From: | Stephen Crawley <crawley(at)dstc(dot)edu(dot)au> |
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To: | pgsql-interfaces(at)postgresql(dot)org, pgsql-sql(at)postgresql(dot)org |
Subject: | Is it possible to "truncate" a LOB? |
Date: | 2000-06-06 00:35:48 |
Message-ID: | 200006060035.e560Zn504797@piglet.dstc.edu.au |
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Lists: | pgsql-interfaces pgsql-sql |
Suppose that I have created a LOB, written a bunch of data to it, and
committed.
Is it now possible to rewrite the LOB to contain a lesser amount of data?
In other words can I do the equivalent of UNIX open(..., O_WRONLY | O_TRUNC)
or ftruncate(...) on a LOB?
Or am I forced to delete the existing LOB and create a new one if I want
to shrink the size of the stored data?
-- Steve
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