How much data is 20,000 lines? 20KB? 100MB? You might do well to just
process this in memory and then just COPY the right data to the table.
This gets away from doing the SELECT/INSERT/SELECT/INSERT thing which is
going to be painful for batch jobs.
See, the thing is that on every insert the inde
Oh ok. So I was thinking of the way that sequences cut across transactions
and I misinterpreted it. Thanks for the clarification.
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