Package org.apache.druid.segment.projections

package org.apache.druid.segment.projections

Related Packages

Package	Description
org.apache.druid.segment

Class	Description
ConstantTimeColumn
ProjectionFilterMatch	Terminal marker indicating that a Filter can be dropped because it matches the filter of a projection
ProjectionMatch	Transformed CursorBuildSpec to run against a projection and remapping of
ProjectionMatchBuilder	State holder used by Projections.matchAggregateProjection(org.apache.druid.segment.AggregateProjectionMetadata.Schema, org.apache.druid.segment.CursorBuildSpec, org.joda.time.Interval, org.apache.druid.segment.projections.Projections.PhysicalColumnChecker) for building a ProjectionMatch.
Projections
Projections.PhysicalColumnChecker	Returns true if column is defined in AggregateProjectionSpec.getGroupingColumns() OR if the column does not exist in the base table.
QueryableProjection<T>	Represents a projection of some base table available to use to build a CursorHolder by a CursorFactory.