Error to delete using the Delete Trigger

Hi people:

I tried to use the following trigger. She inserts updates, okay, okay, but gives mutating table error when I try to delete the BALES_HARVESTED table...

The trigger fires when an insert, update, or delete occurs.

Table, the trigger is set at: BALES_HARVESTED

Array that receives the entrance of the trigger (insert, update, delete): BALES_STORAGE

The Code in the trigger that I use is:

CREATE OR REPLACE TRIGGER FARM. HARVEST_DATA_TRG

AFTER YOU DELETE, INSERT OR UPDATE

WE FARM. BALES_HARVESTED

REFERENCING NEW AS new OLD IN the old

FOR EACH LINE

BEGIN

-your code here

-(Relaxation model 'Default' could not be loaded.

IF THE INSERTION

INSERT into BALES_STORAGE (BALES_RECEIVED_GAINED, HARVESTING, CUTTING, STACKYARD, DATE_MOVED, HARVEST_ID, BALE_YEAR) values(:new.) BALES_RECEIVED,: new. CULTURE: new. CUTTING: new. STACKYARD,: new. DATE_RECEIVED,: new. HARVEST_ID,: new. BALE_YEAR);

ELSIF UPDATE THEN

UPDATE BALES_STORAGE

SET BALES_RECEIVED_GAINED =: new. BALES_RECEIVED,

CULTURE =: new. HARVEST,

CUP =: new. CUT,

STACKYARD =: new. STACKYARD,

DATE_MOVED =: new. DATE_RECEIVED,

HARVEST_ID =: new. HARVEST_ID,

BALE_YEAR =: new. BALE_YEAR

WHERE BALES_STORAGE.harvest_id =: old.harvest_id;

ELSIF DELETION THEN

REMOVE FROM BALES_STORAGE

WHERE harvest_id =: old.harvest_id;

END IF;

END;

/

Matthewdelete_error.JPG

Trigger for update to include all code...

Is it possible to have a relationship of foreign key between two tables?

Tables of mutation is not exclusively on the realization of DML on the same table that the trigger is, she also impact tables linked by a foreign key.

You can consider a trigger made to postpone the operation until after statement.

Google for "sample table mutation relaxation composed" and you'll find lots of examples

HTH

Connor

Tags: Database

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