Re: Making TEXT NUL-transparent

* Pavel Stehule:

> Hello
>
> 2011/11/24 Florian Weimer <fweimer(at)bfk(dot)de>:
>> Occasionally, we get bitten by embedded NUL bytes in TEXT values.  We
>> take care of generating proper UTF-8, but this additional restriction
>> sometimes slips by.  It would be really helpful if PostgreSQL could
>> store such TEXT fields as-is (at least if they are computed internally,
>> or come from query parameters).
>>
>
> and why you don't use bytea ? Text should be correct literal.

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
LINE 1: SELECT '\x006500'::bytea ~ 'A';
^
HINT: No operator matches the given name and argument type(s). You might need to add explicit type casts.

--
Florian Weimer <fweimer(at)bfk(dot)de>
BFK edv-consulting GmbH http://www.bfk.de/
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