Execution example::

  logical_range_filter \
    --logical_table Entries \
    --shard_key created_at \
    --cache no
  # [
  #   [
  #     0, 
  #     1337566253.89858, 
  #     0.000355720520019531
  #   ], 
  #   [
  #     [
  #       [
  #         "_key", 
  #         "ShortText"
  #       ], 
  #       [
  #         "content", 
  #         "Text"
  #       ], 
  #       [
  #         "created_at", 
  #         "Time"
  #       ], 
  #       [
  #         "n_likes", 
  #         "UInt32"
  #       ], 
  #       [
  #         "tag", 
  #         "ShortText"
  #       ]
  #     ], 
  #     [
  #       "The first post!", 
  #       "Welcome! This is my first post!", 
  #       1436281200.0, 
  #       5, 
  #       "Hello"
  #     ], 
  #     [
  #       "Groonga", 
  #       "I started to use Groonga. It's very fast!", 
  #       1436284800.0, 
  #       10, 
  #       "Groonga"
  #     ], 
  #     [
  #       "Mroonga", 
  #       "I also started to use Mroonga. It's also very fast! Really fast!", 
  #       1436288400.0, 
  #       15, 
  #       "Groonga"
  #     ], 
  #     [
  #       "Good-bye Senna", 
  #       "I migrated all Senna system!", 
  #       1436367600.0, 
  #       3, 
  #       "Senna"
  #     ], 
  #     [
  #       "Good-bye Tritonn", 
  #       "I also migrated all Tritonn system!", 
  #       1436371200.0, 
  #       3, 
  #       "Senna"
  #     ]
  #   ]
  # ]
