Merge branch '1.5.0.M4-SNAPSHOT' of...

Merge branch '1.5.0.M4-SNAPSHOT' of https://github.com/dangdangdotcom/sharding-jdbc into 1.5.0.M4-SNAPSHOT

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/routing/SQLRouteResult.java

@@ -21,7 +21,7 @@ import com.dangdang.ddframe.rdb.sharding.parsing.parser.statement.SQLStatement;
 import lombok.Getter;
 import lombok.RequiredArgsConstructor;
 
-import java.util.HashSet;
+import java.util.LinkedHashSet;
 import java.util.LinkedList;
 import java.util.List;
 import java.util.Set;
@@ -38,7 +38,7 @@ public final class SQLRouteResult {
     
     private final SQLStatement sqlStatement;
     
-    private final Set<SQLExecutionUnit> executionUnits = new HashSet<>();
+    private final Set<SQLExecutionUnit> executionUnits = new LinkedHashSet<>();
     
     private final List<Number> generatedKeys = new LinkedList<>();
 }

sharding-jdbc-core/src/test/resources/integrate/dataset/tbl/expect/select/SelectIteratorSql_2.xml

 <dataset>
-    <t_order_item item_id="100900" order_id="1009" user_id="10" status="init" />
     <t_order_item item_id="100000" order_id="1000" user_id="10" status="init" />
+    <t_order_item item_id="100900" order_id="1009" user_id="10" status="init" />
 </dataset>