org.apache.druid.sql.calcite.rule

Class DruidUnionDataSourceRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.druid.sql.calcite.rule.DruidUnionDataSourceRule

public class DruidUnionDataSourceRule
extends org.apache.calcite.plan.RelOptRule

Creates a DruidUnionDataSourceRel from various DruidQueryRel inputs that represent simple table scans.

Field Summary

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
DruidUnionDataSourceRule(PlannerContext plannerContext)

Method Summary

Modifier and Type	Method and Description
static boolean	isCompatible(org.apache.calcite.rel.core.Union unionRel, DruidRel<?> first, DruidRel<?> second, PlannerContext plannerContext)
boolean	matches(org.apache.calcite.plan.RelOptRuleCall call)
void	onMatch(org.apache.calcite.plan.RelOptRuleCall call)

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

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

Methods inherited from class java.lang.Object

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

Constructor Detail

DruidUnionDataSourceRule

public DruidUnionDataSourceRule(PlannerContext plannerContext)

Method Detail

matches

public boolean matches(org.apache.calcite.plan.RelOptRuleCall call)

Overrides:

matches in class org.apache.calcite.plan.RelOptRule

onMatch

public void onMatch(org.apache.calcite.plan.RelOptRuleCall call)

Specified by:

onMatch in class org.apache.calcite.plan.RelOptRule

isCompatible

public static boolean isCompatible(org.apache.calcite.rel.core.Union unionRel,
                                   DruidRel<?> first,
                                   DruidRel<?> second,
                                   @Nullable
                                   PlannerContext plannerContext)