使用数据泵导出时无法重新映射数据

问题描述

谁能帮助我导出数据泵。我尝试了很多组合。但是,我总是得到:

ORA-39001: invalid argument value
ORA-06512: at "SYS.DBMS_SYS_ERROR",line 79
ORA-06512: at "SYS.DBMS_DATAPUMP",line 4932
ORA-06512: at "SYS.DBMS_DATAPUMP",line 5768
ORA-06512: at line 38

对此有什么建议吗?

CREATE TABLE foo
(
  bar VARCHAR2(10)
);

INSERT INTO FOO VALUES('hello');
INSERT INTO FOO VALUES('world');
COMMIT;


create or replace package pkg
 is
  function tst(p_val varchar2) return varchar2;
end pkg;
/

create or replace package body pkg
 as
function tst(p_val varchar2) return varchar2 is
begin
 return p_val;
end;
end pkg;
/



DECLARE 
  h1 NUMBER;
  l_status varchar2(200);
BEGIN

    h1 := DBMS_DATAPUMP.OPEN(
      operation => 'EXPORT',job_mode => 'TABLE',remote_link => NULL,job_name => 'exp_1',version => 'LATEST'
    );

    DBMS_DATAPUMP.ADD_FILE(
      handle => h1,filename => 'export.dmp',reusefile => 1,directory => 'DBOUT',filetype => DBMS_DATAPUMP.KU$_FILE_TYPE_DUMP_FILE);
      
    DBMS_DATAPUMP.ADD_FILE(
      handle => h1,filename => 'export.log',filetype => DBMS_DATAPUMP.KU$_FILE_TYPE_LOG_FILE
    );

    DBMS_DATAPUMP.METADATA_FILTER(
      handle => h1,name => 'NAME_EXPR',value => 'IN (SELECT table_name FROM user_tables WHERE table_name LIKE ''FOO%'')',object_type => 'TABLE'
    );

    DBMS_DATAPUMP.DATA_REMAP(
      handle => h1,name => 'COLUMN_FUNCTION',table_name => 'FOO',column => 'BAR',function => 'pkg.tst'
    );

    
   DBMS_DATAPUMP.start_job(h1);
   DBMS_DATAPUMP.wait_for_job(h1,l_status);
   dbms_output.put_line( l_status );

END;
/

关于文档,它应该可以工作。没有?

https://docs.oracle.com/en/database/oracle/oracle-database/12.2/arpls/DBMS_DATAPUMP.html#GUID-2C61513F-9040-4CE3-8C22-ED1FA5FF81DD

欢迎任何建议,

问候,

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