I am not sure I understand the scope of the log_enable() procedure. If I
call log_enable(2,1); in a stored procedure, I am sure that it will affect the
entire connection, but, will it affect other connections as well. Would it,
for instance, persist until reboot and affect other connections? How can I
verify this - is there any command that will output the current transaction
isolation level?
Also, I have an inexplicable situation where my stored procedure loads a
dataset in NTriples format into a graph, and then does some processing on that
dataset. It is important for the processing that the graph be empty at the
beginning, e.g. before the load. Try as I might, I seem to end-up in
situations where the graph is not-empty, and I believe that this may be some
interaction between log_enable() and the delete statement. I would think
naively that log_enable(2,1); would have no effect on the serialization of
row-level operations *in the same connection*, but perhaps I misunderstand.
Dan Davis, Systems/Applications Architect (Contractor),
Office of Computer and Communications Systems,
National Library of Medicine, NIH
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