Re: Making TEXT NUL-transparent

2011/11/24 Florian Weimer <fweimer@bfk.de>:
> * Alexander Shulgin:
>
>>> It's actually UTF-8 text, and some PostgreSQL functions are only
>>> available for TEXT, but not BYTEA, e.g.:
>>>
>>> bfk_int=> SELECT '\x006500'::bytea ~ 'A';
>>> ERROR:  operator does not exist: bytea ~ unknown
>>
>> And how will those TEXT functions behave on a value with an embedded
>> NUL?
>
> They need to be audited and fixed if necessary.  I'm not saying that
> this would be a trivial change.
>
>> Or is it not only about being able to *store* NULs in a text field?
>
> No, the entire core should be NUL-transparent.
>
> By the way, I refuse the notion that UTF-8 strings with embedded NULs
> are "broken".  I can't recall any other system which enforces UTF-8
> well-formedness, but does not permit embedded NULs.
>

I have a different question. What is reason for embedded NULs inside strings?

Regards

Pavel Stehule

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