case class ExpandStarParameters(childOperatorOutput: Seq[Attribute], childOperatorMetadataOutput: Seq[Attribute], resolve: (Seq[String], Resolver) => Option[NamedExpression], suggestedAttributes: Seq[Attribute], resolver: Resolver, cleanupNestedAliasesDuringStructExpansion: Boolean = false) extends Product with Serializable
Encapsulates the arguments needed for Star.expandStar.
- childOperatorOutput
The output attributes of the child operator
- childOperatorMetadataOutput
The metadata output attributes of the child operator
- resolve
A function to resolve the given name parts to an attribute
- suggestedAttributes
A list of attributes that are suggested for expansion
- resolver
The resolver used to match the name parts
- cleanupNestedAliasesDuringStructExpansion
Whether to cleanup nested aliases during struct expansion
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- new ExpandStarParameters(childOperatorOutput: Seq[Attribute], childOperatorMetadataOutput: Seq[Attribute], resolve: (Seq[String], Resolver) => Option[NamedExpression], suggestedAttributes: Seq[Attribute], resolver: Resolver, cleanupNestedAliasesDuringStructExpansion: Boolean = false)
- childOperatorOutput
The output attributes of the child operator
- childOperatorMetadataOutput
The metadata output attributes of the child operator
- resolve
A function to resolve the given name parts to an attribute
- suggestedAttributes
A list of attributes that are suggested for expansion
- resolver
The resolver used to match the name parts
- cleanupNestedAliasesDuringStructExpansion
Whether to cleanup nested aliases during struct expansion
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- val childOperatorMetadataOutput: Seq[Attribute]
- val childOperatorOutput: Seq[Attribute]
- val cleanupNestedAliasesDuringStructExpansion: Boolean
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- def productElementNames: Iterator[String]
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- val resolve: (Seq[String], Resolver) => Option[NamedExpression]
- val resolver: Resolver
- val suggestedAttributes: Seq[Attribute]
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(Since version 9)