fix #382

sharding-jdbc-core/src/main/java/com/dangdang/ddframe/rdb/sharding/api/rule/ShardingRule.java

@@ -181,6 +181,21 @@ public final class ShardingRule {
         return !bindingTables.isEmpty() && bindingTables.containsAll(logicTables);
     }
     
+    /**
+     * Adjust logic tables is all belong to default data source.
+     *
+     * @param logicTables names of logic tables
+     * @return logic tables is all belong to default data source
+     */
+    public boolean isAllInDefaultDataSource(final Collection<String> logicTables) {
+        for (String each : logicTables) {
+            if (tryFindTableRule(each).isPresent()) {
+                return false;
+            }
+        }
+        return true;
+    }
+    
     /**
      * Filter all binding tables.
      * 

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

@@ -108,7 +108,7 @@ public final class ParsingSQLRouter implements SQLRouter {
     private RoutingResult route(final List<Object> parameters, final SQLStatement sqlStatement) {
         Collection<String> tableNames = sqlStatement.getTables().getTableNames();
         RoutingEngine routingEngine;
-        if (1 == tableNames.size() || shardingRule.isAllBindingTables(tableNames)) {
+        if (1 == tableNames.size() || shardingRule.isAllBindingTables(tableNames) || shardingRule.isAllInDefaultDataSource(tableNames)) {
             routingEngine = new SimpleRoutingEngine(shardingRule, parameters, tableNames.iterator().next(), sqlStatement);
         } else {
             // TODO config for cartesian set