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In branch '''rl-xp''' but might be in others :

• sage-engine/sage/database/core/dataset.py

  Line 32 in b5faae6

  self._desciption = description

• sage-engine/sage/query_engine/optimizer/optimizer.py

  Line 51 in b5faae6

  return CardinalityEstimartor().visit(physical_plan, context={})