Aaron Hillegass (aaron(at)bignerdranch(dot)com) reports a bug with a severity of 2
The lower the number the more severe it is.
libpq needs a lo_truncate() or INV_TRUNC
I'm using the large object interface to store documents. Sometimes the documents are edited and get larger (take up more memory). This is fine, I just lo_write out the new version of the document. Other times, the documents get edited and 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, a flag to lo_open() that would make the opened large object zero-length (INV_TRUNC seems like a natural name for the flag).
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