org.apache.calcite.rel.core

Interface RelFactories.ProjectFactory

Enclosing class:

RelFactories

public static interface RelFactories.ProjectFactory

Can create a LogicalProject of the appropriate type for this rule's calling convention.

Method Summary

Modifier and Type	Method and Description
RelNode	createProject(RelNode input, List<RelHint> hints, List<? extends RexNode> childExprs, @Nullable List<? extends String> fieldNames) Creates a project.

Method Detail

createProject

RelNode createProject(RelNode input,
                      List<RelHint> hints,
                      List<? extends RexNode> childExprs,
                      @Nullable List<? extends String> fieldNames)

Creates a project.

Parameters:

input - The input

hints - The hints

childExprs - The projection expressions

fieldNames - The projection field names

Returns:

a project