Re: query and stored procedures

David Bear wrote:

>I'm so totally new to postgresql that I'm not sure how to word this.
>
>
>
What you want to do is create a function (store procedure)...
You can use plpythonu to do what you want. So you could create
something like this:

create or replace function check_id(text) returns integer as ...

Sincerely,

Joshua D. Drake



>I want to create a query, that does two things
>
>1) take input in the form of a string of numbers, and test if
>  a) is ssn
>  b) or internal id
>
>if the string is an ssn, make a second query to another data base,
>asking it to convert the ssn to our internal id
>
>otherwise,
>
>2) use the id given to query an existing table
>
>I'm not sure what feature/function postgresql has to help me do this.
>I'd like to stick with using python as my language, and I'm guessing
>this would be stored procedure, but I'm too new to know.
>
>Please point me to some good reading.
>
>
>


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