Re: WHERE

From: "Dann Corbit" <DCorbit(at)connx(dot)com>
To: "Hrishikesh Deshmukh" <hdeshmuk(at)gmail(dot)com>, "Postgresql-General" <pgsql-general(at)postgresql(dot)org>
Subject: Re: WHERE
Date: 2005-05-09 19:58:06
Message-ID: D425483C2C5C9F49B5B7A41F89441547055B6B@postal.corporate.connx.com
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Temp tables go away after the transaction completes.
Perhaps you want a permanent table, dropped later with "drop table".
Either that, or you may want to bracket the entire sequence in
begin/end.

I imagine that what you want to accomplish can be done.

But your pseudo-code is very vague.

Give the actual SQL to define the tables involved in your query.

Then, describe carefully exactly what you want to accomplish.

Then someone can give you a correct answer of exactly how to accomplish
it.

> -----Original Message-----
> From: pgsql-general-owner(at)postgresql(dot)org [mailto:pgsql-general-
> owner(at)postgresql(dot)org] On Behalf Of Hrishikesh Deshmukh
> Sent: Monday, May 09, 2005 12:49 PM
> To: Postgresql-General
> Subject: [GENERAL] WHERE
>
> Hi All,
>
> How can one use a table created for saving the results for a query be
> used in WHERE for subsequent query!!!
>
> Step 1) create table temp as select gene from dataTable1 intersect
> select gene from dataTable2;
>
> Now temp has been created, temp has only one column which has list of
> genes and nothing else but i want to retrieve annotation for the genes
> in temp table.
>
> Is it possible to: select geneAnnotation from dataTable1 where genes =
> "gene in temp table";!!!!!
>
> Or am i here in some serious soup!!! :((
>
> Thanks,
> Hrishi
>
> ---------------------------(end of
broadcast)---------------------------
> TIP 8: explain analyze is your friend

Responses

  • Re: WHERE at 2005-05-09 20:05:03 from Hrishikesh Deshmukh
  • Re: WHERE at 2005-05-13 18:46:35 from Andrew Sullivan

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