[[["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 2025-08-14 UTC."],[[["\u003cp\u003eThe latest version available is 2.37.0-rc, with links provided for older versions, ranging from 2.36.0 back to 2.11.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eClientOptions\u003c/code\u003e enables users to configure various settings when creating a \u003ccode\u003eClient\u003c/code\u003e instance.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eClientOptions\u003c/code\u003e is now deprecated, and users should instead use \u003ccode\u003eOptions\u003c/code\u003e, setting fields like \u003ccode\u003eQueryOptimizerVersionOption\u003c/code\u003e, \u003ccode\u003eQueryOptimizerStatisticsPackageOption\u003c/code\u003e, \u003ccode\u003eRequestPriorityOption\u003c/code\u003e, or \u003ccode\u003eRequestTagOption\u003c/code\u003e as necessary.\u003c/p\u003e\n"],["\u003cp\u003eThere are constructors for creating \u003ccode\u003eClientOptions\u003c/code\u003e objects, including copy and move constructors.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eClientOptions\u003c/code\u003e class also features operators, including copy and move assignment, along with a conversion operator to \u003ccode\u003eOptions\u003c/code\u003e, as well as methods to set and get the \u003ccode\u003eQueryOptions\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,["# Class ClientOptions (2.42.0-rc)\n\nVersion latestkeyboard_arrow_down\n\n- [2.42.0-rc (latest)](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.41.0](/cpp/docs/reference/spanner/2.41.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.40.0](/cpp/docs/reference/spanner/2.40.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.39.0](/cpp/docs/reference/spanner/2.39.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.38.0](/cpp/docs/reference/spanner/2.38.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.37.0](/cpp/docs/reference/spanner/2.37.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.36.0](/cpp/docs/reference/spanner/2.36.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.35.0](/cpp/docs/reference/spanner/2.35.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.34.0](/cpp/docs/reference/spanner/2.34.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.33.0](/cpp/docs/reference/spanner/2.33.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.32.0](/cpp/docs/reference/spanner/2.32.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.31.0](/cpp/docs/reference/spanner/2.31.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.30.0](/cpp/docs/reference/spanner/2.30.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.29.0](/cpp/docs/reference/spanner/2.29.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.28.0](/cpp/docs/reference/spanner/2.28.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.27.0](/cpp/docs/reference/spanner/2.27.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.26.0](/cpp/docs/reference/spanner/2.26.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.25.1](/cpp/docs/reference/spanner/2.25.1/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.24.0](/cpp/docs/reference/spanner/2.24.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.23.0](/cpp/docs/reference/spanner/2.23.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.22.1](/cpp/docs/reference/spanner/2.22.1/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.21.0](/cpp/docs/reference/spanner/2.21.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.20.0](/cpp/docs/reference/spanner/2.20.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.19.0](/cpp/docs/reference/spanner/2.19.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.18.0](/cpp/docs/reference/spanner/2.18.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.17.0](/cpp/docs/reference/spanner/2.17.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.16.0](/cpp/docs/reference/spanner/2.16.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.15.1](/cpp/docs/reference/spanner/2.15.1/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.14.0](/cpp/docs/reference/spanner/2.14.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.13.0](/cpp/docs/reference/spanner/2.13.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.12.0](/cpp/docs/reference/spanner/2.12.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions)\n- [2.11.0](/cpp/docs/reference/spanner/2.11.0/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions) \n[ClientOptions](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions) allows the caller to set a variety of options when constructing a [`Client`](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1Client) instance. \n| **Deprecated:** Use [`Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html) instead, and set (as needed) [`QueryOptimizerVersionOption`](/cpp/docs/reference/spanner/latest/structgoogle_1_1cloud_1_1spanner_1_1QueryOptimizerVersionOption), [`QueryOptimizerStatisticsPackageOption`](/cpp/docs/reference/spanner/latest/structgoogle_1_1cloud_1_1spanner_1_1QueryOptimizerStatisticsPackageOption), [`RequestPriorityOption`](/cpp/docs/reference/spanner/latest/structgoogle_1_1cloud_1_1spanner_1_1RequestPriorityOption), or [`RequestTagOption`](/cpp/docs/reference/spanner/latest/structgoogle_1_1cloud_1_1spanner_1_1RequestTagOption).\n\nConstructors\n------------\n\n### ClientOptions()\n\n### ClientOptions(ClientOptions const \\&)\n\n### ClientOptions(ClientOptions \\&\\&)\n\nOperators\n---------\n\n### operator=(ClientOptions const \\&)\n\n### operator=(ClientOptions \\&\\&)\n\n### operator Options() const\n\nConvert the [`ClientOptions`](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1ClientOptions) to the new, recommended way to represent options of all varieties, [`google::cloud::Options`](https://cloud.google.com/cpp/docs/reference/common/latest/classgoogle_1_1cloud_1_1Options.html).\n\nFunctions\n---------\n\n### query_options() const\n\nReturns the [`QueryOptions`](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1QueryOptions)\n\n### set_query_options(QueryOptions)\n\nSets the [`QueryOptions`](/cpp/docs/reference/spanner/latest/classgoogle_1_1cloud_1_1spanner_1_1QueryOptions)"]]
