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            String beginPara= " and b.date>= :begin";
            String endPara= " and b.date<= :end";
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           queryString.append(beginPara);
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             q.setString("begin", date+" 00:00:00");
             q.setString("end", date+" 23:59:59");
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SELECT CONVERT(varchar(100), CAST(@testFloat AS decimal(38,2)))
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