query checking - Mailing list pgsql-php

From s
Subject query checking
Date
Msg-id 3A6B8264.5040902@bundabergcity.qld.gov.au
Whole thread Raw
List pgsql-php
I am writing a site that
does select/insert SQL commands with users input.

There is a potential hazard if some one tries to execute there
own commands in an input box
eg.    the user types into the input  box on a form  -   [ "; delete *
from table; ]

I'm after a regular expression (that'd be nice) or an algorithm to
tell that only one query is being passed to psql at a time.

The query string will be processed if
Either - one SELECT command only
           - one INSERT command only
           - one UPDATE command only
ELSE - dont process query

Any input would be much appreciated.
thanks,
stef


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