At 23:55 27/06/01 +0200, Peter Eisentraut wrote:
>Hannu Krosing writes:
>
>> > > Is there an ISO/ANSI SQL interface to BLOB's defined someplace ?
>> >
>> > It's basically no different from regular character strings, i.e.,
>> > substring(), position(), ||, etc.
>>
>> So no standard seek/read/write type interface ?
>
>SQL is not a procedural language, so this has to be expected.
>
Wouldn't this logic also imply that there would be no cursor positioning?
No update cursors etc? seek, read, write don't seem that different to
MOVE/FETCH/UPDATE.
You also missed out mentioning the character overlay functions (which I
don't think we have), that allow updates of parts of BLOBs.
----------------------------------------------------------------
Philip Warner | __---_____
Albatross Consulting Pty. Ltd. |----/ - \
(A.B.N. 75 008 659 498) | /(@) ______---_
Tel: (+61) 0500 83 82 81 | _________ \
Fax: (+61) 0500 83 82 82 | ___________ |
Http://www.rhyme.com.au | / \| | --________--
PGP key available upon request, | /
and from pgp5.ai.mit.edu:11371 |/