org.apache.calcite.adapter.druid

Class DruidRules.DruidProjectRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.adapter.druid.DruidRules.DruidProjectRule

Enclosing class:

DruidRules

private static class DruidRules.DruidProjectRule
extends RelOptRule

Rule to push a Project into a DruidQuery.

Field Summary

Fields inherited from class org.apache.calcite.plan.RelOptRule

description, operands, relBuilderFactory

Constructor Summary

Constructors

Modifier	Constructor and Description
private	DruidProjectRule()

Method Summary

Modifier and Type	Method and Description
private static boolean	canProjectAll(List<RexNode> nodes)
void	onMatch(RelOptRuleCall call)
private static Pair<List<RexNode>,List<RexNode>>	splitProjects(RexBuilder rexBuilder, RelNode input, List<RexNode> nodes)

Methods inherited from class org.apache.calcite.plan.RelOptRule

any, convert, convert, convertList, convertOperand, equals, equals, getOperand, getOperands, getOutConvention, getOutTrait, hashCode, matches, none, operand, operand, operand, operand, operand, some, toString, unordered

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

DruidProjectRule

private DruidProjectRule()

Method Detail

onMatch

public void onMatch(RelOptRuleCall call)

Specified by:

onMatch in class RelOptRule

canProjectAll

private static boolean canProjectAll(List<RexNode> nodes)

splitProjects

private static Pair<List<RexNode>,List<RexNode>> splitProjects(RexBuilder rexBuilder,
                                                               RelNode input,
                                                               List<RexNode> nodes)