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[[["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 code sample demonstrates how to read rows from a Bigtable table using a list of row key prefixes.\u003c/p\u003e\n"],["\u003cp\u003eThe code utilizes the \u003ccode\u003ecbt::RowRange::Prefix\u003c/code\u003e method to define row ranges based on specified prefixes.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ecbt::RowSet\u003c/code\u003e is used to combine multiple row ranges, effectively creating a union of row key prefixes to be retrieved.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ecbt::Filter::Latest(1)\u003c/code\u003e allows you to only get the latest version of a cell.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003etable.ReadRows\u003c/code\u003e function executes the action of reading rows from the table.\u003c/p\u003e\n"]]],[],null,["Read rows with row keys matching any prefix in a list.\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 using ::google::cloud::StatusOr;\n [](cbt::Table table, std::vector\u003cstd::string\u003e const& prefix_list) {\n cbt::Filter filter = cbt::Filter::Latest(1);\n auto row_set = cbt::RowSet();\n for (auto const& prefix : prefix_list) {\n auto row_range_prefix = cbt::RowRange::Prefix(prefix);\n row_set.Append(row_range_prefix);\n }\n\n for (StatusOr\u003ccbt::Row\u003e& row : table.ReadRows(std::move(row_set), filter)) {\n if (!row) throw std::move(row).status();\n std::cout \u003c\u003c row-\u003erow_key() \u003c\u003c \":\\n\";\n for (cbt::Cell const& cell : row-\u003ecells()) {\n std::cout \u003c\u003c \"\\t\" \u003c\u003c cell.family_name() \u003c\u003c \":\"\n \u003c\u003c cell.column_qualifier() \u003c\u003c \" @ \"\n \u003c\u003c cell.timestamp().count() \u003c\u003c \"us\\n\"\n \u003c\u003c \"\\t\\\"\" \u003c\u003c cell.value() \u003c\u003c '\"' \u003c\u003c \"\\n\";\n }\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)."]]