initial zahlung

initial-insert-zahlungen.sql

@@ -0,0 +1,28 @@
+delimiter //
+
+
+create or replace procedure initial_zahlungen(in p_mieter integer, in p_betrag decimal(20,2))
+modifies sql data
+begin
+    declare v_monthname varchar(128);
+    declare v_month integer;
+    declare v_dateraw varchar(128);
+    declare v_date date;
+    declare v_comment varchar(128);
+
+    set lc_time_names = 'de_DE';
+
+    for v_month in 1 .. 12 do
+        set v_dateraw = concat('2020-', cast(v_month as char), '-01');
+        set v_date = date(v_dateraw);
+        set v_monthname = monthname(v_date);
+        set v_comment = concat('Miete ', v_monthname, ' 2020');    
+        
+        insert into zahlung (mieter, datum_ist, datum_soll, betrag, kommentar)
+          values(p_mieter, v_date, v_date, p_betrag, v_comment);
+    end for;
+end;
+//
+
+delimiter ;
+