org.apache.shardingsphere.core.merge.dql

Class DQLMergeEngine

java.lang.Object

org.apache.shardingsphere.core.merge.dql.DQLMergeEngine

All Implemented Interfaces:

MergeEngine

public final class DQLMergeEngine
extends Object
implements MergeEngine

DQL result set merge engine.

Author:

zhangliang, panjuan

Constructor Summary

Constructors

Constructor and Description
DQLMergeEngine(org.apache.shardingsphere.core.constant.DatabaseType databaseType, org.apache.shardingsphere.core.route.SQLRouteResult routeResult, List<QueryResult> queryResults)

Method Summary

Modifier and Type	Method and Description
MergedResult	merge() Merge result sets.

Methods inherited from class java.lang.Object

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

Constructor Detail

DQLMergeEngine

public DQLMergeEngine(org.apache.shardingsphere.core.constant.DatabaseType databaseType,
                      org.apache.shardingsphere.core.route.SQLRouteResult routeResult,
                      List<QueryResult> queryResults)
               throws SQLException

Throws:

SQLException

Method Detail

merge

public MergedResult merge()
                   throws SQLException

Description copied from interface: MergeEngine

Merge result sets.

Specified by:

merge in interface MergeEngine

Returns:

merged result set.

Throws:

SQLException - SQL exception