Sql 触发器无效,重新验证失败
下面是我用来创建表、序列和触发器的代码Sql 触发器无效,重新验证失败,sql,oracle,plsql,Sql,Oracle,Plsql,下面是我用来创建表、序列和触发器的代码 DROP TABLE CDR.ExtDL_JobStatus; -- -- TABLE: CDR.ExtDL_JobStatus -- CREATE TABLE CDR.ExtDL_JobStatus( Id NUMBER(38, 0) NOT NULL, ShortName NUMBER(38, 0) NOT NULL, Description NUMBER(38, 0)
DROP TABLE CDR.ExtDL_JobStatus;
--
-- TABLE: CDR.ExtDL_JobStatus
--
CREATE TABLE CDR.ExtDL_JobStatus(
Id NUMBER(38, 0) NOT NULL,
ShortName NUMBER(38, 0) NOT NULL,
Description NUMBER(38, 0) NOT NULL,
CONSTRAINT PK_ExtDL_JobStatus PRIMARY KEY (Id)
)
;
Declare NumOfSequences NUMBER :=0;
Begin
Select COUNT(*)
INTO NumOfSequences
FROM All_Sequences
WHERE 1=1
And upper (Sequence_Owner) = upper ('CDR')
And upper (Sequence_Name) = upper ('ExtDL_JobStatus_Seq');
If NumOfSequences > 0 Then
Execute IMMEDIATE 'DROP SEQUENCE CDR.ExtDL_JobStatus_Seq';
End If;
End;
/
CREATE SEQUENCE CDR.ExtDL_JobStatus_Seq
INCREMENT BY 1
START WITH 1
NOMAXVALUE
NOMINVALUE
;
/
Declare NumOfTriggers NUMBER :=0;
Begin
SELECT COUNT(*)
INTO NumOfTriggers
FROM All_Triggers
WHERE 1=1
And upper (Owner) = upper ('CDR')
And upper (Trigger_Name) = upper ('ExtDL_JobStatus_SeqTrg');
If NumOfTriggers > 0 Then
Execute IMMEDIATE 'DROP SEQUENCE CDR.ExtDL_JobStatus_SeqTrg';
End If;
End;
/
CREATE TRIGGER CDR.ExtDL_JobStatus_SeqTrg
BEFORE INSERT
ON CDR.ExtDL_JobStatus
FOR EACH ROW
WHEN (new.Id IS NULL)
BEGIN
SELECT ExtDL_JobStatus_SeqTrg.nextval into :new.Id from dual;
END;
/
INSERT INTO ExtDL_JobStatus (Id, ShortName, Description) Values (0, 'Success', 'Fail')
/
SELECT * FROM ExtDL_JobStatus
当我执行代码时,我得到以下输出
DROP TABLE CDR.ExtDL_JobStatus succeeded.
CREATE TABLE succeeded.
anonymous block completed
CREATE SEQUENCE succeeded.
anonymous block completed
Warning: execution completed with warning
TRIGGER CDR.ExtDL_JobStatus_SeqTrg Compiled.
Error starting at line 62 in command:
INSERT INTO ExtDL_JobStatus (Id, ShortName, Description) Values (0, 'Success', 'Fail')
Error at Command Line:62 Column:12
Error report:
SQL Error: ORA-04098: trigger 'CDR.EXTDL_JOBSTATUS_SEQTRG' is invalid and failed re-validation
04098. 00000 - "trigger '%s.%s' is invalid and failed re-validation"
*Cause: A trigger was attempted to be retrieved for execution and was
found to be invalid. This also means that compilation/authorization
failed for the trigger.
*Action: Options are to resolve the compilation/authorization errors,
disable the trigger, or drop the trigger.
ID SHORTNAME DESCRIPTION
---------------------- ---------------------- ----------------------
0 rows selected
什么使我的触发器无效?这是一个简单的输入错误:您的序列名为
ExtDL\u JobStatus\u Seq
,但在触发器中您引用ExtDL\u JobStatus\u SeqTrg.nextval
为了便于将来参考,最好在编译PL/SQL(触发器、过程等)的每次调用之后包含一个调用,以显示脚本中的错误。像这样:
CREATE TRIGGER CDR.ExtDL_JobStatus_SeqTrg
BEFORE INSERT
ON CDR.ExtDL_JobStatus
FOR EACH ROW
WHEN (new.Id IS NULL)
BEGIN
SELECT ExtDL_JobStatus_SeqTrg.nextval into :new.Id from dual;
END;
/
show errors
顺便说一句,匿名块中有相同的打字错误,试图删除序列
警告:执行已完成
警告触发器
CDR.ExtDL_JobStatus_SeqTrg已编译
这就是触发器编译失败的地方
sql> CREATE TRIGGER ExtDL_JobStatus_SeqTrg
2 BEFORE INSERT
3 ON ExtDL_JobStatus
4 FOR EACH ROW
5 WHEN (new.Id IS NULL)
6 BEGIN
7 SELECT ExtDL_JobStatus_SeqTrg.nextval into :new.Id from dual;
8 END;
9 /
Warning: Trigger created with compilation errors.
sql> show errors;
Errors for TRIGGER EXTDL_JOBSTATUS_SEQTRG:
LINE/COL ERROR
-------- -----------------------------------------------------------------
2/9 PL/SQL: SQL Statement ignored
2/16 PL/SQL: ORA-02289: sequence does not exist
问题是因为您在代码中使用了ExtDL\u JobStatus\u SeqTrg,并且您创建的序列是ExtDL\u JobStatus\u Seq
另外,如果您试图运行这样的脚本来创建(编译)对象,我建议您在每个触发器/过程/函数creatin语句之后添加以下子句
SHOW ERRORS;
如果您的语句成功,则不会产生错误。如果有任何错误,您将获得错误的详细描述,而不必再次执行脚本。除了前面提到的所有内容外,还有两个额外的打字错误:
drop SEQUENCE
我曾经遇到过类似的问题。我的问题是由于有多个触发器具有相同的名称,但仅在外壳上有所不同。我会检查它是否与您遇到的问题不同。@Falle1234我检查了
select*from all_触发器
;没有重复项。请告诉我们实际错误是什么:show error CDR.EXTDL\u JOBSTATUS\u SEQTRG
我注意到了数据类型的问题。不知何故,一切都变成了一个领域——我把它改回了每个单独的领域