ensureDistributionAndOrdering(operator: SparkPlan): SparkPlan EnsureRequirements Physical Plan Optimization
EnsureRequirements is a optimization rule for a physical plan in QueryExecution.
EnsureRequirements makes sure that for a ShuffleExchange physical operator any sub-ShuffleExchange operators guarantee partitioning, distribution and ordering.
ensureDistributionAndOrdering Internal Method
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Caution
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FIXME |