server/util/AySchema.cs

@@ -898,7 +898,7 @@ $BODY$ LANGUAGE PLPGSQL STABLE");
 
 
                 await ExecQueryAsync("CREATE TABLE apurchase (id BIGINT GENERATED ALWAYS AS IDENTITY PRIMARY KEY, customerid BIGINT NOT NULL REFERENCES acustomer(id) ON DELETE CASCADE, "
-                                     + "vendorid BIGINT NOT NULL REFERENCES avendor(id), productid BIGINT NOT NULL REFERENCES aproduct(id), salesordernumber TEXT, "
+                                     + "vendorid BIGINT NOT NULL REFERENCES avendor(id), productid BIGINT NOT NULL REFERENCES aproduct(id), salesordernumber TEXT NOT NULL, "
                                      + "purchasedate TIMESTAMPTZ NOT NULL, expiredate TIMESTAMPTZ, canceldate TIMESTAMPTZ, couponcode text, notes text, "
                                      + "renewnoticesent BOOL NOT NULL DEFAULT false, quantity INTEGER NOT NULL DEFAULT 1, "
                                      + "vendordata TEXT, processeddate TIMESTAMPTZ, "