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834038c1f8
Use TupleDescInitBuiltinEntry instead of TupleDescInitEntry when building the result tuple descriptor for the WAIT FOR command. This avoids a syscache access that could re-establish a catalog snapshot after we've explicitly released all snapshots before the wait. Discussion: https://postgr.es/m/CABPTF7U%2BSUnJX_woQYGe%3D%3DR9Oz%2B-V6X0VO2stBLPGfJmH_LEhw%40mail.gmail.com Author: Xuneng Zhou <xunengzhou@gmail.com> Reviewed-by: Alexander Korotkov <aekorotkov@gmail.com>