ALTER TABLE "med_medication_dispense" ADD COLUMN "planned_dispense_time" timestamptz(6); COMMENT ON COLUMN "med_medication_dispense"."planned_dispense_time" IS '预定发药时间'; -- 向迁移历史表插入记录 INSERT INTO __MigrationsHistory (MigrationId, ProductVersion) VALUES ('202508190837 med_medication_dispense', '1.0.0');