org.apache.calcite.adapter.spark

Class SparkHandlerImpl

java.lang.Object

org.apache.calcite.adapter.spark.SparkHandlerImpl

All Implemented Interfaces:

org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

public class SparkHandlerImpl
extends Object
implements org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

Implementation of CalcitePrepare.SparkHandler. Gives the core Calcite engine access to rules that only exist in the Spark module.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

org.apache.calcite.jdbc.CalcitePrepare.SparkHandler.RuleSetBuilder

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.runtime.ArrayBindable	compile(org.apache.calcite.linq4j.tree.ClassDeclaration expr, String s)
boolean	enabled()
org.apache.calcite.rel.RelNode	flattenTypes(org.apache.calcite.plan.RelOptPlanner planner, org.apache.calcite.rel.RelNode rootRel, boolean restructure)
static org.apache.calcite.jdbc.CalcitePrepare.SparkHandler	instance() Creates a SparkHandlerImpl, initializing on first call.
void	registerRules(org.apache.calcite.jdbc.CalcitePrepare.SparkHandler.RuleSetBuilder builder)
Object	sparkContext()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Method Detail

instance

public static org.apache.calcite.jdbc.CalcitePrepare.SparkHandler instance()

Creates a SparkHandlerImpl, initializing on first call. Calcite-core calls this via reflection.

flattenTypes

public org.apache.calcite.rel.RelNode flattenTypes(org.apache.calcite.plan.RelOptPlanner planner,
                                                   org.apache.calcite.rel.RelNode rootRel,
                                                   boolean restructure)

Specified by:

flattenTypes in interface org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

registerRules

public void registerRules(org.apache.calcite.jdbc.CalcitePrepare.SparkHandler.RuleSetBuilder builder)

Specified by:

registerRules in interface org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

sparkContext

public Object sparkContext()

Specified by:

sparkContext in interface org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

enabled

public boolean enabled()

Specified by:

enabled in interface org.apache.calcite.jdbc.CalcitePrepare.SparkHandler

compile

public org.apache.calcite.runtime.ArrayBindable compile(org.apache.calcite.linq4j.tree.ClassDeclaration expr,
                                                        String s)

Specified by:

compile in interface org.apache.calcite.jdbc.CalcitePrepare.SparkHandler