A per-request tag which can be applied to queries or reads, used for
statistics collection.
Both request_tag and transaction_tag can be specified for a read or query
that belongs to a transaction.
This field is ignored for requests where it's not applicable (e.g.
CommitRequest).
Legal characters for request_tag values are all printable characters
(ASCII 32 - 126) and the length of a request_tag is limited to 50
characters. Values that exceed this limit are truncated.
Any leading underscore (_) characters will be removed from the string.
A tag used for statistics collection about this transaction.
Both request_tag and transaction_tag can be specified for a read or query
that belongs to a transaction.
The value of transaction_tag should be the same for all requests belonging
to the same transaction.
If this request doesn't belong to any transaction, transaction_tag will be
ignored.
Legal characters for transaction_tag values are all printable characters
(ASCII 32 - 126) and the length of a transaction_tag is limited to 50
characters. Values that exceed this limit are truncated.
Any leading underscore (_) characters will be removed from the string.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe page documents various versions of \u003ccode\u003eRequestOptions\u003c/code\u003e within the \u003ccode\u003eGoogle.Cloud.Spanner.V1\u003c/code\u003e namespace, ranging from the latest beta version 5.0.0-beta05 down to version 3.5.0.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eRequestOptions\u003c/code\u003e is a class that provides common options for requests to different APIs, inheriting from \u003ccode\u003eObject\u003c/code\u003e and implementing multiple interfaces such as \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe class \u003ccode\u003eRequestOptions\u003c/code\u003e includes constructors for creating instances, either empty or by copying another \u003ccode\u003eRequestOptions\u003c/code\u003e object, and has properties for setting the request \u003ccode\u003ePriority\u003c/code\u003e, \u003ccode\u003eRequestTag\u003c/code\u003e, and \u003ccode\u003eTransactionTag\u003c/code\u003e to influence the handling and tracking of requests.\u003c/p\u003e\n"],["\u003cp\u003eThe request tag and transaction tag are both limited to 50 characters, and only allows printable ASCII characters (32-126) while removing leading underscore characters, to be used for statistics collection and identifying transactions.\u003c/p\u003e\n"]]],[],null,[]]
