From: | RebeccaJ <rebeccaj(at)gmail(dot)com> |
---|---|
To: | pgsql-general(at)postgresql(dot)org |
Subject: | text column constraint, newbie question |
Date: | 2009-03-22 05:13:52 |
Message-ID: | 1f6cb9fb-da9e-4ac2-af11-c57d4f50eae5@b9g2000prd.googlegroups.com |
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Thread: | |
Lists: | pgsql-general |
Hi,
I'm new to both PostgreSQL and web-based application development; I
read the FAQ at postgresql.org (perhaps this discussion group has
another FAQ that I haven't found yet?) and didn't see this addressed.
I'm creating a table with a column of type text, to be used in a php
web application, where I'll be accepting user input for that text
field. Are there characters, maybe non-printing characters, or perhaps
even whole phrases, that could cause problems in my database or
application if I were to allow users to enter them into that column?
If so, does anyone happen to have a regular expression handy that you
think is a good choice for text columns' CHECK constraint? Or maybe a
link to a discussion of this topic?
Thanks!
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