Fixed bug #66878

Keep track of whether we have fully consumed all result sets,
either using nextRowset() calls or closeCursor() and skip the
attempt to consume remaining results sets

Fixed bug #66878

Keep track of whether we have fully consumed all result sets,
either using nextRowset() calls or closeCursor() and skip the
attempt to consume remaining results sets during destruction in
that case.

Especiall if closeCursor() has been used, we really shouldn't
have this sort of cross-statement inference.

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