org.apache.shardingsphere.core.merge.dql.groupby

Class GroupByMemoryMergedResult

java.lang.Object

org.apache.shardingsphere.core.merge.dql.common.MemoryMergedResult

org.apache.shardingsphere.core.merge.dql.groupby.GroupByMemoryMergedResult

All Implemented Interfaces:

MergedResult

public final class GroupByMemoryMergedResult
extends MemoryMergedResult

Memory merged result for group by.

Author:

zhangliang

Constructor Summary

Constructors

Constructor and Description
GroupByMemoryMergedResult(Map<String,Integer> labelAndIndexMap, List<QueryResult> queryResults, org.apache.shardingsphere.core.parse.antlr.sql.statement.dml.SelectStatement selectStatement)

Method Summary

Modifier and Type	Method and Description
boolean	next() iterate next data.

Methods inherited from class org.apache.shardingsphere.core.merge.dql.common.MemoryMergedResult

getCalendarValue, getCalendarValue, getInputStream, getInputStream, getValue, getValue, resetLabelAndIndexMap, wasNull

Methods inherited from class java.lang.Object

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

Constructor Detail

GroupByMemoryMergedResult

public GroupByMemoryMergedResult(Map<String,Integer> labelAndIndexMap,
                                 List<QueryResult> queryResults,
                                 org.apache.shardingsphere.core.parse.antlr.sql.statement.dml.SelectStatement selectStatement)
                          throws SQLException

Throws:

SQLException

Method Detail

next

public boolean next()

Description copied from interface: MergedResult

iterate next data.

Returns:

has next data