Package org.apache.druid.sql.calcite.rel

Class Summary

Class	Description
CostEstimates	Constants used by PartialDruidQuery.estimateCost() and various AbstractRelNode.computeSelfCost(RelOptPlanner, RelMetadataQuery) implementations.
DruidConvention
DruidJoinQueryRel	DruidRel that uses a JoinDataSource.
DruidOuterQueryRel	DruidRel that uses a QueryDataSource.
DruidQuery	A fully formed Druid query, built from a PartialDruidQuery.
DruidQueryRel	DruidRel that operates on top of a DruidTable directly (no joining or subqueries).
DruidRel<T extends DruidRel>
DruidRels
DruidUnionDataSourceRel	Represents a query on top of a UnionDataSource.
DruidUnionRel	Represents a "UNION ALL" of various input DruidRel.
Grouping	Represents Druid's concept of a "group by": dimensions, aggregations, post-aggregations, and 'having' filters.
PartialDruidQuery	Builder for a Druid query, not counting the "dataSource" (which will be slotted in later).
Projection	Used to represent projections (Calcite "Project").
Sorting	Represents Druid's concept of sorting and limiting, including post-sort projections.
Subtotals	Represents the Druid groupBy query concept of subtotals, which is similar to GROUPING SETS.
VirtualColumnRegistry	Provides facilities to create and re-use VirtualColumn definitions for dimensions, filters, and filtered aggregators while constructing a DruidQuery.

Enum Summary

Enum	Description
PartialDruidQuery.Stage

Exception Summary

Exception	Description
CannotBuildQueryException