Limitar células por linha (HBase)
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Cria um filtro limitante em células por linha.
Mais informações
Para ver a documentação detalhada que inclui este exemplo de código, consulte:
Exemplo de código
Exceto em caso de indicação contrária, o conteúdo desta página é licenciado de acordo com a Licença de atribuição 4.0 do Creative Commons, e as amostras de código são licenciadas de acordo com a Licença Apache 2.0. Para mais detalhes, consulte as políticas do site do Google Developers. Java é uma marca registrada da Oracle e/ou afiliadas.
[[["Fácil de entender","easyToUnderstand","thumb-up"],["Meu problema foi resolvido","solvedMyProblem","thumb-up"],["Outro","otherUp","thumb-up"]],[["Difícil de entender","hardToUnderstand","thumb-down"],["Informações incorretas ou exemplo de código","incorrectInformationOrSampleCode","thumb-down"],["Não contém as informações/amostras de que eu preciso","missingTheInformationSamplesINeed","thumb-down"],["Problema na tradução","translationIssue","thumb-down"],["Outro","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis content demonstrates how to implement a filter that limits the number of cells retrieved per row in a Bigtable table.\u003c/p\u003e\n"],["\u003cp\u003eThe code sample utilizes the \u003ccode\u003eColumnPaginationFilter\u003c/code\u003e to limit the results to the first 2 cells of each row.\u003c/p\u003e\n"],["\u003cp\u003eThe sample also points the user towards resources that allow them to learn about using other filters, as well as how to authenticate their Bigtable connection.\u003c/p\u003e\n"],["\u003cp\u003eYou can see other Google Cloud Product's Code samples using the Google Cloud Sample Browser.\u003c/p\u003e\n"]]],[],null,["Creates a limiting filter on cells per row.\n\nExplore further\n\n\nFor detailed documentation that includes this code sample, see the following:\n\n- [Use filters](/bigtable/docs/using-filters)\n\nCode sample \n\nJava\n\n\nTo learn how to install and use the client library for Bigtable, see\n[Bigtable client libraries](/bigtable/docs/reference/libraries).\n\n\nTo authenticate to Bigtable, set up Application Default Credentials.\nFor more information, see\n\n[Set up authentication for a local development environment](/docs/authentication/set-up-adc-local-dev-environment).\n\n public static void filterLimitCellsPerRow() {\n // TODO(developer): Replace these variables before running the sample.\n String projectId = \"my-project-id\";\n String instanceId = \"my-instance-id\";\n String tableId = \"mobile-time-series\";\n filterLimitCellsPerRow(projectId, instanceId, tableId);\n }\n\n public static void filterLimitCellsPerRow(String projectId, String instanceId, String tableId) {\n // A filter that matches the first 2 cells of each row\n // Filter filter = new ColumnCountGetFilter(2);\n Filter filter = new ColumnPaginationFilter(2, 0);\n\n Scan scan = new Scan().setFilter(filter);\n readWithFilter(projectId, instanceId, tableId, scan);\n }\n\nWhat's next\n\n\nTo search and filter code samples for other Google Cloud products, see the\n[Google Cloud sample browser](/docs/samples?product=bigtable)."]]