SELECT
	 id,share_market_data.date('2025-07-18').find(name='trade_volume').xtop('max', 1),symbol
FROM
	 /dsq_stock2/a_stock where id='a_stock:920819' or id='a_stock:920799'
/**
output()
**/
;

SELECT
	 id,share_market_data.date('2025-07-18').find(name='trade_volume').xtop('max', 2),symbol
FROM
	 /dsq_stock2/a_stock where id='a_stock:920819' or id='a_stock:920799'
/**
output()
**/
;