{"id":128140,"date":"2020-06-15T18:18:39","date_gmt":"2020-06-15T10:18:39","guid":{"rendered":"http:\/\/4563.org\/?p=128140"},"modified":"2020-06-15T18:18:39","modified_gmt":"2020-06-15T10:18:39","slug":"django-orm-%e5%a6%82%e4%bd%95%e5%ae%9e%e7%8e%b0-bulk_update_or_create","status":"publish","type":"post","link":"http:\/\/4563.org\/?p=128140","title":{"rendered":"Django ORM \u5982\u4f55\u5b9e\u73b0 bulk_update_or_create"},"content":{"rendered":"
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Django ORM \u5982\u4f55\u5b9e\u73b0 bulk_update_or_create <\/h1>\n

<\/p>\n

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\u8cc7\u6df1\u5927\u4f6c : wonder1z <\/span> <\/i> 78<\/span> <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n
<\/p>\n

\u5982\u9898\uff0cdjango \u4e2d\u8c8c\u4f3c\u53ea\u6709 bulk_update \u548c bulk_create\uff0c\u6709\u4ec0\u4e48\u529e\u6cd5\u53ef\u4ee5\u5b9e\u73b0 bulk_update_or_create \u5417<\/p>\n<\/p><\/div>\n

\u5927\u4f6c\u6709\u8a71\u8aaa<\/b> (16<\/span>) <\/div>\n
<\/div>\n<\/p><\/div>\n<\/p><\/div>\n
    \n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : hmxxmh <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    for \u5faa\u73af + update_or_create <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : wonder1z <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hmxxmh \u6570\u636e\u91cf\u5927\u7684\u8bdd \u6548\u7387\u592a\u4f4e\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u8cc7\u6df1\u5927\u4f6c : est <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    ORM \u518d\u5389\u5bb3\u4e5f\u6ca1\u6cd5\u5b9e\u73b0 sql \u652f\u6301\u4e0d\u4e86\u7684\u4e8b\u3002\u5efa\u8bae\u76f4\u63a5\u64b8 insert … on duplicate update … <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : wonder1z <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @est ORM \u652f\u6301 update_or_create \u7684 \u53ea\u4e0d\u8fc7\u6ca1\u6709\u6279\u91cf\u7684 bulk_update_or_create\u3002\u5355\u6761\u64b8\u6027\u80fd\u592a\u5dee\u4e86 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : hmxxmh <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @est \u540c\u610f\uff0corm \u5c31\u662f\u5bf9 sql \u7684\u4e00\u5c42\u5c01\u88c5\uff0c\u771f\u8981\u8ffd\u6c42\u6548\u7387\u76f4\u63a5\u64b8 sql \u6bd4\u8f83\u597d <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : hmxxmh <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wonder1z \u5e73\u65f6\u53ea\u7528 bulk_create,\u521a\u624d\u67e5\u4e86\u4e00\u5708\uff0c\u6ca1\u6709\u770b\u5230 bulk_update_or_create\u3002\u3002\u3002\u6570\u636e\u91cf\u6709\u591a\u5927\uff1f <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : Ehco1996 <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wonder1z <\/p>\n

    bulk_create \u7684\u672c\u8d28\u5176\u5b9e\u662f insert many<\/p>\n

    \u800c\u4f60\u7684\u9700\u6c42\u662f update_or_create \u8c8c\u4f3c\u5355\u6761 sql \u662f\u505a\u4e0d\u5230\u7684 ( \u6211\u4e5f\u4e0d\u786e\u5b9a<\/p>\n

    \u6211\u89c9\u5f97\u6bd4\u8f83\u7b80\u5355\u7684\u662f\u5206\u6210\u4e24\u6b65 \u7136\u540e\u5916\u9762\u5957\u4e8b\u52a1
    * bulk_create
    * bulk_update <\/div>\n<\/p><\/div>\n<\/li>\n

  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : wonder1z <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hmxxmh \u4e0a\u5343\u6761 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : ytymf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @wonder1z \u8c8c\u4f3c\u53ea\u80fd\u5faa\u73af\u4e86\uff0cwith transaction.atomic \u5305\u88f9\u4e00\u4e0b\uff0c\u6027\u80fd\u8fd8\u6709\u95ee\u9898\u4e48 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
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    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : wonder1z <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ytymf \u56de\u5934\u6211\u8bd5\u8bd5 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
    \n
    \u4e3b<\/span> \u8cc7\u6df1\u5927\u4f6c : wonder1z <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @Ehco1996 \u8fd9\u6837\u66f4\u590d\u6742\u4e86\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : hmxxmh <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ytymf with transaction.atomic \u53ea\u662f\u8fdb\u5165\u4e8b\u52a1\uff0c\u5f02\u5e38\u7edf\u4e00\u56de\u6eda\uff0c\u4e0d\u80fd\u63d0\u5347\u6027\u80fd\uff0c\u5176\u5b9e\u6211\u89c9\u5f97\u4e00\u4e0b\u521b\u5efa\u4e0a\u5343\u6761\uff0c\u80af\u5b9a\u6162\uff0c\u653e\u5230 celery \u91cc\u9762\u8ba9\u4ed6\u6162\u6162\u8dd1\u5427 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : ytymf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hmxxmh \u4f60\u8bf4\u7684\u6ca1\u9519\uff0c\u8fd9\u4e2a\u539f\u610f\u53ea\u662f\u4fdd\u8bc1\u539f\u5b50\u6027\u7684\u4e8b\u52a1\u63d0\u4ea4\u3002\u4f46\u5728 django \u5b9e\u8df5\u4e2d\uff0c\u786e\u5b9e\u6bd4\u5faa\u73af\u4e2d\u7684\u6bcf\u6b21\u9690\u5f0f\u4e8b\u52a1\u63d0\u4ea4\u5feb\u975e\u5e38\u591a\uff0c\u8bd5\u8bd5\u5c31\u77e5\u9053\u4e86\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : ytymf <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hmxxmh \u5177\u4f53\u7684\u539f\u56e0\uff0c\u731c\u6d4b\u662f\u662f model.save \u5e94\u8be5\u4f1a\u6bcf\u6b21\u5efa\u7acb\u65ad\u5f00\u6570\u636e\u5e93\u8fde\u63a5\uff0c\u663e\u5f0f\u4e8b\u52a1\u4e2d commit \u540e\u624d\u65ad\u5f00\u3002\u6ca1\u6709\u5177\u4f53\u6c42\u8bc1\u8fc7 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : hmxxmh <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @ytymf \u8fd9\u5012\u662f\u6ca1\u6ce8\u610f\u8fc7 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n
    \n
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    \u8cc7\u6df1\u5927\u4f6c : encro <\/span> <\/div>\n
    <\/i> <\/span> <\/div>\n<\/p><\/div>\n
    @hmxxmh
    @ytymf
    Mysql \u4e2d\u4e00\u6b21\u63d2\u5165\u5927\u91cf\u6570\u636e\uff0c\u91c7\u7528\u4e8b\u52a1\u80fd\u660e\u663e\u63d0\u5347\u6027\u80fd\uff0c\u8fd9\u4e2a\u662f\u4e8b\u5b9e\uff0c
    \u548c model \u6ca1\u6709\u5173\u7cfb\uff0c\u76f4\u63a5\u7528 sql \u4e5f\u662f\u4e00\u6837\u6027\u80fd\u5dee\u8ddd\u660e\u663e\uff0c\uff08\u4e00\u6b21\u51e0\u5341\u4e07\u6761\u6570\u636e\u5c31\u80fd\u6d4b\u8bd5\u51fa\u6765\uff0c\u6211\u4eec\u6709\u65f6\u5019\u505a\u6027\u80fd\u6d4b\u8bd5\u9700\u8981\u4e00\u6b21\u751f\u6210\u5927\u91cf\u6570\u636e\u90fd\u662f\u91c7\u7528\u4e8b\u52a1\u6216\u8005 prepare\uff0c\u539f\u6765\u5e72\u51e0\u5341\u5206\u949f\u7684\uff0c\u51e0\u5206\u949f\u5c31\u884c\u4e86\uff09
    \u731c\u6d4b\u5e94\u8be5\u65e5\u5fd7\u914d\u7f6e\uff0c\u7d22\u5f15\uff0c\u5bfb\u5740\u6709\u5173\uff0c
    \u6bd4\u5982\u6bcf\u6761\u8bb0\u5f55\u5199\u4e00\u6b21\u65e5\u5fd7\u7136\u540e\u786e\u8ba4\uff0c\u4e0e\u4e00\u6b21\u6027\u5199\u5165\u4e00\u6279\u65e5\u5fd7\uff0c\u7136\u540e\u786e\u8ba4\u3002 <\/div>\n<\/p><\/div>\n<\/li>\n
  • \n","protected":false},"excerpt":{"rendered":"

    Django ORM \u5982\u4f55\u5b9e\u73b0 b…<\/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\/128140"}],"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=128140"}],"version-history":[{"count":0,"href":"http:\/\/4563.org\/index.php?rest_route=\/wp\/v2\/posts\/128140\/revisions"}],"wp:attachment":[{"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=128140"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=128140"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/4563.org\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=128140"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}