io.druid.query.select

Class SelectQueryEngine.StringSelectColumnSelectorStrategy

java.lang.Object

io.druid.query.select.SelectQueryEngine.StringSelectColumnSelectorStrategy

All Implemented Interfaces:

ColumnSelectorStrategy, SelectQueryEngine.SelectColumnSelectorStrategy<DimensionSelector>

Enclosing class:

SelectQueryEngine

public static class SelectQueryEngine.StringSelectColumnSelectorStrategy
extends Object
implements SelectQueryEngine.SelectColumnSelectorStrategy<DimensionSelector>

Constructor Summary

Constructors

Constructor and Description
StringSelectColumnSelectorStrategy()

Method Summary

Modifier and Type	Method and Description
void	addRowValuesToSelectResult(String outputName, DimensionSelector selector, Map<String,Object> resultMap) Read the current row from selector and add the row values for a dimension to the result map.

Methods inherited from class java.lang.Object

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

Constructor Detail

StringSelectColumnSelectorStrategy

public StringSelectColumnSelectorStrategy()

Method Detail

addRowValuesToSelectResult

public void addRowValuesToSelectResult(String outputName,
                                       DimensionSelector selector,
                                       Map<String,Object> resultMap)

Description copied from interface: SelectQueryEngine.SelectColumnSelectorStrategy

Read the current row from selector and add the row values for a dimension to the result map. Multi-valued rows should be added to the result as a List, single value rows should be added as a single object.

Specified by:

addRowValuesToSelectResult in interface SelectQueryEngine.SelectColumnSelectorStrategy<DimensionSelector>

Parameters:

outputName - Output name for this dimension in the select query being served

selector - Dimension value selector

resultMap - Row value map for the current row being retrieved by the select query