Re: SQL Date Challenge - Mailing list pgsql-sql

From Josh Berkus
Subject Re: SQL Date Challenge
Date
Msg-id web-66974@davinci.ethosmedia.com
Whole thread Raw
In response to Re: SQL Date Challenge  (Peter Eisentraut <peter_e@gmx.net>)
List pgsql-sql
Peter, Alex,

> You can't easily build data out of nothing in a declarative way in
> SQL.
> Basically, if you want a list of data you either need to put them in
> a
> table (which you don't want) or list them in the command itself
> (which you
> can't).  This isn't made easier by the fact that functions currently
> can't
> return sets without extreme wizardry.

Thanks for the feedback ... it's good to know at least when something is
impossible.  

Looks like I'll have to build a nightly table of all Wednesdays in the
last 90 days using PL/pgSQL.

-Josh Berkus


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