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Clarify that RangeTblEntry.lateral reflects whether LATERAL was
specified in the statement (as opposed to whether lateralness is
implicit). Also, the list of applicable entry types was incomplete.
Reviewed-by: Andrew Dunstan <andrew@dunslane.net>
Discussion: https://www.postgresql.org/message-id/flat/
4b27fc50-8cd6-46f5-ab20-
88dbaadca645@eisentraut.org