{"id":1823,"date":"2014-12-16T17:43:14","date_gmt":"2014-12-16T17:43:14","guid":{"rendered":"https:\/\/www.couchbase.com\/blog\/?p=1823"},"modified":"2023-06-28T01:25:34","modified_gmt":"2023-06-28T08:25:34","slug":"want-get-rid-documents-duplicate-content","status":"publish","type":"post","link":"https:\/\/www.couchbase.com\/blog\/pt\/want-get-rid-documents-duplicate-content\/","title":{"rendered":"Deseja se livrar de documentos com conte\u00fado duplicado?"},"content":{"rendered":"
\n

\"\"<\/p>\n

N\u00e3o importa se voc\u00ea est\u00e1 combinando dados de duas fontes de dados diferentes, se tem v\u00e1rias compras do mesmo cliente ou se acabou de inserir os mesmos dados em um formul\u00e1rio da Web duas vezes, parece que todos enfrentam o problema de dados duplicados em um momento ou outro. <\/span><\/b><\/p>\n

<\/p>\n

Nesta postagem do blog, veremos como usar o visualiza\u00e7\u00f5es<\/a> no Couchbase Server 2.0 para encontrar campos correspondentes entre documentos e reter os documentos n\u00e3o duplicados. Para fins deste exemplo, suponha que cada documento tenha tr\u00eas campos comuns especificados pelo usu\u00e1rio - <\/span>primeiro_nome<\/span>, <\/span>sobrenome<\/span>, <\/span>c\u00f3digo postal<\/span>. Usando o <\/span>cliente rubi<\/u><\/font><\/span> para o Couchbase Server e o <\/span>falsificador<\/span><\/a> ruby gem, voc\u00ea pode criar um simples <\/span>gerador de dados<\/span><\/a> para carregar alguns dados duplicados de amostra no Couchbase. Para usar o Ruby como linguagem de programa\u00e7\u00e3o com o Couchbase, voc\u00ea deve baixar o Ruby SDK <\/span>aqui<\/span><\/a>.<\/span><\/b><\/p>\n

\u00a0<\/p>\n

Aqui est\u00e1 um exemplo de execu\u00e7\u00e3o:<\/span><\/b><\/p>\n

\u00a0<\/p>\n

$ ruby .\/generate.rb -help<\/span><\/b><\/p>\n

Uso: generate.rb [op\u00e7\u00f5es]
\u00a0\u00a0\u00a0-h, -hostname HOSTNAME \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>Nome do host ao qual se conectar (padr\u00e3o: 127.0.0.1:8091)
\u00a0\u00a0\u00a0-u, -user USERNAME \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>Nome de usu\u00e1rio para registro (padr\u00e3o: nenhum)
\u00a0\u00a0\u00a0-p, -passwd SENHA \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span>Senha para registro (padr\u00e3o: nenhuma)
\u00a0\u00a0\u00a0-b, -nome do banco \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span> <\/span>Nome do bucket ao qual se conectar (padr\u00e3o: padr\u00e3o)
\u00a0\u00a0\u00a0-t, -total-records NUM \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span> <\/span>O n\u00famero total de registros a serem gerados (padr\u00e3o: 10000)
\u00a0\u00a0\u00a0-d, -duplicate-rate NUM \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span> <\/span>Cada registro NUM-th ser\u00e1 duplicado (padr\u00e3o: 30)
\u00a0\u00a0\u00a0-?, -help \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 <\/span> <\/span>Mostrar esta mensagem<\/span>

$ ruby .\/generate.rb -t 1000 -d 5
\u00a0\u00a0\u00a0\u00a0\u00a01000 \/ 1000<\/span><\/b><\/div>\n

\u00a0<\/p>\n

Cada documento no Couchbase tem uma chave especificada pelo usu\u00e1rio que pode ser acessada como <\/span>meta.id<\/span> na fun\u00e7\u00e3o de mapa da visualiza\u00e7\u00e3o. Na Figura 1 abaixo, h\u00e1 v\u00e1rios documentos carregados no Couchbase Server usando o cliente gerador de dados acima.<\/span><\/b><\/div>\n
\u00a0<\/div>\n
\"\"<\/span><\/b><\/div>\n<\/div>\n

Etapa 1<\/span><\/b><\/p>\n

Escreva uma fun\u00e7\u00e3o de mapa personalizada que emita o ID do documento (<\/span>meta.id<\/span>) de todos os documentos se um determinado padr\u00e3o duplicado corresponder (<\/span>primeiro_nome<\/span>, <\/span>sobrenome<\/span>, <\/span>c\u00f3digo postal<\/span> neste caso).<\/span><\/b><\/div>\n
\u00a0<\/div>\n
\n
\n

function (doc, meta) {<\/span><\/b><\/p>\n

\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0emit([doc.first_name + '-' + doc.last_name + '-' + doc.postal_code], meta.id);<\/span><\/b><\/p>\n

}<\/span><\/b><\/div>\n

A fun\u00e7\u00e3o de mapa define quando dois documentos s\u00e3o duplicados. De acordo com a fun\u00e7\u00e3o map definida acima, dois documentos s\u00e3o duplicados quando o nome, o sobrenome e o c\u00f3digo postal coincidem. Usamos '-' para evitar o aliasing dos dados quando concatenamos o nome, o sobrenome e o c\u00f3digo postal.<\/span><\/b><\/p>\n<\/div>\n

\n

Etapa 2<\/span><\/b><\/h2>\n

A fun\u00e7\u00e3o de redu\u00e7\u00e3o \u00e9 semelhante a - <\/font><\/p>\n

function (keys, values, rereduce) {<\/span><\/b><\/p>\n

\u00a0 se (rereduce) {<\/span>
\u00a0\u00a0\u00a0 var res = [];<\/span>
\u00a0\u00a0\u00a0 for (var i = 0; i < values.length; i++){<\/span>
\u00a0\u00a0\u00a0\u00a0\u00a0 res = res.concat(values[i])<\/span>
\u00a0\u00a0\u00a0 }<\/span>
\u00a0\u00a0\u00a0 return res;<\/span>
\u00a0 } else {<\/span>
\u00a0\u00a0\u00a0 valores de retorno;<\/span>
\u00a0 }<\/span>
}<\/span><\/b><\/div>\n
\u00a0<\/div>\n

Ap\u00f3s o agrupamento, se houver mais de um valor meta.id, n\u00f3s os concatenamos para obter uma lista de meta.ids referentes a um documento duplicado.<\/font><\/p>\n

\"\"<\/p>\n

Etapa 3<\/span><\/b><\/p>\n

A parte principal do <\/span>limpador de dados <\/span><\/a>\u00e9 escrito em Ruby. <\/span><\/b><\/div>\n
\u00a0<\/div>\n
\n
\n
\n
\u00a0<\/div>\n<\/div>\n
exigir<\/span> 'couchbase'<\/span><\/font><\/div>\n
\u00a0<\/div>\n
conex\u00e3o<\/span> =<\/span> Couchbase<\/span>.<\/span>conectar<\/span>(<\/span>op\u00e7\u00f5es<\/span>)<\/span><\/font><\/div>\n
ddoc<\/span> =<\/span> conex\u00e3o<\/span>.<\/span>documentos_de_design<\/span>[<\/span>op\u00e7\u00f5es<\/span>[<\/span>:design_document<\/span>]]<\/span><\/font><\/div>\n
visualiza\u00e7\u00e3o<\/span> =<\/span> ddoc<\/span>.<\/span>enviar<\/span>(<\/span>op\u00e7\u00f5es<\/span>[<\/span>:view<\/span>]<\/span>)<\/span><\/font><\/div>\n
conex\u00e3o<\/span>.<\/span>executar<\/span> fazer<\/span><\/font><\/div>\n
\u00a0visualiza\u00e7\u00e3o<\/span>.<\/span>cada<\/span>(<\/span>:group<\/span> =><\/span> verdadeiro<\/span>)<\/span> fazer<\/span> |<\/span>doc<\/span>|<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0dup_num<\/span> =<\/span> doc<\/span>.<\/span>valor<\/span>.<\/span>tamanho<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0se<\/span> dup_num<\/span> ><\/span> 1<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0coloca<\/span> \"left doc <\/span>#{<\/span>doc<\/span>.<\/span>valor<\/span>[<\/span>0<\/span>]<\/span>}<\/span>, “<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0# excluir documentos do pen\u00faltimo ao \u00faltimo<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0conex\u00e3o<\/span>.<\/span>excluir<\/span>(<\/span>doc<\/span>.<\/span>valor<\/span>[<\/span>1<\/span>.<\/span>.<\/span>–<\/span>1<\/span>]<\/span>)<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0coloca<\/span> \"removido <\/span>#{<\/span>dup_num<\/span>}<\/span> duplicata(s)\"<\/span><\/font><\/div>\n
\u00a0\u00a0\u00a0final<\/span><\/font><\/div>\n
\u00a0final<\/span><\/font><\/div>\n
final<\/span><\/font><\/div>\n<\/div>\n<\/div>\n
\u00a0<\/div>\n
Conecte-se ao Couchbase Server e consulte a exibi\u00e7\u00e3o. O campo de valor \u00e9 uma matriz de meta.ids que correspondem a documentos duplicados (nome, sobrenome e c\u00f3digo postal correspondentes). Se o tamanho da matriz for maior que 1, excluiremos todos os documentos, exceto o que corresponde ao \u00faltimo meta.id.<\/span><\/div>\n

\"\"<\/span><\/b><\/p>\n

Se o n\u00famero de meta.id's na matriz de valores for maior que 2, h\u00e1 documentos duplicados correspondentes a essa chave. Como mostrado na figura acima, id19 e id20 s\u00e3o documentos duplicados.<\/span><\/b><\/p>\n<\/div>\n

A sa\u00edda do script de limpeza de dados \u00e9 semelhante a -<\/span><\/b><\/div>\n
\"\"<\/div>\n
\u00a0<\/div>\n
Conforme mostrado na figura abaixo, os documentos duplicados foram eliminados. <\/span><\/b><\/div>\n
\"\"<\/span><\/b><\/div>\n
Aproveite!<\/div>\n
—<\/span><\/b><\/div>\n
Agradecemos a Sergey por ter elaborado o c\u00f3digo rubi.<\/span><\/b><\/div>","protected":false},"excerpt":{"rendered":"

Whether you\u2019re combining data from two different data sources, have multiple purchases from the same customer or just entered the same data in a web form twice, it seems like everyone faces the problem of duplicate data at one point […]<\/p>","protected":false},"author":4,"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":[8972],"class_list":["post-1823","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"acf":[],"yoast_head":"\nWant to get rid of documents with duplicate content? - 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\/want-get-rid-documents-duplicate-content\/\" \/>\n<meta property=\"og:locale\" content=\"pt_BR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Want to get rid of documents with duplicate content?\" \/>\n<meta property=\"og:description\" content=\"Whether you\u2019re combining data from two different data sources, have multiple purchases from the same customer or just entered the same data in a web form twice, it seems like everyone faces the problem of duplicate data at one point […]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.couchbase.com\/blog\/pt\/want-get-rid-documents-duplicate-content\/\" \/>\n<meta property=\"og:site_name\" content=\"The Couchbase Blog\" \/>\n<meta property=\"article:published_time\" content=\"2014-12-16T17:43:14+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-06-28T08:25:34+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.couchbase.com\/blog\/sites\/default\/files\/uploads\/all\/duplicate-content.jpg\" \/>\n<meta name=\"author\" content=\"Don Pinto, Principal Product Manager, Couchbase\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Don Pinto, Principal Product Manager, Couchbase\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"4 minutos\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/\"},\"author\":{\"name\":\"Don Pinto, Principal Product Manager, Couchbase\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/#\/schema\/person\/eb130a1e0278989e089a7fbbf8bc754c\"},\"headline\":\"Want to get rid of documents with duplicate content?\",\"datePublished\":\"2014-12-16T17:43:14+00:00\",\"dateModified\":\"2023-06-28T08:25:34+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/\"},\"wordCount\":620,\"commentCount\":4,\"publisher\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/#organization\"},\"image\":{\"@id\":\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/#primaryimage\"},\"thumbnailUrl\":\"https:\/\/www.couchbase.com\/blog\/wp-content\/uploads\/sites\/1\/2022\/11\/couchbase-nosql-dbaas.png\",\"articleSection\":[\"Uncategorized\"],\"inLanguage\":\"pt-BR\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/\",\"url\":\"https:\/\/www.couchbase.com\/blog\/want-get-rid-documents-duplicate-content\/\",\"name\":\"Want to get rid of documents with duplicate content? 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