View Single Post

   
  #2 (permalink)  
Old 04-10-2008, 12:15 AM
Joshua D. Drake
 
Posts: n/a
Default 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.
>
>
>



--
Command Prompt, Inc., home of Mammoth PostgreSQL - S/ODBC and S/JDBC
Postgresql support, programming shared hosting and dedicated hosting.
+1-503-667-4564 - jd@commandprompt.com - http://www.commandprompt.com
PostgreSQL Replicator -- production quality replication for PostgreSQL



---------------------------(end of broadcast)---------------------------
TIP 9: the planner will ignore your desire to choose an index scan if your
joining column's datatypes do not match

Reply With Quote