org.apache.calcite.tools

Class Programs.DecorrelateProgram

java.lang.Object

org.apache.calcite.tools.Programs.DecorrelateProgram

All Implemented Interfaces:

Program

Enclosing class:

Programs

private static class Programs.DecorrelateProgram
extends Object
implements Program

Program that de-correlates a query.

To work around [CALCITE-842] Decorrelator gets field offsets confused if fields have been trimmed, disable field-trimming in SqlToRelConverter, and run Programs.TrimFieldsProgram after this program.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	DecorrelateProgram()

Method Summary

Modifier and Type	Method and Description
RelNode	run(RelOptPlanner planner, RelNode rel, RelTraitSet requiredOutputTraits, List<RelOptMaterialization> materializations, List<RelOptLattice> lattices)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DecorrelateProgram

private DecorrelateProgram()

Method Detail

run

public RelNode run(RelOptPlanner planner,
                   RelNode rel,
                   RelTraitSet requiredOutputTraits,
                   List<RelOptMaterialization> materializations,
                   List<RelOptLattice> lattices)

Specified by:

run in interface Program