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HomeCMS TutorialDEDECMSHow dede adds the field father to dede_sys_enum

How dede adds the field father to dede_sys_enum

dedeHow to add the field father to dede_sys_enum?

dede provides a linkage model, corresponding to the database table dede_sys_enum, add A parent node field. Provide automatic update of triggers. There is an example below. You can refer to it.

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Things:

dede provides Linkage model, corresponding to the database table dede_sys_enum, adds a parent node field. Provides automatic update of triggers.

Solution:

The trigger modifies the value of the father field

The code is as follows:

DELIMITER $$ 
CREATE TRIGGER `dede_sys_enum_AINS` 
BEFORE INSERT ON dede_sys_enum 
FOR EACH ROW 
BEGIN 
SET new.father=REPLACE(new.evalue,new.evalue,FLOOR(new.evalue/500)*500); 
end

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