Bruce Momjian <pgman@candle.pha.pa.us> writes:
> Let me ask a bigger question. We have the length of the text string in
> the varlena header. Are we concerned about backend code not handling
> NULL in text fields, or frontend code returning strings with embedded
> nulls?
The former.
> I see problems in the text() functions for nulls, but is such a
> limitation required for text types?
Unless you want to re-implement strcoll() and friends from scratch.
regards, tom lane
