{"id":2754,"date":"2023-07-20T20:38:20","date_gmt":"2023-07-20T20:38:20","guid":{"rendered":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/"},"modified":"2023-07-20T20:38:20","modified_gmt":"2023-07-20T20:38:20","slug":"ciag-podzielony-mongodb","status":"publish","type":"post","link":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/","title":{"rendered":"Mongodb: jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w"},"content":{"rendered":"

<\/p>\n

\n

Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB:<\/span><\/p>\n

 db.myCollection.aggregate([\n  { $project<\/span> : { split_field: { $split<\/span> : [ \" $field1<\/span> \", \" \" ] } } },\n  { $merge<\/span> : \"myCollection\" }\n])<\/strong><\/pre>\n
 Ten konkretny przyk\u0142ad dzieli ci\u0105g \u201efield1\u201d na podstawie spacji na nowe pole o nazwie \u201esplit_field\u201d i dodaje nowe pole do kolekcji o nazwie myCollection<\/span> .<\/span><\/p>\n
 Poni\u017cszy przyk\u0142ad pokazuje, jak zastosowa\u0107 t\u0119 sk\u0142adni\u0119 w praktyce w przypadku<\/span> zespo\u0142u<\/span> windykacyjnego z nast\u0119puj\u0105cymi dokumentami:<\/span><\/p>\n
 db.teams.insertOne({name: \" Dallas Mavs<\/span> \", points: 31})\ndb.teams.insertOne({name: \" San Antonio Spurs<\/span> \", points: 22})\ndb.teams.insertOne({name: \" Houston Rockets<\/span> \", points: 19})\ndb.teams.insertOne({name: \" Boston Celtics<\/span> \", points: 26})\ndb.teams.insertOne({name: \" Cleveland Cavs<\/span> \", points: 33})<\/strong><\/pre>\n
 Przyk\u0142ad: Podziel ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB<\/strong><\/span><\/h3>\n
 Mo\u017cemy u\u017cy\u0107 poni\u017cszego kodu, aby podzieli\u0107 ci\u0105g znak\u00f3w w kolumnie \u201enazwa\u201d na tablic\u0119 ci\u0105g\u00f3w i wy\u015bwietli\u0107 wyniki w nowym polu o nazwie \u201enazwa_podzia\u0142u\u201d w kolekcji zespo\u0142\u00f3w<\/span> :<\/span><\/p>\n
 db.teams.aggregate([\n  { $project<\/span> : { split_name: { $split<\/span> : [ \" $name<\/span> \", \" \" ] } } },\n  { $merge<\/span> : \"teams\" }\n])<\/strong><\/pre>\n
 Tak wygl\u0105da teraz zaktualizowana kolekcja:<\/span><\/p>\n
 { _id: ObjectId(\"62014a924cb04b772fd7a938\"),\n  name: 'Dallas Mavs',\n  points: 31,\n  split_name: ['Dallas', 'Mavs'] }\n{ _id: ObjectId(\"62014a924cb04b772fd7a939\"),\n  name: 'San Antonio Spurs',\n  points: 22,\n  split_name: ['San', 'Antonio', 'Spurs'] }\n{ _id: ObjectId(\"62014a924cb04b772fd7a93a\"),\n  name: 'Houston Rockets',\n  points: 19,\n  split_name: ['Houston', 'Rockets'] }\n{ _id: ObjectId(\"62014a924cb04b772fd7a93b\"),\n  name: 'Boston Celtics',\n  points: 26,\n  split_name: ['Boston', 'Celtics'] }\n{ _id: ObjectId(\"62014a924cb04b772fd7a93c\"),\n  name: 'Cleveland Cavs',\n  points: 33,\n  split_name: ['Cleveland', 'Cavs'] }<\/strong><\/pre>\n
 Nale\u017cy pami\u0119ta\u0107, \u017ce ka\u017cdy dokument ma nowe pole o nazwie \u201enazwa_podzia\u0142u\u201d, kt\u00f3re zawiera tablic\u0119 podci\u0105g\u00f3w pola \u201enazwa\u201d.<\/span><\/p>\n
 W tym konkretnym przyk\u0142adzie zdecydowali\u015bmy si\u0119 podzieli\u0107 oryginalny ci\u0105g znak\u00f3w, u\u017cywaj\u0105c pustej spacji jako separatora.<\/span><\/p>\n
 Je\u015bli ci\u0105g znak\u00f3w jest oddzielony innym ogranicznikiem (np. \u0142\u0105cznikiem, uko\u015bnikiem, dwukropkiem itp.), po prostu u\u017cyj tego ogranicznika w funkcji $split<\/strong> .<\/span><\/p>\n
 Uwaga<\/strong> : Pe\u0142n\u0105 dokumentacj\u0119 funkcji $split<\/strong> znajdziesz tutaj<\/a> .<\/span><\/p>\n
 Dodatkowe zasoby<\/strong><\/span><\/h3>\n
 Poni\u017csze samouczki wyja\u015bniaj\u0105, jak wykonywa\u0107 inne typowe operacje w MongoDB:<\/span><\/p>\n
 MongoDB: Jak sprawdzi\u0107, czy pole zawiera ci\u0105g znak\u00f3w<\/a>
 MongoDB: Jak doda\u0107 nowe pole<\/a>
 MongoDB: Jak usun\u0105\u0107 pole<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"
Mo\u017cesz u\u017cy\u0107 nast\u0119puj\u0105cej sk\u0142adni, aby podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB: db.myCollection.aggregate([ { $project : { split_field: { $split : [ ” $field1 „, ” ” ] } } }, { $merge : „myCollection” } ]) Ten konkretny przyk\u0142ad dzieli ci\u0105g \u201efield1\u201d na podstawie spacji na nowe pole o nazwie \u201esplit_field\u201d i dodaje nowe […]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3],"tags":[],"class_list":["post-2754","post","type-post","status-publish","format-standard","hentry","category-przewodnik"],"yoast_head":"\nMongoDB: Jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w - Statorials<\/title>\n<meta name=\"description\" content=\"W tym samouczku wyja\u015bniono, jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/\" \/>\n<meta property=\"og:locale\" content=\"pl_PL\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"MongoDB: Jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w - Statorials\" \/>\n<meta property=\"og:description\" content=\"W tym samouczku wyja\u015bniono, jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/\" \/>\n<meta property=\"og:site_name\" content=\"Statorials\" \/>\n<meta property=\"article:published_time\" content=\"2023-07-20T20:38:20+00:00\" \/>\n<meta name=\"author\" content=\"Benjamin Anderson\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Napisane przez\" \/>\n\t<meta name=\"twitter:data1\" content=\"Benjamin Anderson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Szacowany czas czytania\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minuty\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/\",\"url\":\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/\",\"name\":\"MongoDB: Jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w - Statorials\",\"isPartOf\":{\"@id\":\"https:\/\/statorials.org\/pl\/#website\"},\"datePublished\":\"2023-07-20T20:38:20+00:00\",\"dateModified\":\"2023-07-20T20:38:20+00:00\",\"author\":{\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\"},\"description\":\"W tym samouczku wyja\u015bniono, jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.\",\"breadcrumb\":{\"@id\":\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/#breadcrumb\"},\"inLanguage\":\"pl-PL\",\"potentialAction\":[{\"@type\":\"ReadAction\",\"target\":[\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/\"]}]},{\"@type\":\"BreadcrumbList\",\"@id\":\"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/#breadcrumb\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Dom\",\"item\":\"https:\/\/statorials.org\/pl\/\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Mongodb: jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w\"}]},{\"@type\":\"WebSite\",\"@id\":\"https:\/\/statorials.org\/pl\/#website\",\"url\":\"https:\/\/statorials.org\/pl\/\",\"name\":\"Statorials\",\"description\":\"Tw\u00f3j przewodnik po kompetencjach statystycznych!\",\"potentialAction\":[{\"@type\":\"SearchAction\",\"target\":{\"@type\":\"EntryPoint\",\"urlTemplate\":\"https:\/\/statorials.org\/pl\/?s={search_term_string}\"},\"query-input\":\"required name=search_term_string\"}],\"inLanguage\":\"pl-PL\"},{\"@type\":\"Person\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965\",\"name\":\"Benjamin Anderson\",\"image\":{\"@type\":\"ImageObject\",\"inLanguage\":\"pl-PL\",\"@id\":\"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/\",\"url\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"contentUrl\":\"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg\",\"caption\":\"Benjamin Anderson\"},\"description\":\"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej\",\"sameAs\":[\"https:\/\/statorials.org\/pl\"]}]}<\/script>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"MongoDB: Jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w - Statorials","description":"W tym samouczku wyja\u015bniono, jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/","og_locale":"pl_PL","og_type":"article","og_title":"MongoDB: Jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w - Statorials","og_description":"W tym samouczku wyja\u015bniono, jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.","og_url":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/","og_site_name":"Statorials","article_published_time":"2023-07-20T20:38:20+00:00","author":"Benjamin Anderson","twitter_card":"summary_large_image","twitter_misc":{"Napisane przez":"Benjamin Anderson","Szacowany czas czytania":"2 minuty"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/","url":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/","name":"MongoDB: Jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w - Statorials","isPartOf":{"@id":"https:\/\/statorials.org\/pl\/#website"},"datePublished":"2023-07-20T20:38:20+00:00","dateModified":"2023-07-20T20:38:20+00:00","author":{"@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965"},"description":"W tym samouczku wyja\u015bniono, jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w w MongoDB, \u0142\u0105cznie z pe\u0142nym przyk\u0142adem.","breadcrumb":{"@id":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/#breadcrumb"},"inLanguage":"pl-PL","potentialAction":[{"@type":"ReadAction","target":["https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/statorials.org\/pl\/ciag-podzielony-mongodb\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Dom","item":"https:\/\/statorials.org\/pl\/"},{"@type":"ListItem","position":2,"name":"Mongodb: jak podzieli\u0107 ci\u0105g na tablic\u0119 podci\u0105g\u00f3w"}]},{"@type":"WebSite","@id":"https:\/\/statorials.org\/pl\/#website","url":"https:\/\/statorials.org\/pl\/","name":"Statorials","description":"Tw\u00f3j przewodnik po kompetencjach statystycznych!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/statorials.org\/pl\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"pl-PL"},{"@type":"Person","@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/6484727a4612df3e69f016c3129c6965","name":"Benjamin Anderson","image":{"@type":"ImageObject","inLanguage":"pl-PL","@id":"https:\/\/statorials.org\/pl\/#\/schema\/person\/image\/","url":"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg","contentUrl":"https:\/\/statorials.org\/pl\/wp-content\/uploads\/2023\/11\/Benjamin-Anderson-96x96.jpg","caption":"Benjamin Anderson"},"description":"Cze\u015b\u0107, jestem Benjamin i jestem emerytowanym profesorem statystyki, kt\u00f3ry zosta\u0142 oddanym nauczycielem Statorials. Dzi\u0119ki bogatemu do\u015bwiadczeniu i wiedzy specjalistycznej w dziedzinie statystyki ch\u0119tnie dziel\u0119 si\u0119 swoj\u0105 wiedz\u0105, aby wzmocni\u0107 pozycj\u0119 uczni\u00f3w za po\u015brednictwem Statorials. Wiedzie\u0107 wi\u0119cej","sameAs":["https:\/\/statorials.org\/pl"]}]}},"yoast_meta":{"yoast_wpseo_title":"","yoast_wpseo_metadesc":"","yoast_wpseo_canonical":""},"_links":{"self":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/2754","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/comments?post=2754"}],"version-history":[{"count":0,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/posts\/2754\/revisions"}],"wp:attachment":[{"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/media?parent=2754"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/categories?post=2754"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/statorials.org\/pl\/wp-json\/wp\/v2\/tags?post=2754"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}