Re: Creating a Pseudocolumn - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Creating a Pseudocolumn
Date
Msg-id 5801.1147753226@sss.pgh.pa.us
Whole thread Raw
In response to Creating a Pseudocolumn  ("Jonah H. Harris" <jonah.harris@gmail.com>)
Responses Re: Creating a Pseudocolumn  ("Gurjeet Singh" <singh.gurjeet@gmail.com>)
List pgsql-hackers
"Jonah H. Harris" <jonah.harris@gmail.com> writes:
> I'm reworking hierarchical queries and am adding a LEVEL pseudocolumn.
>  As it's a totally calculated attribute, what's the best way to handle
> it keeping in mind that LEVEL is only used in a hierarchical query?

Perhaps you should start by explaining what the heck you're talking
about ;-).  I can find nothing in the SQL2003 spec that sounds anything
like a LEVEL function or pseudocolumn.
        regards, tom lane


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