org.apache.drill.exec.store.elasticsearch.plan

Class ElasticPlanTransformer.ElasticExpressionMapper

java.lang.Object

org.apache.calcite.rex.RexShuttle

org.apache.drill.exec.store.elasticsearch.plan.ElasticPlanTransformer.ElasticExpressionMapper

All Implemented Interfaces:

org.apache.calcite.rex.RexVisitor<org.apache.calcite.rex.RexNode>

Enclosing class:

ElasticPlanTransformer

public static class ElasticPlanTransformer.ElasticExpressionMapper
extends org.apache.calcite.rex.RexShuttle

Implementation of RexShuttle that replaces RexInputRef expressions with ITEM calls to _MAP field.

Constructor Summary

Constructors

Constructor and Description
ElasticExpressionMapper(org.apache.calcite.rex.RexBuilder rexBuilder, org.apache.calcite.rel.type.RelDataType relDataType, org.apache.calcite.rel.type.RelDataTypeField mapField)

Method Summary

Modifier and Type	Method and Description
org.apache.calcite.rex.RexNode	visitInputRef(org.apache.calcite.rex.RexInputRef inputRef)

Methods inherited from class org.apache.calcite.rex.RexShuttle

apply, apply, apply, mutate, visitArray, visitCall, visitCorrelVariable, visitDynamicParam, visitFieldAccess, visitFieldCollations, visitList, visitList, visitLiteral, visitLocalRef, visitOver, visitPatternFieldRef, visitRangeRef, visitSubQuery, visitTableInputRef, visitWindow

Methods inherited from class java.lang.Object

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

Constructor Detail

ElasticExpressionMapper

public ElasticExpressionMapper(org.apache.calcite.rex.RexBuilder rexBuilder,
                               org.apache.calcite.rel.type.RelDataType relDataType,
                               org.apache.calcite.rel.type.RelDataTypeField mapField)

Method Detail

visitInputRef

public org.apache.calcite.rex.RexNode visitInputRef(org.apache.calcite.rex.RexInputRef inputRef)

Specified by:

visitInputRef in interface org.apache.calcite.rex.RexVisitor<org.apache.calcite.rex.RexNode>

Overrides:

visitInputRef in class org.apache.calcite.rex.RexShuttle