io.shardingsphere.core.merger.dql.groupby

类 GroupByStreamMergedResult

java.lang.Object

io.shardingsphere.core.merger.dql.common.StreamMergedResult

io.shardingsphere.core.merger.dql.orderby.OrderByStreamMergedResult

io.shardingsphere.core.merger.dql.groupby.GroupByStreamMergedResult

所有已实现的接口:

MergedResult

public final class GroupByStreamMergedResult
extends OrderByStreamMergedResult

Stream merged result for group by.

作者:

zhangliang

构造器概要

构造器

构造器和说明
GroupByStreamMergedResult(Map<String,Integer> labelAndIndexMap, List<QueryResult> queryResults, SelectStatement selectStatement)

方法概要

限定符和类型	方法和说明
Object	getCalendarValue(int columnIndex, Class<?> type, Calendar calendar) Get calendar value.
Object	getCalendarValue(String columnLabel, Class<?> type, Calendar calendar) Get calendar value.
Object	getValue(int columnIndex, Class<?> type) Get data value.
Object	getValue(String columnLabel, Class<?> type) Get data value.
boolean	next() iterate next data.

从类继承的方法 io.shardingsphere.core.merger.dql.common.StreamMergedResult

getCurrentQueryResult, getInputStream, getInputStream, wasNull

从类继承的方法 java.lang.Object

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

构造器详细资料

GroupByStreamMergedResult

public GroupByStreamMergedResult(Map<String,Integer> labelAndIndexMap,
                                 List<QueryResult> queryResults,
                                 SelectStatement selectStatement)
                          throws SQLException

抛出:

SQLException

方法详细资料

next

public boolean next()
             throws SQLException

从接口复制的说明: MergedResult

iterate next data.

指定者:

next 在接口中 MergedResult

覆盖:

next 在类中 OrderByStreamMergedResult

返回:

has next data

抛出:

SQLException - SQL Exception

getValue

public Object getValue(int columnIndex,
                       Class<?> type)

从接口复制的说明: MergedResult

Get data value.

指定者:

getValue 在接口中 MergedResult

覆盖:

getValue 在类中 StreamMergedResult

参数:

columnIndex - column index

type - class type of data value

返回:

data value

getValue

public Object getValue(String columnLabel,
                       Class<?> type)

从接口复制的说明: MergedResult

Get data value.

指定者:

getValue 在接口中 MergedResult

覆盖:

getValue 在类中 StreamMergedResult

参数:

columnLabel - column label

type - class type of data value

返回:

data value

getCalendarValue

public Object getCalendarValue(int columnIndex,
                               Class<?> type,
                               Calendar calendar)

从接口复制的说明: MergedResult

Get calendar value.

指定者:

getCalendarValue 在接口中 MergedResult

覆盖:

getCalendarValue 在类中 StreamMergedResult

参数:

columnIndex - column index

type - class type of data value

calendar - calendar

返回:

calendar value

getCalendarValue

public Object getCalendarValue(String columnLabel,
                               Class<?> type,
                               Calendar calendar)

从接口复制的说明: MergedResult

Get calendar value.

指定者:

getCalendarValue 在接口中 MergedResult

覆盖:

getCalendarValue 在类中 StreamMergedResult

参数:

columnLabel - column label

type - class type of data value

calendar - calendar

返回:

calendar value