Re: Indexing question
От | Andreas Kretschmer |
---|---|
Тема | Re: Indexing question |
Дата | |
Msg-id | 20120814173338.GA15693@tux обсуждение исходный текст |
Ответ на | Indexing question (amit sehas <cun23@yahoo.com>) |
Список | pgsql-general |
amit sehas <cun23@yahoo.com> wrote: > In SQL, given a table T, with two fields f1, f2, > > is it possible to create an index such that the same record is indexed > in the index, once with field f1 and once with field f2. (I am not > looking for a compound index in which the key would look like <f1, > f2>, instead there should be two entries in the index <f1> and <f2>). > > we have a few use cases for the above, perhaps we need to alter the > schema somehow to accommodate the above, 2 separate indexes? One on f1 and one on f2? Andreas -- Really, I'm not out to destroy Microsoft. That will just be a completely unintentional side effect. (Linus Torvalds) "If I was god, I would recompile penguin with --enable-fly." (unknown) Kaufbach, Saxony, Germany, Europe. N 51.05082°, E 13.56889°
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