{"id":125594,"date":"2020-06-27T22:51:37","date_gmt":"2020-06-27T14:51:37","guid":{"rendered":"http:\/\/4563.org\/?p=125594"},"modified":"2020-06-27T22:51:37","modified_gmt":"2020-06-27T14:51:37","slug":"mysql-%e5%a4%8d%e6%9d%82%e6%9f%a5%e8%af%a2-sql-%e6%b1%82%e6%95%91","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=125594","title":{"rendered":"Mysql \u590d\u6742\u67e5\u8be2 sql \u6c42\u6551!"},"content":{"rendered":"
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Mysql \u590d\u6742\u67e5\u8be2 sql \u6c42\u6551! <\/h1>\n

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\u8cc7\u6df1\u5927\u4f6c : mccreefei <\/span> <\/i> 2<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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\u73b0\u5728\u6709\u4e24\u4e2a\u8868\uff0c\u4ee3\u7406\u5546\u8868 agent_info(id{\u4ee3\u7406\u5546 id}, type {1\uff1a\u4e00\u7ea7\u4ee3\u7406 2: \u4e8c\u7ea7\u4ee3\u7406}, parent_id {\u4e8c\u7ea7\u4ee3\u7406\u6240\u5c5e\u4e00\u7ea7\u4ee3\u7406 id}), \u7528\u6237\u8868(id, agent_id{\u7528\u6237\u6240\u5c5e\u4ee3\u7406\u5546 id}), \u73b0\u5728\u9700\u8981\u6c47\u603b\u6bcf\u4e2a\u4e00\u7ea7\u4ee3\u7406\u5546\u4e0b\u7684\u7528\u6237\u6570\uff0c\u683c\u5f0f\u884c\u5dee\u4e0d\u591a\u5982\u4e0b agent_id(\u4e00\u7ea7\u4ee3\u7406 id), second_agent_num(\u4e8c\u7ea7\u4ee3\u7406\u6570), user_num(\u4ee3\u7406\u7684\u7528\u6237\u6570), second_agent_user_num(\u6240\u6709\u4e8c\u7ea7\u4ee3\u7406\u7684\u7528\u6237\u6570)\u3002 \u8bf7\u6559\u8fd9\u4e2a\u9700\u6c42\u7684\u590d\u6742 sql \u600e\u4e48\u5199\uff1f<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (6<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
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    \u8cc7\u6df1\u5927\u4f6c : sweetsorrow211 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u770b\u7684\u96be\u53d7\uff0c\u683c\u5f0f\u5316\u4e00\u4e0b\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : DelayNoMay <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u53d6\u51fa\u6765\u540e\uff0c\u7528 pandas \u968f\u4fbf\u600e\u4e48\u641e\u90fd\u53ef\u4ee5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : CRVV <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u62c6\u5f00\u67e5\u5c31\u7b80\u5355\u4e86\uff0c\u67e5\u4e00\u6b21\u6240\u6709\u4e00\u7ea7\u4ee3\u7406\u4e0b\u9762\u6709\u591a\u5c11\u4e8c\u7ea7\u4ee3\u7406\uff0c\u518d\u67e5\u4e00\u6b21\u4e00\u7ea7\u4ee3\u7406\u4e0b\u9762\u6709\u591a\u5c11\u7528\u6237\uff0c\u518d\u67e5\u4e00\u6b21\u4e00\u7ea7\u4ee3\u7406\u4e0b\u9762\u7684\u4e8c\u7ea7\u4ee3\u7406\u6709\u591a\u5c11\u7528\u6237\uff0c\u5206\u4e09\u6b21\u67e5\u5e94\u8be5\u4e5f\u6ca1\u4ec0\u4e48\u4e0d\u597d\u7684\u3002<\/p>\n

    \u5408\u5230\u4e00\u8d77\u7684\u8bdd\uff0c\u5728\u7b2c\u4e09\u4e2a\u67e5\u8be2\u91cc\u9762\u7528 count(distinct) \u628a\u524d\u9762\u4e24\u6b21\u67e5\u8be2\u7684\u7ed3\u679c\u7b97\u51fa\u6765\u5e94\u8be5\u5c31\u53ef\u4ee5\u4e86\u3002 <\/p><\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
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    \u8cc7\u6df1\u5927\u4f6c : Vegetable <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u4f60\u8fd9\u4e2a\u903b\u8f91\u5c42\u6b21\u4e0d\u9002\u5408\u5199\u5355\u6761\u8bed\u53e5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : mccreefei <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @DelayNoMay #2
    @CRVV #3
    @Vegetable #4
    \u611f\u8c22\u56de\u7b54\uff0c\u597d\u50cf\u786e\u5b9e\u4e00\u6761 sql \u4e0d\u592a\u80fd\u641e\u5b9a\uff0c\u9700\u8981\u901a\u8fc7\u7a0b\u5e8f\u5904\u7406 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u8cc7\u6df1\u5927\u4f6c : cyrnicolase <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    \u8fd9\u4e2a\u63cf\u8ff0\u98ce\u683c\u5f88\u607c\u706b\u5440\uff0c\u770b\u7740\u96be\u53d7\uff01 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Mysql \u590d\u6742\u67e5\u8be2 sql \u6c42\u6551…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[],"tags":[],"_links":{"self":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/125594"}],"collection":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=125594"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/125594\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=125594"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=125594"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=125594"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}