org.apache.calcite.adapter.spark

Class JdbcToSparkConverterRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.convert.ConverterRule

org.apache.calcite.adapter.spark.JdbcToSparkConverterRule

public class JdbcToSparkConverterRule
extends ConverterRule

Rule to convert a relational expression from JdbcConvention to Spark convention.

Field Summary

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

description, operands, relBuilderFactory

Constructor Summary

Constructors

Constructor and Description
JdbcToSparkConverterRule(JdbcConvention out)

Method Summary

Methods

Modifier and Type	Method and Description
RelNode	convert(RelNode rel)

Methods inherited from class org.apache.calcite.rel.convert.ConverterRule

getInTrait, getOutConvention, getOutTrait, getTraitDef, isGuaranteed, onMatch

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

any, convert, convert, convertList, convertOperand, equals, equals, getOperand, getOperands, hashCode, matches, none, operand, operand, operand, operand, operand, some, toString, unordered

Methods inherited from class java.lang.Object

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

Constructor Detail

JdbcToSparkConverterRule

JdbcToSparkConverterRule(JdbcConvention out)

Method Detail

convert

public RelNode convert(RelNode rel)

Specified by:

convert in class ConverterRule