The problem was that I was doing it as follows: insert/insert/update. Wash rinse repeat. The better way to do it (which solved the problem was: Insert a bun

The problem was that I was doing it as follows: insert/insert/update. Wash rinse repeat. The better way to do it (which solved the problem was: Insert a bunch of rows, insert a bunch of rows, update a bunch of rows, no repeating.