On Fri, Mar 01, 2019 at 07:17:04PM +0800, Andy Fan wrote: > for a createStmt, it will call transformCreateStmt, and then > heap_create_with_catalog. > but looks it just check the if_not_exists in transformCreateStmt. > > is it designed as this on purpose or is it a bug?
That's a bug. Andreas Karlsson and I have been discussing it a couple of days ago actually: https://www.postgresql.org/message-id/20190215081451.gd2...@paquier.xyz Fixing this is not as straight-forward as it seems, as it requires shuffling a bit the code related to a CTAS creation so as all code paths check at the same time for an existing relation. Based on my first impressions, I got the feeling that it would be rather invasive and not worth a back-patch. -- Michael
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