org.apache.hadoop.hive.ql.parse

Class DruidSqlOperatorConverter.DruidSubstringOperatorConversion

java.lang.Object

org.apache.calcite.adapter.druid.SubstringOperatorConversion

org.apache.hadoop.hive.ql.parse.DruidSqlOperatorConverter.DruidSubstringOperatorConversion

All Implemented Interfaces:

org.apache.calcite.adapter.druid.DruidSqlOperatorConverter

Enclosing class:

DruidSqlOperatorConverter

public static class DruidSqlOperatorConverter.DruidSubstringOperatorConversion
extends org.apache.calcite.adapter.druid.SubstringOperatorConversion

Druid operator converter from Hive Substring to Druid SubString. This is a temporary fix that can be removed once we move to a Calcite version including the following. https://issues.apache.org/jira/browse/CALCITE-2226

Constructor Summary

Constructors

Constructor and Description
DruidSubstringOperatorConversion()

Method Summary

Modifier and Type	Method and Description
String	toDruidExpression(org.apache.calcite.rex.RexNode rexNode, org.apache.calcite.rel.type.RelDataType rowType, org.apache.calcite.adapter.druid.DruidQuery query)

Methods inherited from class org.apache.calcite.adapter.druid.SubstringOperatorConversion

calciteOperator

Methods inherited from class java.lang.Object

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

Constructor Detail

DruidSubstringOperatorConversion

public DruidSubstringOperatorConversion()

Method Detail

toDruidExpression

@Nullable
public String toDruidExpression(org.apache.calcite.rex.RexNode rexNode,
                                          org.apache.calcite.rel.type.RelDataType rowType,
                                          org.apache.calcite.adapter.druid.DruidQuery query)

Specified by:

toDruidExpression in interface org.apache.calcite.adapter.druid.DruidSqlOperatorConverter

Overrides:

toDruidExpression in class org.apache.calcite.adapter.druid.SubstringOperatorConversion