{"id":207780,"date":"2025-07-08T13:28:24","date_gmt":"2025-07-08T05:28:24","guid":{"rendered":"https:\/\/server.hk\/cnblog\/207780\/"},"modified":"2025-07-08T13:28:24","modified_gmt":"2025-07-08T05:28:24","slug":"%e6%97%a0%e6%b3%95%e4%bb%8e%e4%bd%bf%e7%94%a8-incompletekey-%e5%88%9b%e5%bb%ba%e7%9a%84%e6%95%b0%e6%8d%ae%e5%ad%98%e5%82%a8%e4%b8%ad%e6%a3%80%e7%b4%a2%e5%ae%9e%e4%bd%93","status":"publish","type":"post","link":"https:\/\/server.hk\/cnblog\/207780\/","title":{"rendered":"\u65e0\u6cd5\u4ece\u4f7f\u7528 IncompleteKey() \u521b\u5efa\u7684\u6570\u636e\u5b58\u50a8\u4e2d\u68c0\u7d22\u5b9e\u4f53"},"content":{"rendered":"<p><b><\/b> <\/p>\n<p>\u5f53\u524d\u4f4d\u7f6e\uff1a <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>&gt;<\/span> <span>\u65e0\u6cd5\u4ece\u4f7f\u7528 IncompleteKey() \u521b\u5efa\u7684\u6570\u636e\u5b58\u50a8\u4e2d\u68c0\u7d22\u5b9e\u4f53<\/span><\/p>\n<p><span>\u6765\u6e90\uff1astackoverflow<\/span><br \/>\n<span>2024-04-25 16:06:31<\/span><br \/>\n<span><i><\/i>0\u6d4f\u89c8<\/span><br \/>\n<span style=\"cursor: pointer\"><i><\/i>\u6536\u85cf<\/span> <\/p>\n<p>\u4eb2\u7231\u7684\u7f16\u7a0b\u5b66\u4e60\u7231\u597d\u8005\uff0c\u5982\u679c\u4f60\u70b9\u5f00\u4e86\u8fd9\u7bc7\u6587\u7ae0\uff0c\u8bf4\u660e\u4f60\u5bf9\u300a\u65e0\u6cd5\u4ece\u4f7f\u7528 IncompleteKey() \u521b\u5efa\u7684\u6570\u636e\u5b58\u50a8\u4e2d\u68c0\u7d22\u5b9e\u4f53\u300b\u5f88\u611f\u5174\u8da3\u3002\u672c\u7bc7\u6587\u7ae0\u5c31\u6765\u7ed9\u5927\u5bb6\u8be6\u7ec6\u89e3\u6790\u4e00\u4e0b\uff0c\u4e3b\u8981\u4ecb\u7ecd\u4e00\u4e0b\uff0c\u5e0c\u671b\u6240\u6709\u8ba4\u771f\u8bfb\u5b8c\u7684\u7ae5\u978b\u4eec\uff0c\u90fd\u6709\u5b9e\u8d28\u6027\u7684\u63d0\u9ad8\u3002<\/p>\n<p> \u95ee\u9898\u5185\u5bb9<br \/>\n <\/p>\n<p>\u6211\u6b63\u5728\u4f7f\u7528\u201ccloud.google.com\/go\/datastore\u201d\u4ece\u6570\u636e\u5b58\u50a8\u533a\u5b58\u50a8\u3001\u66f4\u65b0\u548c\u68c0\u7d22\u5b9e\u4f53\u3002\u6211\u521b\u5efa\u7684\u7ed3\u6784\u662f &#8211;<\/p>\n<pre>type texp struct {\n    key        string   `json:\"key\" datastore:\"key,noindex\"`\n    value      string   `json:\"value\" datastore:\"value,noindex\"`\n} \n\ntype service struct {\ndatalayer *datastore.client\n}<\/pre>\n<p>\u5f53\u6211\u4f7f\u7528 datastore.incompletekey(&#8220;texp&#8221;, nil) \u4e3a\u6b64\u521b\u5efa id \u65f6\uff0c\u6211\u80fd\u591f\u521b\u5efa\u5b9e\u4f53\u5e76\u53ef\u4ee5\u5728\u771f\u5b9e\u6570\u636e\u5b58\u50a8\u4e2d\u770b\u5230\u5b83\u3002<\/p>\n<pre>func (s service)addtexp(ctx context.context, request interface{}) (interface{}, error) {\n\nreq := request.(*texp)\nvar texp []texp\nvar texp2 texp\ntexp2.key   = req.key\ntexp2.value =   req.value\n\nquery := datastore.newquery(\"texp\").filter(\"key =\", req.key).namespace(\"adlive\")\nkeys, err := s.datalayer.getall(ctx, query, &amp;texp)\nif err != nil {\n    log.errorf(ctx,\"error occurred while checking existence of key in kind\")\n}\n\nif keys == nil {\nlog.infof(ctx,\"keys: %v \", keys)\nk := datastore.incompletekey(\"texp\", nil)\nk.namespace = \"adlive\"\nk.kind = \"texp\"\n\nif _, err := s.datalayer.put(ctx, k, &amp;texp2); err != nil {\n    return nil, marvin.newjsonstatusresponse(\n        \"could not add texp in ds\",\n        http.statusbadrequest,\n    )} \n   }\n   return \"ok\",nil\n}<\/pre>\n<p>\u95ee\u9898\u662f\u5728\u521b\u5efa\u4efb\u4f55\u5b9e\u4f53\u4e4b\u524d\uff0c\u6211\u60f3\u786e\u4fdd\u8be5\u6570\u636e\u5b58\u50a8\u4e2d\u4e0d\u5b58\u5728\u4efb\u4f55\u5177\u6709\u76f8\u540c\u952e\u503c\u7684\u5b9e\u4f53\u3002\u4e3a\u6b64\uff0c\u9996\u5148\u6211\u5c1d\u8bd5\u4f7f\u7528 getall \u65b9\u6cd5\u68c0\u67e5\u662f\u5426\u5b58\u5728\uff0c\u5982\u679c\u952e\u4e3a\u96f6\uff0c\u6211\u60f3\u8c03\u7528 datastore.put \u6765\u6dfb\u52a0\u65b0\u5b9e\u4f53\u3002\u7136\u800c\uff0c\u5728\u6bcf\u79cd\u60c5\u51b5\u4e0b\uff08\u5373\u4f7f\u5bf9\u4e8e\u6570\u636e\u5b58\u50a8\u4e2d\u5df2\u7ecf\u5b58\u5728\u7684\u5b9e\u4f53\uff09\uff0c\u201ckeys\u201d\u53d8\u91cf\u603b\u662f\u83b7\u5f97\u96f6\u503c\u3002 <\/p>\n<pre>keys, err := s.DataLayer.GetAll(ctx, query, &amp;tExp)<\/pre>\n<p>\u56e0\u6b64\uff0c\u5728\u6570\u636e\u5b58\u50a8\u4e2d\u4f7f\u7528\u76f8\u540c\u7684\u952e\u503c\u521b\u5efa\u591a\u4e2a\u5b9e\u4f53\u3002\u6211\u65e0\u6cd5\u627e\u51fa\u5982\u4f55\u5728 golang \u4e2d\u89e3\u51b3\u6b64\u95ee\u9898\u3002<\/p>\n<p>\u6ce8\u610f\uff1a- \u5728\u6570\u636e\u5b58\u50a8\u5b9e\u4f53\u4e2d\u5177\u6709\u7ed3\u6784<\/p>\n<p>[\u201c\u6570\u636e\u5b58\u50a8\u533a\u5728\u8c03\u7528 incompletekey \u65b9\u6cd5\u65f6\u81ea\u52a8\u751f\u6210\u7684\u540d\u79f0\/id\u201d\uff0ckey\uff0cvalue]\u3002<\/p>\n<p> <\/p>\n<h2>\u89e3\u51b3\u65b9\u6848<\/h2>\n<p> <\/p>\n<p>\u9996\u5148\uff0c\u5982\u679c\u8981\u83b7\u53d6\u7279\u5b9a\u5b9e\u4f53\uff0c\u5e94\u8be5\u4f7f\u7528 \u800c\u4e0d\u662f GetAll\uff0c\u56e0\u4e3a Get \u662f\u5f3a\u4e00\u81f4\u7684\uff0c\u800c GetAll \u4e0d\u662f\u3002<\/p>\n<p>\u5176\u6b21\uff0c\u7531\u4e8e\u60a8\u6b63\u5728\u4f7f\u7528\u4e0d\u5b8c\u6574\u7684\u5bc6\u94a5\u6267\u884c Put\uff0c\u56e0\u6b64\u60a8\u5c06\u6c38\u8fdc\u4e0d\u4f1a\u4e0e\u4ec5\u6dfb\u52a0\u5230\u6570\u636e\u5b58\u50a8\u4e2d\u7684\u65b0\u5b9e\u4f53\u53d1\u751f\u51b2\u7a81\u3002\u770b\u6765\u60a8\u5e0c\u671b\u4f7f\u7528 \u6765\u83b7\u53d6\u548c\u653e\u7f6e\u5177\u6709\u4f20\u9012\u5230\u51fd\u6570\u4e2d\u7684\u5b8c\u6574\u5bc6\u94a5\u7684\u5b9e\u4f53\u3002<\/p>\n<p>\u4eca\u5929\u5173\u4e8e\u300a\u65e0\u6cd5\u4ece\u4f7f\u7528 IncompleteKey() \u521b\u5efa\u7684\u6570\u636e\u5b58\u50a8\u4e2d\u68c0\u7d22\u5b9e\u4f53\u300b\u7684\u5185\u5bb9\u4ecb\u7ecd\u5c31\u5230\u6b64\u7ed3\u675f\uff0c\u5982\u679c\u6709\u4ec0\u4e48\u7591\u95ee\u6216\u8005\u5efa\u8bae\uff0c\u53ef\u4ee5\u5728\u516c\u4f17\u53f7\u4e0b\u591a\u591a\u56de\u590d\u4ea4\u6d41\uff1b\u6587\u4e2d\u82e5\u6709\u4e0d\u6b63\u4e4b\u5904\uff0c\u4e5f\u5e0c\u671b\u56de\u590d\u7559\u8a00\u4ee5\u544a\u77e5\uff01<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u5f53\u524d\u4f4d\u7f6e\uff1a &gt; &gt; &#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4925],"tags":[],"class_list":["post-207780","post","type-post","status-publish","format-standard","hentry","category-4925"],"_links":{"self":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207780","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/comments?post=207780"}],"version-history":[{"count":0,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/posts\/207780\/revisions"}],"wp:attachment":[{"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/media?parent=207780"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/categories?post=207780"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/server.hk\/cnblog\/wp-json\/wp\/v2\/tags?post=207780"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}