SELECT bd.*, c.name as category_name FROM zs_tjfx_base_data bd LEFT JOIN zs_tjfx_categories c ON bd.category_id = c.id WHERE bd.product_code = #{productCode} AND bd.category_id = #{categoryId} LIMIT 1 SELECT bd.*, c.name as category_name FROM zs_tjfx_base_data bd LEFT JOIN zs_tjfx_categories c ON bd.category_id = c.id WHERE 1=1 AND bd.category_id = #{categoryId} SELECT bd.*, c.name as category_name FROM zs_tjfx_base_data bd LEFT JOIN zs_tjfx_categories c ON bd.category_id = c.id WHERE bd.product_code = #{productCode} LIMIT 1 SELECT product_code FROM zs_tjfx_base_data WHERE product_code IN #{code} SELECT bd.id, bd.product_code, bd.product_name, bd.brand, bd.category_id, c.name AS category_name, bd.category_specs, bd.created_at, bd.updated_at FROM zs_tjfx_base_data bd LEFT JOIN zs_tjfx_categories c ON bd.category_id = c.id AND bd.product_code LIKE CONCAT('%', #{productCode}, '%') AND bd.product_name LIKE CONCAT('%', #{productName}, '%') AND bd.category_id = #{categoryId} ORDER BY bd.created_at DESC INSERT INTO zs_tjfx_base_data ( product_code, product_name, brand, category_id, category_specs, created_at, updated_at ) VALUES ( #{item.productCode}, #{item.productName}, #{item.brand}, #{item.categoryId}, #{item.categorySpecs}, #{item.createdAt}, #{item.updatedAt} )