org.apache.druid.sql.calcite.external

Class ExternalTableScan

java.lang.Object

org.apache.calcite.rel.AbstractRelNode

org.apache.druid.sql.calcite.external.ExternalTableScan

All Implemented Interfaces:

Cloneable, org.apache.calcite.plan.RelOptNode, org.apache.calcite.rel.RelNode

public class ExternalTableScan
extends org.apache.calcite.rel.AbstractRelNode

Represents a scan of an external table. Generated by ExternalTable, which represents an ExternalDataSource. This class is exercised in CalciteInsertDmlTest but is not currently exposed to end users.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.rel.RelNode

org.apache.calcite.rel.RelNode.Context

Field Summary

Fields inherited from class org.apache.calcite.rel.AbstractRelNode

digest, id, rowType, traitSet

Constructor Summary

Constructors

Constructor and Description
ExternalTableScan(org.apache.calcite.plan.RelOptCluster cluster, com.fasterxml.jackson.databind.ObjectMapper jsonMapper, ExternalTable druidTable)

Method Summary

Modifier and Type	Method and Description
protected org.apache.calcite.rel.type.RelDataType	deriveRowType()
org.apache.calcite.rel.RelWriter	explainTerms(org.apache.calcite.rel.RelWriter pw)
DruidTable	getDruidTable()

Methods inherited from class org.apache.calcite.rel.AbstractRelNode

accept, accept, childrenAccept, collectVariablesSet, collectVariablesUsed, computeDigest, computeSelfCost, computeSelfCost, copy, equals, estimateRowCount, explain, getChildExps, getCluster, getCollationList, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getQuery, getRelTypeName, getRows, getRowType, getTable, getTraitSet, getVariablesSet, getVariablesStopped, hashCode, isDistinct, isKey, isValid, isValid, metadata, onRegister, recomputeDigest, register, replaceInput, sole, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

ExternalTableScan

public ExternalTableScan(org.apache.calcite.plan.RelOptCluster cluster,
                         com.fasterxml.jackson.databind.ObjectMapper jsonMapper,
                         ExternalTable druidTable)

Method Detail

getDruidTable

public DruidTable getDruidTable()

deriveRowType

protected org.apache.calcite.rel.type.RelDataType deriveRowType()

Overrides:

deriveRowType in class org.apache.calcite.rel.AbstractRelNode

explainTerms

public org.apache.calcite.rel.RelWriter explainTerms(org.apache.calcite.rel.RelWriter pw)

Overrides:

explainTerms in class org.apache.calcite.rel.AbstractRelNode