Menghapus kolom dengan mutate
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Menghapus kolom dalam baris menggunakan mutate.
Contoh kode
Kecuali dinyatakan lain, konten di halaman ini dilisensikan berdasarkan Lisensi Creative Commons Attribution 4.0, sedangkan contoh kode dilisensikan berdasarkan Lisensi Apache 2.0. Untuk mengetahui informasi selengkapnya, lihat Kebijakan Situs Google Developers. Java adalah merek dagang terdaftar dari Oracle dan/atau afiliasinya.
[[["Mudah dipahami","easyToUnderstand","thumb-up"],["Memecahkan masalah saya","solvedMyProblem","thumb-up"],["Lainnya","otherUp","thumb-up"]],[["Sulit dipahami","hardToUnderstand","thumb-down"],["Informasi atau kode contoh salah","incorrectInformationOrSampleCode","thumb-down"],["Informasi/contoh yang saya butuhkan tidak ada","missingTheInformationSamplesINeed","thumb-down"],["Masalah terjemahan","translationIssue","thumb-down"],["Lainnya","otherDown","thumb-down"]],[],[[["\u003cp\u003eThis code snippet demonstrates how to delete specific columns within a row in Bigtable using the \u003ccode\u003emutate\u003c/code\u003e function in C++.\u003c/p\u003e\n"],["\u003cp\u003eAuthentication to Bigtable requires setting up Application Default Credentials for a local development environment.\u003c/p\u003e\n"],["\u003cp\u003eThe provided example utilizes the Bigtable client library and the \u003ccode\u003eSingleRowMutation\u003c/code\u003e class to construct the delete operations for specified columns.\u003c/p\u003e\n"],["\u003cp\u003eThe Google Cloud sample browser is a resource for finding code samples for other Google Cloud products, including Bigtable.\u003c/p\u003e\n"]]],[],null,["Delete columns within a row using mutate.\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 [](cbt::Table table, std::string const& key,\n std::vector\u003cstd::pair\u003cstd::string, std::string\u003e\u003e const& columns) {\n cbt::SingleRowMutation mutation(key);\n for (auto const& c : columns) {\n mutation.emplace_back(cbt::DeleteFromColumn(c.first, c.second));\n }\n google::cloud::Status status = table.Apply(std::move(mutation));\n if (!status.ok()) throw std::runtime_error(status.message());\n std::cout \u003c\u003c \"Columns successfully deleted from row\\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)."]]
