r18514(仮)
ALTER TABLE dtb_order ALTER COLUMN order_pref TYPE SMALLINT USING CAST(order_pref AS SMALLINT) ; ALTER TABLE dtb_order ALTER COLUMN deliv_pref TYPE SMALLINT USING CAST(deliv_pref AS SMALLINT) ; ALTER TABLE dtb_order_temp ALTER COLUMN order_pref TYPE SMALLINT USING CAST(order_pref AS SMALLINT) ; ALTER TABLE dtb_order_temp ALTER COLUMN deliv_pref TYPE SMALLINT USING CAST(deliv_pref AS SMALLINT) ; ALTER TABLE dtb_other_deliv ALTER COLUMN pref TYPE SMALLINT USING CAST(pref AS SMALLINT) ;