See also prior discussions:https://www.postgresql.org/message-id/flat/62750df5b126e1d8ee039a79ef3cc64ac3d47cd5.camel%40j-davis.comhttps://www.postgresql.org/message-id/flat/20180228214311.jclah37cwh572t2c%40alap3.anarazel.de
-- Justin