On Thu, 8 Feb 2018, Melvin Davidson wrote:
I believe your problem is in your usage. In order for currval(regclass) to work, you must first do a SELECT nextval(regclass) in your _current transaction_! https://www.postgresql.org/docs/9.6/static/functions-sequence.html
I AM doing that. It is returning zero. The code is identical to that used in all other tables in the schema - all of them work. This one does not - unless I use the INSERT .. RETURNING .. approach.
I suspect the weirdness with the sequence not being found is part of the underlying problem.
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