Список проголосовавших за комментарий "<p>Фёдор Г., Это разница между суммами сделками на продажу и покупки за день<br/> <a href="/blog/1090639.php">smart-lab.ru/blog/1090639.php</a></p><p> </p><p>вот таким SQL запросом</p>select sec_code, sum(vol) as vol FROM (SELECT sec_code, sum(price * quantity * s.lotsize) as volFROM «default».«transaq_trades»JOIN default.transaq_securities son (transaq_trades.secid = s.secid and transaq_trades.board = s.board)WHERE sec_code not in [$sec_code_etf]AND board = 'TQBR'AND (time >= $__fromTime AND time <= $__toTime)AND (buy_sell = 'B')GROUP By sec_codeUNION ALLSELECT sec_code, sum(price * quantity * s.lotsize)*-1 as volFROM «default».«transaq_trades»JOIN default.transaq_securities son (transaq_trades.secid = s.secid and transaq_trades.board = s.board)WHERE sec_code not in [$sec_code_etf] AND board = 'TQBR'AND (time >= $__fromTime AND time <= $__toTime)AND (buy_sell = 'S')GROUP By sec_code) GROUP by sec