material_type AS "materialType", id AS "id", material_code AS "materialCode", material_name AS "materialName", drawing_no AS "drawingNo", material_specs AS "materialSpecs", unit AS "unit", material_science AS "materialScience", material_attribute AS "materialAttribute", is_purchase AS "isPurchase", supplier AS "supplier", spare_field_1 AS "spareField1", spare_field_2 AS "spareField2", remarks AS "remarks", create_user AS "createUser", create_time AS "createTime", update_user AS "updateUser", update_time AS "updateTime", erp_spec AS "erpSpec"