Package org.apache.drill.exec.planner.sql.logical

Class ConvertHiveParquetScanToDrillParquetScan

java.lang.Object
org.apache.calcite.plan.RelOptRule
org.apache.drill.exec.store.StoragePluginOptimizerRule
org.apache.drill.exec.planner.sql.logical.ConvertHiveParquetScanToDrillParquetScan
public class ConvertHiveParquetScanToDrillParquetScan extends StoragePluginOptimizerRule
Convert Hive scan to use Drill's native parquet reader instead of Hive's native reader. It also adds a project to convert/cast the output of Drill's native parquet reader to match the expected output of Hive's native reader.

  • Nested Class Summary

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

    org.apache.calcite.plan.RelOptRule.ConverterRelOptRuleOperand

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    static final ConvertHiveParquetScanToDrillParquetScan
    INSTANCE
     

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

    description, operands, relBuilderFactory

  • Method Summary

    Modifier and Type
    Method
    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

  • Field Details

  • 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