refactor tweaks

Author: mythz

src/ServiceStack.OrmLite.Oracle/OracleOrmLiteDialectProvider.cs

@@ -1123,7 +1123,7 @@ public override string ToSelectStatement(ModelDefinition modelDef,
             sbInner.Append(bodyExpression);
 
             if (!rows.HasValue)
-                return sbInner.ToString();
+                return sbInner + orderByExpression;
 
             if (!offset.HasValue)
             {

src/ServiceStack.OrmLite.SqlServer/SqlServerOrmLiteDialectProvider.cs

@@ -395,7 +395,7 @@ public override string ToSelectStatement(ModelDefinition modelDef,
                     return sql;
 
                 if (sql.Length < "SELECT".Length) return sql;
-                sql = selectType + " TOP " + take + sql.Substring(selectType.Length, sql.Length - selectType.Length);
+                sql = selectType + " TOP " + take + sql.Substring(selectType.Length);
                 return sql;
             }