Question

以下过程失败，并且＆＃34; ORA-0097：缺少等号错误＆＃34;。

CREATE PROCEDURE AMEPSA.USP_ETL_BATCH_MASTER_UPDATE
    (ENVIRONMENT in VARCHAR2, BATCH_STATUS in VARCHAR2, BATCH_USER_ID VARCHAR2, BATCH_JOB_NAME VARCHAR2)

AS

BEGIN
    IF (BATCH_STATUS = 'Running') THEN
        EXECUTE IMMEDIATE  'UPDATE AMEPSA.ETL_BATCH_MASTER SET
                            BATCH_STATUS_' || ENVIRONMENT || ' = ' || '''' || BATCH_STATUS || '''' || ',
                            BATCH_JOB_NAME_' || ENVIRONMENT || ' = ' || '''' || BATCH_JOB_NAME || '''' || ',' ||
                            'BATCH_USER_ID_' || ENVIRONMENT || ' = ' || '''' || BATCH_USER_ID || '''' || ',' ||
                            'BATCH_START_DATE_' || ENVIRONMENT || ' = TO_DATE(' || '''' || TO_CHAR(SYSDATE, 'MM/DD/YYYY HH24:MI:SS') || '''' || ', ' || '''' || 'MM/DD/YYYY HH24:MI:SS' || '''' || ') ' || ',' ||
                            'BATCH_END_DATE_' || ENVIRONMENT || ' = ' || 'NULL' || '
                            WHERE BATCH_NBR = (SELECT MAX(BATCH_NBR) FROM AMEPSA.ETL_BATCH_MASTER)';
    ELSE
        EXECUTE IMMEDIATE   'UPDATE AMEPSA.ETL_BATCH_MASTER SET
                            BATCH_STATUS_' || ENVIRONMENT || ' = ' || '''' || BATCH_STATUS || '''' || ',
                            BATCH_JOB_NAME_' || ENVIRONMENT || ' = ' || '''' || BATCH_JOB_NAME || '''' || ',' ||
                            'BATCH_END_DATE_' || ENVIRONMENT || ' = ' || 'TO_DATE(' || '''' || TO_CHAR(SYSDATE, 'MM/DD/YYYY HH24:MI:SS') || '''' || ', ' || '''' || 'MM/DD/YYYY HH24:MI:SS' || '''' || ')
                            WHERE BATCH_NBR = (SELECT MAX(BATCH_NBR) FROM AMEPSA.ETL_BATCH_MASTER)';
    END IF;

    COMMIT;

END;
GO

在调试问题时，我们用DBMS_OUTPUT.PUT_LINE语句替换了EXECUTE IMMEDIATE语句。执行此操作后，该过程返回一个成功执行的字符串（下面），没有语法错误。

UPDATE AMEPSA.ETL_BATCH_MASTER 

SET BATCH_STATUS_STAGE = 'Running',
    BATCH_JOB_NAME_STAGE = 'wf_TADM_Stage',
    BATCH_END_DATE_STAGE = TO_DATE('08/14/2017 15:42:00', 'MM/DD/YYYY HH24:MI:SS')
WHERE BATCH_NBR = (SELECT MAX(BATCH_NBR) FROM AMEPSA.ETL_BATCH_MASTER)

当DBMS_OUTPUT.PUT_LINE语句返回的结果字符串在语法上是正确的时，为什么EXECUTE IMMEDIATE语句会认为它缺少等号？

Informatica完全例外：

严重性：错误时间戳：8/15/2017 9:46:10 AM节点：didre2007   主题：TRANSF_1_1_1进程ID：9072消息代码：CMN_1022消息：   数据库驱动程序错误... CMN_1022 [ORA-00927：缺少等号   ORA-06512：at＆＃34; AMEPSA.USP_ETL_BATCH_MASTER_UPDATE＆＃34;，第14行ORA-06512：   在第2行

数据库驱动程序错误...函数名称：ExecuteSP

Oracle致命错误数据库驱动程序错误...函数名称：ExecuteSP

Oracle致命错误]

Answer 1

看起来传递给过程的参数值有单引号;特别是第一个，但可能全部。您可以通过直接调用来复制：

exec USP_ETL_BATCH_MASTER_UPDATE('''STAGE''', '''Running''', '''someuser''', '''wf_TADM_Stage''');

得到

Error report -
ORA-00927: missing equal sign
ORA-06512: at "AMEPSA.USP_ETL_BATCH_MASTER_UPDATE", line 14
ORA-06512: at line 1
00927. 00000 -  "missing equal sign"

或只是

exec USP_ETL_BATCH_MASTER_UPDATE('''STAGE''', 'Running', 'someuser', 'wf_TADM_Stage');

进入另一个分支并得到：

Error report -
ORA-00927: missing equal sign
ORA-06512: at "AMEPSA.USP_ETL_BATCH_MASTER_UPDATE", line 6
ORA-06512: at line 1
00927. 00000 -  "missing equal sign"

通过调试显示代码执行之前，你可以看到它最终试图运行它：

UPDATE AMEPSA.ETL_BATCH_MASTER SET
                                        BATCH_STATUS_'STAGE' = 'Running',
                                        BATCH_JOB_NAME_'STAGE' = 'wf_TADM_Stage',BATCH_USER_ID_'STAGE' = 'someuser',BATCH_START_DATE_'STAGE' = TO_DATE('08/15/2017 19:37:00', 'MM/DD/YYYY HH24:MI:SS') ,BATCH_END_DATE_'STAGE' = NULL
                                   WHERE BATCH_NBR = (SELECT MAX(BATCH_NBR) FROM AMEPSA.ETL_BATCH_MASTER)

报价不当; BATCH_STATUS_'STAGE'构造正在抛出异常。

如果在没有这些额外单引号的情况下调用，那么您所显示的内容在任何一个分支中都有效。

因此，您需要了解为什么Informatica会添加这些单引号 - 可能只是开发人员对如何将字符串作为参数进行处理的混淆 - 并阻止它执行此操作。问题不在您展示的代码中，如果没有看到Informatica代码，我就不能更具体地说明它应该如何修复。

顺便提一下，在评论中提到您可以通过using子句使用绑定变量，而不是将sysdate转换为字符串并返回;它与您获得的错误无关，但可能如下：

CREATE PROCEDURE AMEPSA.USP_ETL_BATCH_MASTER_UPDATE
  (ENVIRONMENT in VARCHAR2, BATCH_STATUS in VARCHAR2, BATCH_USER_ID VARCHAR2, BATCH_JOB_NAME VARCHAR2)
AS
BEGIN
    IF (BATCH_STATUS = 'Running') THEN
        EXECUTE IMMEDIATE  'UPDATE AMEPSA.ETL_BATCH_MASTER SET'
                || ' BATCH_STATUS_' || ENVIRONMENT || ' = :BATCH_STATUS,'
                || ' BATCH_JOB_NAME_' || ENVIRONMENT || ' = :BATCH_JOB_NAME,'
                || ' BATCH_USER_ID_' || ENVIRONMENT || ' = :BATCH_USER_ID,'
                || ' BATCH_START_DATE_' || ENVIRONMENT || ' = SYSDATE,'
                || ' BATCH_END_DATE_' || ENVIRONMENT || ' = NULL'
                || ' WHERE BATCH_NBR = (SELECT MAX(BATCH_NBR) FROM AMEPSA.ETL_BATCH_MASTER)'
            USING BATCH_STATUS, BATCH_JOB_NAME, BATCH_USER_ID;
    ELSE
        EXECUTE IMMEDIATE  'UPDATE AMEPSA.ETL_BATCH_MASTER SET'
                || ' BATCH_STATUS_' || ENVIRONMENT || ' = :BATCH_STATUS,'
                || ' BATCH_JOB_NAME_' || ENVIRONMENT || ' = :BATCH_JOB_NAME,'
                || ' BATCH_END_DATE_' || ENVIRONMENT || ' = SYSDATE'
                || ' WHERE BATCH_NBR = (SELECT MAX(BATCH_NBR) FROM AMEPSA.ETL_BATCH_MASTER)'
            USING BATCH_STATUS, BATCH_JOB_NAME;
    END IF;

END;

为什么手动运行SQL块工作但在同一个字符串上使用EXECUTE IMMEDIATE并不是吗？

1 个答案: