org.apache.calcite.adapter.spark

Class EnumerableToSparkConverterRule

java.lang.Object

org.apache.calcite.plan.RelOptRule

org.apache.calcite.rel.convert.ConverterRule

org.apache.calcite.adapter.spark.EnumerableToSparkConverterRule

public class EnumerableToSparkConverterRule
extends ConverterRule

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

Field Summary

Fields

Modifier and Type	Field and Description
static EnumerableToSparkConverterRule	INSTANCE

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

description, operands

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, 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

Field Detail

INSTANCE

public static final EnumerableToSparkConverterRule INSTANCE

Method Detail

convert

public RelNode convert(RelNode rel)

Specified by:

convert in class ConverterRule