trigger before insert sql code

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showing results for - "trigger before insert sql code"
Dante
14 Jun 2016
1
2        
3            
4        
5     CREATE TRIGGER trigger_name
6    BEFORE INSERT
7    ON table_name FOR EACH ROW
8trigger_body;
9
Dario
08 May 2018
1
2        
3            
4        
5     DELIMITER $$
6
7CREATE TRIGGER before_workcenters_insert
8BEFORE INSERT
9ON WorkCenters FOR EACH ROW
10BEGIN
11    DECLARE rowcount INT;
12    
13    SELECT COUNT(*) 
14    INTO rowcount
15    FROM WorkCenterStats;
16    
17    IF rowcount > 0 THEN
18        UPDATE WorkCenterStats
19        SET totalCapacity = totalCapacity + new.capacity;
20    ELSE
21        INSERT INTO WorkCenterStats(totalCapacity)
22        VALUES(new.capacity);
23    END IF; 
24
25END $$
26
27DELIMITER ;
28
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