Acessar ou criar uma tabela
Mantenha tudo organizado com as coleções
Salve e categorize o conteúdo com base nas suas preferências.
Veja os detalhes da tabela, se ela existir, ou crie uma nova automaticamente se ela não existir.
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 retrieve table details from Bigtable if the table exists.\u003c/p\u003e\n"],["\u003cp\u003eIt outlines the process of automatically creating a table in Bigtable if it does not already exist.\u003c/p\u003e\n"],["\u003cp\u003eThe content includes code examples in C++ that showcase the table retrieval and creation process using the Bigtable client library.\u003c/p\u003e\n"],["\u003cp\u003eThe code provided can be used to authenticate to Bigtable.\u003c/p\u003e\n"],["\u003cp\u003eIt also mentions the use of the Google Cloud sample browser to search for additional code examples.\u003c/p\u003e\n"]]],[],null,["Get table details if it exists, or autocreate a table if it does not exist.\n\nCode sample \n\nC++\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 namespace cbt = ::google::cloud::bigtable;\n namespace cbta = ::google::cloud::bigtable_admin;\n using ::google::cloud::StatusOr;\n [](cbta::BigtableTableAdminClient admin, std::string const& project_id,\n std::string const& instance_id, std::string const& table_id) {\n std::string instance_name = cbt::InstanceName(project_id, instance_id);\n std::string table_name = cbt::TableName(project_id, instance_id, table_id);\n\n google::bigtable::admin::v2::GetTableRequest r;\n r.set_name(table_name);\n r.set_view(google::bigtable::admin::v2::Table::FULL);\n\n StatusOr\u003cgoogle::bigtable::admin::v2::Table\u003e table = admin.GetTable(r);\n if (!table &&\n table.status().code() == google::cloud::StatusCode::kNotFound) {\n // The table does not exist, try to create the table.\n table = admin.CreateTable(instance_name, table_id, {});\n if (!table) throw std::move(table).status();\n // The schema returned by a `CreateTable()` request does not include all\n // the metadata for a table, we need to explicitly request the rest:\n table = admin.GetTable(std::move(r));\n }\n if (!table) throw std::move(table).status();\n std::cout \u003c\u003c \"Table metadata: \" \u003c\u003c table-\u003eDebugString() \u003c\u003c \"\\n\";\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)."]]