Hello MySQL, >>I do select: select SUM(IF((@a:=(( ( ((@data:= DATE_FORMAT(data,'%Y-%m-%d')) IN ('2001-11-10','2001-12-22','2001-12-29')) OR (WEEKDAY(data) IN ('0','1','2','3','4')) ) AND (HOUR(data) <'19' AND HOUR(data) >='8') ) AND !(@data IN ('2001-07-06','2001-08-15','2001-11-01','2001-11-02','2001-12-24','2001-12-25','2001-12-26','2001-12-31','2002-01-01','2002-03-11','2002-04-01','2002-05-01','2002-08-15','2002-11-01','2002-12-25','2002-12-26')) )),in_s,'0')) as ipm, SUM(IF(@a, ot_s,'0')) as opm, SUM(IF(!@a, in_s,'0')) as inm, SUM(IF(!@a, ot_s,'0')) as onm FROM _stat_._stat_10_4_1_10 where DATE_FORMAT(data,'%Y-%m') = '2002-05' AND DATE_FORMAT(data,'%Y-%m-%d') BETWEEN '0000-00-00' AND '9999-00-00' ; >>& got error: ERROR 1030: Got error 127 from table handler Please, HELP ME! Thank very much.
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