On Thu, Mar 21, 2019 at 03:41:08PM -0400, Robert Haas wrote: > Yeah. The fact that a concurrent refresh currently does DELETE+INSERT > rather than UPDATE is currently an implementation detail. If you > allow users to hook up triggers to the inserts, then suddenly it's no > longer an implementation detail: it is a user-visible behavior that > can't be changed in the future without breaking backward > compatibility.
We are visibly going nowhere for this thread for v12, so I have marked the proposal as returned with feedback. -- Michael
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