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GroupingSets-spark技术分享
spark-sql

GroupingSets

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GroupingSets Unary Logical Operator GroupingSets is a unary logical operator that represents SQL’s GROUPING ...

Filter-spark技术分享
spark-sql

Filter

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Filter Unary Logical Operator Filter is a unary logical operator that takes the following when created: Condi ...

ExternalRDD-spark技术分享
spark-sql

ExternalRDD

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ExternalRDD ExternalRDD is a leaf logical operator that is a logical representation of (the data from) an RDD in a ...

ExplainCommand-spark技术分享
spark-sql

ExplainCommand

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ExplainCommand Logical Command ExplainCommand is a logical command with side effect that allows users to see how a ...

Expand-spark技术分享
spark-sql

Expand

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Expand Unary Logical Operator Expand is a unary logical operator that represents Cube, Rollup, GroupingSets and Ti ...

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