Robert Haas f05230752d Revert "Allow ON CONFLICT .. DO NOTHING on a partitioned table." ... This reverts commit 8355a011a0, which turns out to have been a misguided effort. We can't really support this in a partitioning hierarchy after all for exactly the reasons stated in the documentation removed by that commit. It's still possible to use ON CONFLICT .. DO NOTHING (or for that matter ON CONFLICT .. DO UPDATE) on individual partitions if desired, but but to allow this on a partitioned table implies that we have some way of evaluating uniqueness across the whole partitioning hierarchy, which is false. Shinoda Noriyoshi noticed that the old code was crashing (which we could fix, though not in a nice way) and Amit Langote realized that this was indicative of a fundamental problem with the commit being reverted here. Discussion: http://postgr.es/m/ff3dc21d-7204-c09c-50ac-cf11a8c45c81@lab.ntt.co.jp		2017-03-31 16:48:21 -04:00
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src	Revert "Allow ON CONFLICT .. DO NOTHING on a partitioned table."	2017-03-31 16:48:21 -04:00
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