BuiltInMetadata.Measure.Context (Apache Calcite API)

All Known Implementing Classes:: RelMdMeasure.DelegatingContext

Enclosing interface:: BuiltInMetadata.Measure

public static interface BuiltInMetadata.Measure.Context

Context for a use of a measure at a call site.

Method Summary

Modifier and Type

Method

Description

int

getDimensionCount()

Returns the number of dimension columns.

List<RexNode>

getFilters(RelBuilder b)

Returns a (conjunctive) list of filters.

RelBuilder

getRelBuilder()

default RexBuilder

getRexBuilder()

default RelDataTypeFactory

getTypeFactory()

Method Details
- getRelBuilder
  
  RelBuilder getRelBuilder()
- getRexBuilder
  
  default RexBuilder getRexBuilder()
- getTypeFactory
  
  default RelDataTypeFactory getTypeFactory()
- getFilters
  
  List<RexNode> getFilters(RelBuilder b)
  
  Returns a (conjunctive) list of filters.
  The filters represent the "filter context" and will become the WHERE clause of the subquery.
  If the relation defining the measure has N dimensions then the dimensions can be referenced using RexInputRef 0 through N-1.
- getDimensionCount
  
  int getDimensionCount()
  
  Returns the number of dimension columns.