Re: BLOB support

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От Tom Lane
Тема Re: BLOB support
Дата
Msg-id 5431.1307036596@sss.pgh.pa.us
обсуждение исходный текст
Ответ на Re: BLOB support  (Radosław Smogura <rsmogura@softperience.eu>)
Ответы Re: BLOB support
Re: BLOB support
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Radosław Smogura <rsmogura@softperience.eu> writes:
> Tom Lane <tgl@sss.pgh.pa.us> Thursday 02 of June 2011 16:42:42
>> Yes.  I think the appropriate problem statement is "provide streaming
>> access to large field values, as an alternative to just fetching/storing
>> the entire value at once".  I see no good reason to import the entire
>> messy notion of LOBS/CLOBS.  (The fact that other databases have done it
>> is not a good reason.)

> In context of LOBs streaming is resolved... I use current LO functionallity 
> (so driver may be able to read LOBs as psql \lo_export does it or using COPY 
> subprotocol) and client should get just LO's id.

Just to be clear: I do not want to expose a concept of object IDs for
field values in the first place.  All of the problems you enumerate stem
from the idea that LOBs ought to be a distinct kind of field, and I
don't buy that.
        regards, tom lane


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