Match the following as a rewritable Grouping Expression: - an AttributeReference, these are translated to a DefaultDimensionSpec - a TimeElementExtractor expression, these are translated to ExtractionDimensionSpec with a TimeFormatExtractionFunctionSpec
Match the following as a rewritable Grouping Expression: - an AttributeReference, these are translated to a DefaultDimensionSpec - a TimeElementExtractor expression, these are translated to ExtractionDimensionSpec with a TimeFormatExtractionFunctionSpec