org.apache.druid.sql.calcite.external

Class ExternalTableScanRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.druid.sql.calcite.external.ExternalTableScanRule

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

Rule that converts an ExternalTableScan to a call to DruidQueryRel.scanExternal(org.apache.druid.sql.calcite.external.ExternalTableScan, org.apache.druid.sql.calcite.planner.PlannerContext). This class is exercised in CalciteInsertDmlTest but is not currently exposed to end users.

Field Summary

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
ExternalTableScanRule(PlannerContext plannerContext)

Method Summary

Modifier and Type	Method and Description
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

ExternalTableScanRule

public ExternalTableScanRule(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