org.apache.calcite.adapter.druid

Class DruidQuery.Translator

java.lang.Object

org.apache.calcite.adapter.druid.DruidQuery.Translator

Enclosing class:

DruidQuery

private static class DruidQuery.Translator
extends Object

Translates scalar expressions to Druid field references.

Field Summary

Fields

Modifier and Type	Field and Description
(package private) List<String>	dimensions
(package private) DruidTable	druidTable
(package private) List<String>	metrics
(package private) RelDataType	rowType

Constructor Summary

Constructors

Constructor and Description
Translator(DruidTable druidTable, RelDataType rowType)

Method Summary

Modifier and Type	Method and Description
private String	tr(RexNode call, int index)
private String	tr(RexNode call, int index, boolean set)
(package private) String	translate(RexNode e, boolean set)
private DruidQuery.JsonFilter	translateFilter(RexNode e)
private List<DruidQuery.JsonFilter>	translateFilters(List<RexNode> operands)

Methods inherited from class java.lang.Object

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

Field Detail

dimensions

final List<String> dimensions

metrics

final List<String> metrics

druidTable

final DruidTable druidTable

rowType

final RelDataType rowType

Constructor Detail

Translator

Translator(DruidTable druidTable,
           RelDataType rowType)

Method Detail

translate

String translate(RexNode e,
                 boolean set)

translateFilter

private DruidQuery.JsonFilter translateFilter(RexNode e)

tr

private String tr(RexNode call,
                  int index)

tr

private String tr(RexNode call,
                  int index,
                  boolean set)

translateFilters

private List<DruidQuery.JsonFilter> translateFilters(List<RexNode> operands)