Package 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.

  • Nested Class Summary

    Nested classes/interfaces inherited from class org.apache.calcite.plan.RelOptRule

    org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

  • Field Summary

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

    description, operands, relBuilderFactory

  • Constructor Summary

    Constructors
    Constructor
    Description
    DruidUnionDataSourceRule(PlannerContext plannerContext)
     

  • Method Summary

    Modifier and Type
    Method
    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, 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 Details

    • DruidUnionDataSourceRule

      public DruidUnionDataSourceRule(PlannerContext plannerContext)

  • Method Details

    • 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)