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Sauf indication contraire, le contenu de cette page est régi par une licence Creative Commons Attribution 4.0, et les échantillons de code sont régis par une licence Apache 2.0. Pour en savoir plus, consultez les Règles du site Google Developers. Java est une marque déposée d'Oracle et/ou de ses sociétés affiliées.
[[["Facile à comprendre","easyToUnderstand","thumb-up"],["J'ai pu résoudre mon problème","solvedMyProblem","thumb-up"],["Autre","otherUp","thumb-up"]],[["Difficile à comprendre","hardToUnderstand","thumb-down"],["Informations ou exemple de code incorrects","incorrectInformationOrSampleCode","thumb-down"],["Il n'y a pas l'information/les exemples dont j'ai besoin","missingTheInformationSamplesINeed","thumb-down"],["Problème de traduction","translationIssue","thumb-down"],["Autre","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis document demonstrates how to read data from a Bigtable table using a noncontiguous set of row keys in C++.\u003c/p\u003e\n"],["\u003cp\u003eThe provided code sample utilizes the Bigtable C++ client library to read rows based on the specified row keys.\u003c/p\u003e\n"],["\u003cp\u003eThe code iterates through the provided row keys, appending each to a \u003ccode\u003eRowSet\u003c/code\u003e, which is then used to read the rows with a specified filter, which in this case is \u003ccode\u003eLatest(1)\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication for the Bigtable can be set up by configuring Application Default Credentials.\u003c/p\u003e\n"],["\u003cp\u003eThe content suggests where to find additional code samples for Bigtable and other Google Cloud products.\u003c/p\u003e\n"]]],[],null,["Read using a noncontiguous set of row keys.\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& row_keys) {\n auto row_set = cbt::RowSet();\n\n for (auto const& row_key : row_keys) {\n row_set.Append(row_key);\n }\n\n cbt::Filter filter = cbt::Filter::Latest(1);\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 (auto 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)."]]