init depot renew

3_AZALEE/gn_pr_zh/trigger_delete.py

@@ -0,0 +1,32 @@
+#!/usr/bin/env python3
+# -*- coding: UTF-8 -*-.
+from pycen import con
+# import pycen
+drop = '''
+DROP TRIGGER IF EXISTS trigger_end_zh ON gn_pr_zh.t_zh;
+DROP FUNCTION IF EXISTS zones_humides.end_zh();
+'''
+
+s2 = '''CREATE OR REPLACE FUNCTION zones_humides.end_zh()
+ RETURNS trigger
+ LANGUAGE plpgsql
+AS $function$
+BEGIN
+	IF (TG_OP = 'DELETE') then
+		UPDATE sites.sites 
+        SET date_fin = current_timestamp 
+        WHERE id = OLD.code;
+    END IF;
+   	RETURN NULL;
+END;
+$function$
+;'''
+
+s1 = '''CREATE TRIGGER trigger_end_zh BEFORE
+DELETE ON
+    gn_pr_zh.t_zh FOR EACH ROW EXECUTE FUNCTION zones_humides.end_zh()'''
+
+with con.begin() as cnx:
+    cnx.execute(drop)
+    cnx.execute(s2)
+    cnx.execute(s1)