A name for a column an emitter adds and drops again, e.g. cube_rn: the
base name, else with a number (cube_rn2, cube_rn3, …), until no column
of the schema has it in any case (foldColumnName): CUBE_RN takes
cube_rn on a database that compares names without case
A name for a column an emitter adds and drops again, e.g.
cube_rn: the base name, else with a number (cube_rn2,cube_rn3, …), until no column of the schema has it in any case (foldColumnName):CUBE_RNtakescube_rnon a database that compares names without case