WHENEVER SQLERROR EXIT AND DDL

1.
SQL> create table test_ddl(id int ,name char(10),addr char(20));

Table created.

SQL> desc test_ddl;
Name    Null?    Type
----------------------------------------- -------- ----------------------------
ID     NUMBER(38)
NAME     CHAR(10)
ADDR     CHAR(20)


SQL> ! cat all.txt
WHENEVER SQLERROR EXIT
@t1.sql

SQL> ! cat t1.sql
alter table test_ddl add(name char(200));
alter table test_ddl add(systag char(200));

SQL> 

SQL> @all.txt
alter table test_ddl add(name char(200))
                         *
ERROR at line 1:
ORA-01430: 表中已存在要添加的列


Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@yyjk 20190430]$ sqlplus tlcbuser/tlcbuser

SQL*Plus: Release 11.2.0.4.0 Production on 星期二 4月 30 15:51:28 2019

Copyright (c) 1982, 2013, Oracle.  All rights reserved.


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

SQL> desc test_ddl
Name    Null?    Type
----------------------------------------- -------- ----------------------------
ID     NUMBER(38)
NAME     CHAR(10)
ADDR     CHAR(20)

SQL> quit


此時遇到錯誤,直接退出了


SQL> desc test_ddl
Name    Null?    Type
----------------------------------------- -------- ----------------------------
ID     NUMBER(38)
NAME     CHAR(10)
ADDR     CHAR(20)

SQL> @t1.sql
alter table test_ddl add(name char(200))
                         *
ERROR at line 1:
ORA-01430: 表中已存在要添加的列



Table altered.

SQL> desc test_ddl
Name    Null?    Type
----------------------------------------- -------- ----------------------------
ID     NUMBER(38)
NAME     CHAR(10)
ADDR     CHAR(20)
SYSTAG      CHAR(200)

SQL>