TP2++

TP2.sql

@@ -72,9 +72,35 @@ BEGIN
     INSERT INTO Client_His (id, prenom, nom, email, ville, date_suppression)
     VALUES (:OLD.id, :OLD.prenom, :OLD.nom, :OLD.email, :OLD.ville, SYSDATE);
     
-    DELETE FROM Commande WHERE client_id = :OLD.id;
+    DELETE FROM Commande3 WHERE client_id = :OLD.id;
 
-    DELETE FROM ligne_commande WHERE commande_id IN (SELECT id FROM Commande WHERE client_id = :OLD.id);
+    DELETE FROM ligne_commande WHERE commande_id IN (SELECT id FROM Commande3 WHERE client_id = :OLD.id);
+END;
+
+//Exo 5 :
+//Exo 2
+
+//1/
+BEGIN TRANSACTION;
+
+DELETE FROM ligne_commande WHERE commande_id = :commande_id;
+
+DELETE FROM Commande3 WHERE id = :commande_id;
+
+COMMIT;
+
+//2/
+ALTER TABLE ligne_commande
+ADD CONSTRAINT fk_ligne_commande_commande
+FOREIGN KEY (commande_id)
+REFERENCES Commande3(id)
+ON DELETE CASCADE;
+
+//3/
+CREATE PROCEDURE SupprimerCommande (p_commande_id INT) AS
+BEGIN
+    DELETE FROM ligne_commande WHERE commande_id = p_commande_id;
+    DELETE FROM Commande3 WHERE id = p_commande_id;
 END;
 
 
@@ -119,7 +145,7 @@ CREATE TABLE ligne_commande (
     produit_id INT,
     quantite INT,
     prix_total DECIMAL(10,2),
-    FOREIGN KEY (commande_id) REFERENCES Commande(id) ON DELETE CASCADE
+    FOREIGN KEY (commande_id) REFERENCES Commande3(id) ON DELETE CASCADE
 );
 
 
@@ -127,12 +153,12 @@ CREATE TABLE ligne_commande (
 
 CREATE TABLE CommandeAuditLog (
     Utilisateur VARCHAR(50),
-    ActionSQL VARCHAR(3),  -- 'INS', 'DEL', ou 'UPD'
+    ActionSQL VARCHAR(3),
     DateMAJ DATE DEFAULT SYSDATE,
     ActCol VARCHAR(255)
 );
 
-CREATE TRIGGER trg_AuditInsertCommande
+CREATE OR REPLACE TRIGGER trg_AuditInsertCommande
 AFTER INSERT ON Commande
 FOR EACH ROW
 BEGIN
@@ -140,7 +166,7 @@ BEGIN
     VALUES (USER, 'INS', SYSDATE, 'N/A');
 END;
 
-CREATE TRIGGER trg_AuditDeleteCommande
+CREATE OR REPLACE TRIGGER trg_AuditDeleteCommande
 AFTER DELETE ON Commande
 FOR EACH ROW
 BEGIN
@@ -148,24 +174,30 @@ BEGIN
     VALUES (USER, 'DEL', SYSDATE, 'N/A');
 END;
 
-CREATE TRIGGER trg_AuditUpdateCommande
+CREATE OR REPLACE TRIGGER trg_AfterUpdateCommande3
-AFTER UPDATE ON Commande
+AFTER UPDATE ON Commande3
 FOR EACH ROW
 BEGIN
-    DECLARE modified_columns VARCHAR(255);
 
-    SET modified_columns = '';
+    DECLARE
+        modified_columns VARCHAR2(255);
+    BEGIN
+
+        modified_columns := '';
 
         IF :OLD.date_achat != :NEW.date_achat THEN
-        SET modified_columns = CONCAT(modified_columns, 'date_achat, ');
+            modified_columns := modified_columns || 'date_achat, ';
         END IF;
 
         IF :OLD.reference != :NEW.reference THEN
-        SET modified_columns = CONCAT(modified_columns, 'reference, ');
+            modified_columns := modified_columns || 'reference, ';
         END IF;
 
-    SET modified_columns = RTRIM(modified_columns, ', ');
+        modified_columns := RTRIM(modified_columns, ', ');
 
         INSERT INTO CommandeAuditLog (Utilisateur, ActionSQL, DateMAJ, ActCol)
         VALUES (USER, 'UPD', SYSDATE, modified_columns);
+    END;
 END;
+
+