Re: More formal definition of functions in documentation

Joris Dobbelsteen wrote:
> Dear,
>
> I'm currently reading through the Postgresql documentation about how
> several functions work and which ones I would need. So far the
> documentation is great and well-structured!
>
> Unfortunally I'm not sure what functions will actually do when some
> non-obvious input is provided (which is sometimes required, as we cannot
> assume structure of the input at all times). A simple example is
> substring(text from 'blaat#"%#"' for '#')
> where text is not in the format of the regular expression, e.g. when
> text = 'text'. I don't know if the SQL standard includes such
> requirements, but documenting such behaviour might be a good addition to
> the help.
> If I know how and how to structure it, I'm willing to do some effect.
>
> In any case, something as already done for CREATE TABLE and such
> constructs are very good and well-defined.

Join the -docs list:

http://archives.postgresql.org/pgsql-docs/

and they'll be able to get you started :)

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