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

  • Method Summary

    Modifier and Type
    Method
    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, computeSelfCost, copy, deepEquals, deepHashCode, equals, estimateRowCount, explain, getCluster, getConvention, getCorrelVariable, getDescription, getDigest, getExpectedInputRowType, getId, getInput, getInputs, getRelDigest, getRelTypeName, getRowType, getTable, getTraitSet, getVariablesSet, hashCode, isEnforcer, isValid, metadata, onRegister, recomputeDigest, register, replaceInput, sole, toString

    Methods inherited from class java.lang.Object

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

    Methods inherited from interface org.apache.calcite.rel.RelNode

    explain, fieldIsNullable, stripped

  • Constructor Details

    • ExternalTableScan

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

  • Method Details

    • 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