Обсуждение: Bug #601: libpq needs a lo_truncate() or INV_TRUNC

Aaron Hillegass (aaron@bignerdranch.com) reports a bug with a severity of 2
The lower the number the more severe it is.

Short Description
libpq needs a lo_truncate() or INV_TRUNC

Long Description
I'm using the large object interface to store documents.  Sometimes the documents are edited and get larger (take up
morememory).  This is fine,  I just lo_write out the new version of the document.  Other times,  the documents get
editedand get smaller.  This is bad because I can't find any way to make the large object smaller.  
 

Following unix conventions,  it would be nice to have a lo_truncate() to make the large object a specific length.  Or,
aflag to lo_open() that would make the opened large object zero-length (INV_TRUNC seems like a natural name for the
flag).

Sample Code


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