Cannot engage in the trigger
HelloI'm trying to work around the problem of changing table. I have a before trigger on tableA that calls a procedure which creates a global temporary table to store the: new updated on tableA values.
Here is the code of the trigger and the code of procedure...
Someone knows what the problem...
Thank you
create or replace trigger postaladdress_before
before the insert or update
TO ADDRESS1 ADDRESS2 ADDRESS3 ADDRESS4 ADDRESS5, ADDRESS6, ADDRESS7
on tocpostaladdress
for each line
Start
postcode_temp_work ('new',:new.c,: new.i,: new.) Address1,: new. Address2,: new. ADDRESS3,: new. ADDRESS4,: new. ADDRESS5,: new. ADDRESS6,: new. ADDRESS7);
end;
/
Postcode_temp_work of procedure CREATE or REPLACE (tmode IN varchar2, pc in number, piin in numbers, pADDRESS1 IN varchar2, pADDRESS2 IN varchar2, pADDRESS3 IN varchar2, pADDRESS4 IN varchar2, pADDRESS5 IN varchar2, pADDRESS6 IN varchar2, pADDRESS7 IN varchar2)
IS
VC NUMBER: = pc;
VI NUMBER: = piin;
vaddress1 VARCHAR2 (40): = pADDRESS1;
vaddress2 VARCHAR2 (40): = pADDRESS2;
vaddress3 VARCHAR2 (40): = pADDRESS3;
vaddress4 VARCHAR2 (40): = pADDRESS4;
vaddress5 VARCHAR2 (40): = pADDRESS5;
vaddress6 VARCHAR2 (40): = pADDRESS6;
vaddress7 VARCHAR2 (40): = pADDRESS7;
vtmode VARCHAR2 (40): = tmode;
BEGIN
dbms_output.put_line (VC);
dbms_output.put_line (VI);
dbms_output.put_line (vaddress1);
Vtmode = 'new' IF THEN
EXECUTE IMMEDIATE ' CREATE of TABLE TEMPORARY GLOBAL t_my_postcode_update (NUMBER c, I have NUMBER, Address1 VARCHAR2 (40) address2 VARCHAR2 (40), address3 VARCHAR2 (40), address4 VARCHAR2 (40), address5 VARCHAR2 (40), address6 VARCHAR2 (40), address7 VARCHAR2 (40))';
EXECUTE IMMEDIATE (' insert into t_my_postcode_update (C, I, Address1, Address2, ADDRESS3 ADDRESS4 ADDRESS5, ADDRESS6, ADDRESS7) values ("'| vc |)) ''' ,''' || VI. ''',''' || vaddress1 | ''' , ''' || vaddress2 | ''','''|| vaddress3 | " ','' ' || vaddress4 | " ','' ' || vaddress5 | " ','' ' || vaddress6 | " ','' ' || vaddress7 | " ')') ;
END IF;
IF vtmode = "kill" THEN
EXECUTE IMMEDIATE 'DROP TABLE t_my_postcode_update';
END IF;
END;
/
display errors;
DDLS is auto-commettre, and you can not commit in a trigger, except if you use autonomous transactions
Anyway, it isn't a good idea using DDL in triggers. You really need this?
Tags: Database
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With the help of AUTONOMOUS_TRANSACTIONS we can use COMMIT, ROLLBACK or point registration in database level triggers. So can we use form level triggers?
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And this is my config on the switch to mac-group and the macro:
!
macro auto Test group address-mac-PC
Mac 0019.9990.5509 address list
!
comprehensive treatment of the auto macro
macro auto control global detection mac address
!
automatic macro execution Test-PC remote ftp://192.168.1.11/remote_test_pc.asp ACCESS_VLAN = 123 VOICE_VLAN = 127
!
When I plug this workstation for the following syslog messages:
Switch #.
Remote_test_pc.asp loading!
[OK - 1702/4096 bytes]
Enter configuration commands, one per line. End with CNTL/Z.
Switch con0 is now available
Press RETURN to get started.
Error: Cannot run the trigger Test-PC, please check trigger exists and corresponds to the valid function
26 September 11:45:37.755: % SYS-5-CONFIG_I: configured from console by console
26 September 11:45:37.772: % AUTOSMARTPORT-5-INSERT: tty0(user id:): dispositif avec adresse mac 0019.9990.5509 détectées sur l'interface FastEthernet0/3, exécuté le Test-PC) Message
Switch #.
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The switch is 2960 with IOS 12.2 (58) SE2.
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Sven
Hi Sven,
I think that you are not constantly getting this message... Ignore it for now... That have no functional impact... This has been supported in 15.0 (1) SE.
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At the launch of Warcraft III I get "cannot engage the directx '.
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Feeding offshore and disconnected (wait for the LED on the motherboard turns off, or wait more than 30 seconds if there is no LED) disconnect the cable from the monitor and remove the card from its location (do not handle map of the Strip).
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.
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Cannot undo the Trigger on DAQmx task configuration
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I'm running into a DAQmx problem where the type of trigger for departure does not properly get sent to the material in the case following (using X with DAQmx 9.5.1 series):
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I've reproduced the problem and filed the application of Corrective Action (365307) to follow up the matter.
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Check the options in the widget settings. If it is enabled, clear the triggers on the top .
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Here's the code I entered in the 'Custom calculation Script' box in the 'Calculate' tab of the Properties menu of Test field:
Initialize variables
var num = 0;
var sum = 0;
Browse the input fields
for (var i = 1; i < 12; i ++) {}
var f = getField ("points." + i);
If {(f.valueAsString)
increment the counter to non-empty field
NUM ++;
Add the value of the running total field
sum += + f.value;
}
}
Calculate the average
If {(num)
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} else {}
All fields are empty, then the empty value
Event.Value = "";
}
I do not see that. Add the code of script debugging will display the results that each field is completed:
Initialize variables
var num = 0;
var sum = 0;Browse the input fields
for (var i = 1; i)< 12;="" i++)="">
var f = getField ("points." + i);
If {(f.valueAsString)
increment the counter to non-empty field
NUM ++;
Add the value of the running total field
sum += + f.value;
}
}
Debug - display results as the form is filled;
Console.Show
Console.println (sum + "/" + num + "=" + sum/num);
end of debugging;
Calculate the average
If {(num)
Event.Value = sum / num;
} else {}
All fields are empty, then the empty value
Event.Value = "";
} -
Hello worldWhy the ROLLBACK statement or COMMIT are not allowed in the trigger? and if I then use this problem may happen?
IndiMinds wrote:
Hello world
Why the ROLLBACK statement or COMMIT are not allowed in the trigger? and if I then use this problem may happen?
Because a trigger is NOT a transaction. This is a SINGLE STATEMENT, which is part of another transaction.
What is the problem? Well, if the trigger does not use the pragma AUTONOMOUS_TRANSACTION to the 'problem' that occurs is an Oracle exception, since you cannot use commit or rollback in the standard triggers.
If a trigger contained a VALIDATION you wouldn't be able to write a transaction that contained multiple measures correctly.
What happens if you insert rows in multiple tables and you want to perform a COMMIT ONLY if all three insertions succeed?
This is not possible if one of the tables had a trigger with a posting in it.
What do you want to learn more about?
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need, update the message after inserting the trigger data
Hi all
CREATE OR REPLACE TRIGGER xxc_student
AFTER INSERTION
WE raise
BEGIN
Dbms_output.put_line ('end of Inserted');
END;
And I want to insert data into the table:
INSERT INTO student (name) VALUES ("ABC");
INSERT INTO student (name) VALUES ("CCC");
INSERT INTO student (name) VALUES ('DDD');
INSERT INTO student (name) VALUES ("EEA").
COMMIT;
I have the following results:
1 row inserted
end of Inserted
1 row inserted
end of Inserted
1 row inserted
end of Inserted
1 row inserted
end of Inserted
ENGAGE
And I would have
1 row inserted
1 row inserted
1 row inserted
1 row inserted
end of Inserted
Oracle Database 11 g Enterprise Edition Release 11.1.0.7.0 - 64 bit Production
Thank you
No, this isn't possible; e by a trigger. Relax, you have created is a statement after trigger, so it fires after the insert statement is complete. In the first example, you have 4 separate SQL statements, so the trigger is activated after each statement. In your second example, you have a single SQL statement that affects the 4 lines, if the trigger is activated once the end of the statement.
The number of inserted rows is reported since sqlplus (the client), based on what the engine SQL in the database said he did. Since there is only a single statement engine SQL reports 4 lines inserted at the client, not four row insertions.
What problem are you trying to solve with this approach? In General, dbms_output is not much used in production code, except occasioanlly as a simple debugging tool.
John
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the value of overflow from the stage of the trigger code
Cannot find out how to change the value of the trigger code overflow. I can't read yet.
Alert (sym.getComposition () .getStage (). CSS ("overflow"));
No code of the trigger after the above line will run. Lines before running.
By using this link as a reference, I thought that I could do:
sym.getComposition () .getStage () .css ("overflow", "visible");
I tried to use an intermediate variable. No dice. Any ideas?
Use like this:
sym.getComposition () .getStage (). getSymbolElement().css ("overflow", "visible");
HTH,
Vivekuma
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It does not work when you use the trigger to check the data of the other table.
Please help me with this, I put a trigger on a table, but it can not work as I expect.
case study: a class has many students, one of them is going to match.
The purpose of this trigger is to check when to choose a student going to match, this student has in his class where it belongs to.
Oracle version is 10.2.0.1.0.
Just copy and paste on it and try to run next:--table: DROP TABLE STU; DROP TABLE CLASS; create table CLASS( CID VARCHAR2(5) PRIMARY KEY, CNAME VARCHAR2(20) NOT NULL, SCHOSEN VARCHAR2(5)); create table STU( SID VARCHAR2(5) PRIMARY KEY, SNAME VARCHAR2(20) NOT NULL, CID VARCHAR2(5) NOT NULL REFERENCES CLASS(CID) ON DELETE CASCADE); --data: --CLASS INSERT INTO CLASS(CID,CNAME) VALUES(1,'SUN'); INSERT INTO CLASS(CID,CNAME) VALUES(2,'MOON'); INSERT INTO CLASS(CID,CNAME) VALUES(3,'EARTH'); --STU INSERT INTO STU VALUES(1,'JACK',1); INSERT INTO STU VALUES(2,'TOM',1); INSERT INTO STU VALUES(3,'LILY',2); INSERT INTO STU VALUES(4,'DUSTIN',3); --TRIGGER CREATE OR REPLACE TRIGGER CHECK_SCHOSEN BEFORE INSERT OR UPDATE OF SCHOSEN ON CLASS FOR EACH ROW WHEN (NEW.SCHOSEN IS NOT NULL) DECLARE DUMMY INTEGER; INVALID_STU EXCEPTION; VALID_STU EXCEPTION; MUTATING_TABLE EXCEPTION; PRAGMA EXCEPTION_INIT(MUTATING_TABLE, -4091); CURSOR DUMMY_CURSOR (ST VARCHAR2, CL VARCHAR2) IS SELECT SID FROM STU, CLASS WHERE STU.SID=ST AND STU.CID=CLASS.CID AND CLASS.CID=CL FOR UPDATE OF CLASS.SCHOSEN; BEGIN OPEN DUMMY_CURSOR(:NEW.SCHOSEN, :NEW.CID); FETCH DUMMY_CURSOR INTO DUMMY; IF DUMMY_CURSOR%NOTFOUND THEN RAISE INVALID_STU; ELSE RAISE VALID_STU; END IF; CLOSE DUMMY_CURSOR; EXCEPTION WHEN INVALID_STU THEN CLOSE DUMMY_CURSOR; DBMS_OUTPUT.PUT_LINE('PLEASE RE-ENTER CLASS ID AND STUDENT ID AS CLASS OR STUDENT IS NOT VALID.'); WHEN VALID_STU THEN CLOSE DUMMY_CURSOR; DBMS_OUTPUT.PUT_LINE('STUDENT CHOOSE SUCCEFULLY!'); WHEN MUTATING_TABLE THEN NULL; END; /
UPDATE CLASS
SET SCHOSEN = 3
WHERE CID = 1;
Clearly, you can't student who is 3 as to Member of class 1. Please help me. Thank you.
Published by: 991096 on March 1st, 2013 02:36
Published by: 991096 on March 1st, 2013 03:03
Published by: 991096 on March 1st, 2013 03:11Hello
991096 wrote:
1. the purpose of this trigger is to check when to choose a student going to match, this student has in his class where it belongs to. Then, when I try to choose 3 student-member of correspondence of class 1, should give me "PLEASE RE-ENTER ID AND STUDENT ID AS CLASS or STUDENT not IS NOT VALID."Then do something like this:
CREATE OR REPLACE TRIGGER CHECK_SCHOSEN BEFORE INSERT OR UPDATE OF SCHOSEN ON CLASS FOR EACH ROW WHEN (NEW.SCHOSEN IS NOT NULL) DECLARE sid_found stu.sid%TYPE; BEGIN dbms_output.put_line (:NEW.schosen || ' = schosen entering check_schosen'); SELECT sid INTO sid_found FROM stu WHERE sid = :NEW.schosen AND cid = :NEW.cid AND ROWNUM = 1 -- to avoid TOO_MANY_ROWS ; EXCEPTION WHEN NO_DATA_FOUND THEN RAISE_APPLICATION_ERROR ( -20000 , 'Please re-enter class id and student id as class (' || :NEW.cid || ') or student (' || :NEW.schosen || ') is not valid.' ); end; /
DBMS_OUTPUT creates only a message. The message may not be displayed, and if this is the case, then the user cannot see it. The DML will still take place.
I used instead, RAISE_APPLICATION_ERROR to keep the DML does not happen. It displays a message likeORA-20000: Please re-enter class id and student id as class (1) or student (3) is not valid.
' 2 ' game ' means ' an official competition in which two several people or teams competing.
What individuals or teams are competing in this case?
In any case, the question wasn't 'that 'game' means', butFrank Kulash wrote:
What do you mean when you say "going to match?I think that now you're saying that the new values of (class.cid, class.schosen) must be equal to (or "fit") some existing (stu.cid, stu.sid).
3. thanks for your tip, I learned how to use '{code} '.
4. it's really goes with the exception of MUTATING_TABLE. So, how do to fix the trigger to show me INVALID_STU EXCEPTION when I try to choose a student does not belong
a class?Don't refer to the table of class in the trigger, and the error table mutation occur. All the information you need are in the stu table, so there is no need to query the table of class, anyway.
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DB trigger error - update even table in the script of the trigger
Hi all
I have a table tab1, whenever any update is done on this table on column col1 and col2 also needs to get the update. (These are related to user forms can be updated only col1 form frontend)
So I created a trigger as follows.
----------------
CREATE OR REPLACE TRIGGER tri1
AFTER UPDATE
ON tab1
FOR EACH LINE
WHERE (NEW.col1 = 'YES')
DECLARE
PRAGMA AUTONOMOUS_TRANSACTION;
BEGIN
Tab1 SET col2 = 1 UPDATE
WHERE transaction_id =: OLD.transaction_id;
COMMIT;
END;
--------
When there is no update on this table, I get following error. Please let me know if I'm missing something.
ORA-00060: Deadlock detected while you wait resource
ORA-06512: at "user1.tab1", line 5
ORA-04088: error during execution of trigger 'user1.tab1 '.
Please let me know if I'm not clear. Thank you
Published by: DharV on August 23, 2011 05:17Your transaction_id is unique?
If this is the case, then you could perhaps use AFTER UPDATE BEFORE UPDATE:
CREATE OR REPLACE TRIGGER tri1 BEFORE UPDATE ON tab1 FOR EACH ROW WHEN (NEW.col1 = 'YES') BEGIN :NEW.col2 := 1; END;
If your transaction_id is not unique - if you really want to update more than one line in tab1 - your update cannot update the same line that the trigger has responded, even with the use of an autonomous transaction. Then you could combine the BEFORE UPDATE trigger above with your own AFTER UPDATE, but then add ROWID! =: OLD. ROWID to where clause, but it would be a bad idea because some of your lines will be updated in a single transaction and others in another transaction.
In general the autonomous transaction is not a great way to solve the problem of changing table within a trigger. I hope that you have a unique transaction_id and can do BEFORE the UPDATE - if it is then a better way is to save the update id in an overall picture in FOR EACH ROW triggers, and only then AFTER an UPDATE fire is NOT "for each line" update the list of saved IDs
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