Heikki Linnakangas wrote: > On 06.08.2011 13:13, Simon Riggs wrote: >> I think we should remove the COPY optimisation because of this and >> definitely not extend INSERT SELECT to perform it automatically. > > It can be very helpful when loading a lot of data, so I'm not in > favor of removing it altogether. Yeah, it can currently help a lot. Of course, if WAL-logging could in any way facilitate hint bit and frozen xmin setting during bulk loads, I'm sure the WAL-logged version would win easily. -Kevin
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