{"id":1797,"date":"2014-12-16T18:04:46","date_gmt":"2014-12-16T18:04:45","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=1797"},"modified":"2023-06-28T01:19:02","modified_gmt":"2023-06-28T08:19:02","slug":"startkeydocid-behaviour","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/startkeydocid-behaviour\/","title":{"rendered":"`startkey_docid` Comportamento"},"content":{"rendered":"

Hoje, recebemos uma pergunta interessante no Stack Overflow (<\/span>https:\/\/stackoverflow.com\/q\/20083932\/98509<\/span><\/a>) in relation to the correct usage of `<\/span>startkey_docid`<\/span>. The question was prompted as the user was passing in a valid `<\/span>startkey`<\/span> and `<\/span>startkey_docid`<\/span>, however the `<\/span>startkey_docid`<\/span> appeared to be ignored by the view. It is important to realized that the primary use case of the `<\/span>startkey_docid`<\/span> \u00e9 permitir que voc\u00ea pagine suas solicita\u00e7\u00f5es de exibi\u00e7\u00e3o (consulte:\u00a0<\/span>https:\/\/www.couchbase.com\/blog\/pagination-couchbase<\/a>)\u00a0<\/span>by passing in a `<\/span>startkey`<\/span> and `<\/span>startkey_docid`<\/span> that matches the last document from your last page, which allows you to properly paginate in the case where numerous documents are emitting the same key. Since the correct usage of `<\/span>startkey_docid`<\/span> est\u00e1 no topo de minha mente, achei que este seria um bom momento para explicar o comportamento para o futuro.<\/span><\/p>\n

Here is a quick list of the important things to remember about `startkey_docid`<\/span>:<\/p>\n

    \n
  1. `startkey_docid`<\/span> will be entirely ignored if `startkey`<\/span> \u00e9 omitido.<\/li>\n
  2. `startkey_docid`<\/span> will only function correctly if you specify a `startkey`<\/span> que corresponde exatamente aos documentos que est\u00e3o indexados na exibi\u00e7\u00e3o.<\/li>\n
  3. `startkey_docid`<\/span> is expected to exactly match one of the docid’s in the results which exactly match your `startkey`<\/span>. Se n\u00e3o houver correspond\u00eancia, os resultados come\u00e7ar\u00e3o na chave a seguir.<\/li>\n<\/ol>\n

    Pro-tip: If you need to verify how many exact matching rows are going to be returned for a particular `startkey`<\/span>, try first executing a view request with the `key` parameter rather than `startkey`.<\/p>\n

    P.S. The semantics for `endkey`<\/span> and `endkey_docid`<\/span> behave identically to `startkey`<\/span> and `startkey_docid`<\/span> conforme especificado aqui.<\/p>\n

    Abra\u00e7os, Brett<\/p>","protected":false},"excerpt":{"rendered":"

    Today we had an interesting question pop up on Stack Overflow (https:\/\/stackoverflow.com\/q\/20083932\/98509) in relation to the correct usage of `startkey_docid`. The question was prompted as the user was passing in a valid `startkey` and `startkey_docid`, however the `startkey_docid` appeared to […]<\/p>","protected":false},"author":31,"featured_media":13873,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"footnotes":""},"categories":[1],"tags":[],"ppma_author":[9004],"class_list":["post-1797","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"\n`startkey_docid` Behaviour - The Couchbase Blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.couchbase.com\/blog\/pt\/startkeydocid-behaviour\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"`startkey_docid` Behaviour\" \/>\n<meta property=\"og:description\" content=\"Today we had an interesting question pop up on Stack Overflow (https:\/\/stackoverflow.com\/q\/20083932\/98509) in relation to the correct usage of `startkey_docid`. 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