尝试使用存储过程插入记录时出现奇怪的行为。
仅适用于set serveroutput on
:
感谢。
SQL*Plus: Release 11.2.0.1.0 Production on Tue May 31 22:48:25 2016
Copyright (c) 1982, 2010, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.3.0 - 64bit Production
With the Partitioning, Real Application Clusters, Automatic Storage Management, OLAP,
Data Mining and Real Application Testing options
SQL> exec abc_utils.abc_init(p_table_name => 'ABC_TEST', p_batch_alias => 'TST');
BEGIN abc_utils.abc_init(p_table_name => 'ABC_TEST', p_batch_alias => 'TST'); END;
*
ERROR at line 1:
ORA-01422: exact fetch returns more than requested number of rows
ORA-06512: at "TESTUSR.abc_utils", line 1743
ORA-06512: at line 1
SQL> set serveroutput on;
SQL> exec abc_utils.abc_init(p_table_name => 'ABC_TEST', p_batch_alias => 'TST');
PL/SQL procedure successfully completed.
PROCEDURE abc_init(p_table_name IN VARCHAR2,
p_batch_alias IN VARCHAR2) IS
v_sql VARCHAR2(32000);
--object caller variables
v_owner VARCHAR2(30 CHAR);
v_obj_name VARCHAR2(30 CHAR);
v_line_no NUMBER;
v_caller_type VARCHAR2(30 CHAR);
v_caller VARCHAR2(4000 CHAR);
BEGIN
owa_util.who_called_me(v_owner, v_obj_name, v_line_no, v_caller_type);
v_caller := 'Object Name: ' || $$plsql_unit || '; Caller Name: ' || v_obj_name || '; Caller Line: ' || to_char(v_line_no);
--initialise summary table
v_sql := 'INSERT INTO INIT_SUMMARY (BATCH_ALIAS,TABLE_NAME,START_DT,BATCH_USER,BATCH_RUN) ' ||
'SELECT a.BATCH_NAME,:1,:2,a.BATCH_USER,:3 FROM INIT_CFG a WHERE 1 = 1 AND BATCH_NAME = :4';
EXECUTE IMMEDIATE v_sql USING p_table_name,SYSDATE,summary_seq.nextval,p_batch_alias;
COMMIT;
EXCEPTION
WHEN OTHERS THEN
gv_err_msg := substr('Back Trace: ' ,1,4000);
RAISE_APPLICATION_ERROR(-20001,'abc_init: ' || gv_err_msg);
END abc_init;
--********************************************************************
答案 0 :(得分:3)
当会话引用包项时,Oracle数据库会为该会话实例化包。引用包的每个会话都有自己的包的实例化。
当Oracle数据库实例化一个包时,它会初始化它。初始化包括以下适用的任何一项: ......
- 执行包体的初始化部分
每次会话只发生一次这种情况。您对该过程的第一次调用将执行初始化部分。第二个电话没有。 set serveroutput on
没有任何影响,只是它是第二次调用,这是因为初始化不是第二次调用。
因此,错误来自包体的初始化部分,最后是正确的 - 在所有程序和功能等之后,您在最终begin
之前有end
包。类似的东西:
create or replace package body abc_utils as
...
some_var number; -- package state variable
...
procedure abc_init is
...
begin
...
end abc_init;
...
/* package initialisation */
begin
select some_col into some_var from some_table; -- line 1743
end abc_utils;
/
该块中的代码将包含第1743行,并且它将是select ... into
,它找到多行。您没有显示该代码,但这是您需要调查的代码。