From: | "Adam Lang" <aalang(at)rutgersinsurance(dot)com> |
---|---|
To: | <pgsql-php(at)postgresql(dot)org> |
Subject: | Re: how to determine where a select statement fails |
Date: | 2001-07-26 15:56:21 |
Message-ID: | 00eb01c115eb$83e1dd80$330a0a0a@rutgersinsurance.com |
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Thread: | |
Lists: | pgsql-php |
I really don't think that is SQL's job. I think you have to code conditions
like that yourself.
Adam Lang
Systems Engineer
Rutgers Casualty Insurance Company
http://www.rutgersinsurance.com
----- Original Message -----
From: "Heather Johnson" <hjohnson(at)nypost(dot)com>
To: <pgsql-php(at)postgresql(dot)org>
Sent: Thursday, July 26, 2001 11:15 AM
Subject: [PHP] how to determine where a select statement fails
> I am using php to do a select query which returns rows on the condition
that
> a conjunction is true in the WHERE clause. This is the SELECT statement:
>
> SELECT low_range, high_range, st_name, city, zip FROM router
> WHERE st_name = '$st_name' AND city = '$city' AND zip = '$zip';
>
> In the event that the query fails to return any rows, I'd like to be able
to
> determine which conjunct caused it to fail. So, for example, if the
> user-entered $st_name isn't in the router table, I'd like to know that
> st_name = '$st_name' is what made the conjunction false and caused the
query
> to fail. $pg_errormsg isn't this specific about query failures though.
Does
> anyone know how I might be able to get this information?
>
> Thanks!
> Heather Johnson
>
>
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