This is a problem in release 7.0.2.
I had never heard of the truncate command! It seems that it ought to be
disallowed on a table that is a target for RI checks, since checking that
deletions are OK would frustrate the whole purpose of truncate as opposed
to delete.
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D
As explained to me a while back, if the precision of a numeric is
undefined, postgresql returns a -1 where it would otherwise return
a precision.
I changed the jdbc driver to deal with this, but at least as of the last
version of postgresql before 7.0, this was a problem in the odbc driver
as w