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• The dependent table does not have a location. The list of partitions are computed at query time - think of it like a view, where each partition has its own definition limited to 'select * from T where partial/full partition spec'. Query layer needs to change. Is it possible ? Unlike a view, it does not rewritten at semantic analysis time. After partition pruning is done (on a dependent table), rewrite the
  tree to contain the base table T - the columns remain the same, so it should be possible.