[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-09-04 UTC."],[[["\u003cp\u003eThis webpage provides documentation for the \u003ccode\u003eBackup\u003c/code\u003e class within the Google Cloud Spanner C++ library, offering a range of versions from 2.11.0 to 2.37.0-rc (latest).\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eBackup\u003c/code\u003e class represents a Cloud Spanner backup, identified by an \u003ccode\u003eInstance\u003c/code\u003e and a \u003ccode\u003ebackup_id\u003c/code\u003e, and it does not validate the backup name components.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation details the constructors of the \u003ccode\u003eBackup\u003c/code\u003e class, including copy, move, and instance/backup ID based construction.\u003c/p\u003e\n"],["\u003cp\u003eIt also covers operators for copy and move assignment, as well as functions to get the associated \u003ccode\u003eInstance\u003c/code\u003e, \u003ccode\u003ebackup_id\u003c/code\u003e, and the full qualified backup name.\u003c/p\u003e\n"],["\u003cp\u003eThe content presented is focused on the C++ library and its implementation of the Cloud Spanner Backup class, with no mention of any other language.\u003c/p\u003e\n"]]],[],null,["# Class Backup (2.13.0)\n\nVersion 2.13.0keyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.41.0](/cpp/docs/reference/spanner/2.41.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.40.0](/cpp/docs/reference/spanner/2.40.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.39.0](/cpp/docs/reference/spanner/2.39.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.38.0](/cpp/docs/reference/spanner/2.38.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.37.0](/cpp/docs/reference/spanner/2.37.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.36.0](/cpp/docs/reference/spanner/2.36.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.35.0](/cpp/docs/reference/spanner/2.35.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.34.0](/cpp/docs/reference/spanner/2.34.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.33.0](/cpp/docs/reference/spanner/2.33.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.32.0](/cpp/docs/reference/spanner/2.32.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.31.0](/cpp/docs/reference/spanner/2.31.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.30.0](/cpp/docs/reference/spanner/2.30.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.29.0](/cpp/docs/reference/spanner/2.29.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.28.0](/cpp/docs/reference/spanner/2.28.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.27.0](/cpp/docs/reference/spanner/2.27.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.26.0](/cpp/docs/reference/spanner/2.26.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.25.1](/cpp/docs/reference/spanner/2.25.1/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.24.0](/cpp/docs/reference/spanner/2.24.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.23.0](/cpp/docs/reference/spanner/2.23.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.22.1](/cpp/docs/reference/spanner/2.22.1/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.21.0](/cpp/docs/reference/spanner/2.21.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.20.0](/cpp/docs/reference/spanner/2.20.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.19.0](/cpp/docs/reference/spanner/2.19.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.18.0](/cpp/docs/reference/spanner/2.18.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.17.0](/cpp/docs/reference/spanner/2.17.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.16.0](/cpp/docs/reference/spanner/2.16.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.15.1](/cpp/docs/reference/spanner/2.15.1/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.14.0](/cpp/docs/reference/spanner/2.14.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.13.0](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.12.0](/cpp/docs/reference/spanner/2.12.0/classgoogle_1_1cloud_1_1spanner_1_1Backup)\n- [2.11.0](/cpp/docs/reference/spanner/2.11.0/classgoogle_1_1cloud_1_1spanner_1_1Backup) \nThis class identifies a Cloud Spanner [Backup](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner_1_1Backup). \nA Cloud Spanner backup is identified by an [`Instance`](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner_1_1Instance) and a `backup_id`.\n| **Note:** This class makes no effort to validate the components of the backup name. It is the application's responsibility to provide valid project, instance, and backup ids. Passing invalid values will not be checked until the backup name is used in a RPC to spanner.\n\nConstructors\n------------\n\n### Backup(Backup const \\&)\n\nCopy and move\n\n### Backup(Backup \\&\\&)\n\nCopy and move\n\n### Backup(Instance, std::string)\n\nOperators\n---------\n\n### operator=(Backup const \\&)\n\nCopy and move\n\n### operator=(Backup \\&\\&)\n\nCopy and move\n\nFunctions\n---------\n\n### instance() const\n\nReturns the [`Instance`](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner_1_1Instance) containing this backup.\n\n### backup_id() const\n\nReturns the [Backup](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner_1_1Backup) ID.\n\n### FullName() const\n\nReturns the fully qualified backup name as a string of the form: \"projects/"]]