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  • mysql去除换行和空格

    UPDATE t_rest_food_info SET food_name = REPLACE(REPLACE(food_name,
    CHAR(10), ''), CHAR(13), '') where `month` ='2018-06' and city_code =17 and rest_id ='173403' and food_id = '1234298509';

    多对多
    UPDATE t_huoguo th,(SELECT a.rest_id,

    sum(trp.order_month_sales) as sameRestNum


    from t_rest_pandect_info trp

    inner JOIN
    (
    SELECT th.rest_id,th.rest_name,trp.longitude,trp.latitude,th.city_code from
    t_huoguo th
    LEFT JOIN
    t_rest_pandect_info trp
    ON
    trp.`month` = '2018-05' and trp.city_code = th.city_code
    AND
    trp.rest_id = th.rest_id

    GROUP BY th.rest_id
    )
    as a
    ON
    trp.latitude BETWEEN a.latitude-1.5/111 and a.latitude+1.5/111
    and trp.longitude BETWEEN a.longitude-(1.5/111)/COS(RADIANS(a.latitude)) and a.longitude+(1.5/111)/COS(RADIANS(a.latitude))
    where trp.`month` ='2018-05' and trp.city_code = a.city_code

    GROUP BY a.rest_id) as restInfo set th.RestOrderSaleNum05 = restInfo.sameRestNum where th.rest_id = restInfo.rest_id

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  • 原文地址:https://www.cnblogs.com/coriander/p/9364395.html
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