Reported-by: Peter Geoghegan
Discussion: https://postgr.es/m/CAH2-WznwSs5irUka2deUooSdH7Sts2oPdVv4PCOwhK51fq2ZTg@mail.gmail.com
Backpatch-through: master
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-Allow btree indexes to more efficiently find array matches (Peter Geoghegan, Matthias van de Meent)
+Allow btree indexes to more efficiently find a set of values, such as those supplied by IN subqueries (Peter Geoghegan, Matthias van de Meent)
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