Subject Re: [Firebird-Architect] Substring
Author Ann W. Harrison
At 07:57 AM 10/15/2004, Daniel Rail wrote:

> > One wonders why they don't allow negative lengths...
>Because in the standard docs, it's mentioned that the end position has
>to be after the start position.

Right, my question was why the standards body decided that
negative lengths were bad but negative starting points were
fine. The could have said that the starting position had
to be at or after the start of the string.