Re: BLOB support

Excerpts from Radosław Smogura's message of jue jun 02 15:26:29 -0400 2011:

> So do I understand good should We think about create bettered TOAST to support 
> larger values then 30-bit length? I like this much more,

Good :-)

(BTW while it'd be good to have longer-than-30 bit length words for
varlena, I'm not sure we have room for that.)

> but without Objects ID quering relation with lobs will require to lock
> relation for some time,

Why?  The tuples are not going away due to MVCC anyway.

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