titan doc

1, 更新sql文件; OBJECT_ID 默认为''

doc/create_table_sql/sharpe/create_table_AShareDescription.sql

@@ -10,7 +10,7 @@ USE sharpe;
 
 DROP TABLE IF EXISTS tbl_AShareDescription;
 CREATE TABLE tbl_AShareDescription (
-  `OBJECT_ID` VARCHAR(100) COMMENT '对象ID', 
+  `OBJECT_ID` VARCHAR(100) DEFAULT '' COMMENT '对象ID', 
   `S_INFO_CODE` VARCHAR(40) DEFAULT '' COMMENT '交易代码',
   `S_INFO_NAME` VARCHAR(50) DEFAULT '' COMMENT '证券简称',
   `S_INFO_COMPNAME` VARCHAR(100) DEFAULT '' COMMENT '公司中文名字',