Re: Order By Question
От | Prasanth Kumar |
---|---|
Тема | Re: Order By Question |
Дата | |
Msg-id | 003b01c085da$82aaa4c0$afc8b018@c654771a обсуждение исходный текст |
Ответ на | Order By Question (Tristan Colson <tristan_colson@pacbell.net>) |
Список | 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@home.com
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