in the
> order of first those records having field2 = 3, then field2 = 1, then
> field2 = 2.
> As it stands, I am getting them returned in the order of the value of
> field1.
>
<snip>
One way is to have a priority table where each value is mapped to its
associated priority and then you do a join against this table and order by
the priority value instead.

So you might have a table like follows:

priority value
1 3
2 1
3 2

--
Prasanth Kumar
kumar1(at)home(dot)com

In response to

Browse pgsql-sql by date

  From Date Subject
Next Message Peter T Mount 2001-01-24 09:08:07 Re: [SQL] postgresql.largeobject package
Previous Message Michael Davis 2001-01-24 05:56:10 RE: plpgsql language