case class ExpressionLookup(attributesUsed: Identifiers = Set.empty, unknownSparkFunctions: Identifiers = Set.empty, lambdas: Set[Id] = Set.empty, sparkFunctions: Set[String] = Set.empty) extends Product with Serializable
For a given expression it breaks down information useful for documentation and validation for a non-resolved expression.
All names may include optional scope (e.g. database)
- attributesUsed
Which attributes are used in the expression
- unknownSparkFunctions
Which functions are used but are neither known lambdas nor registered spark expressions
- lambdas
Which known lambdas are used
- sparkFunctions
Which known spark functions are used
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new
ExpressionLookup(attributesUsed: Identifiers = Set.empty, unknownSparkFunctions: Identifiers = Set.empty, lambdas: Set[Id] = Set.empty, sparkFunctions: Set[String] = Set.empty)
- attributesUsed
Which attributes are used in the expression
- unknownSparkFunctions
Which functions are used but are neither known lambdas nor registered spark expressions
- lambdas
Which known lambdas are used
- sparkFunctions
Which known spark functions are used
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- val attributesUsed: Identifiers
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- val sparkFunctions: Set[String]
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- val unknownSparkFunctions: Identifiers
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