This interface defines pure-virtual methods for each of the user-facing overload sets in Client. That is, all of Client's Read() overloads will forward to the one pure-virtual Read() method declared in this interface, and similar for Client's other methods. This allows users to inject custom behavior (e.g., with a Google Mock object) in a Client object for use in their own tests.
To create a concrete instance that connects you to a real Spanner database, see MakeConnection().
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-22 UTC."],[[["\u003cp\u003eThis document details the \u003ccode\u003eConnection\u003c/code\u003e interface for interacting with a Spanner database, providing pure-virtual methods corresponding to each user-facing method in the \u003ccode\u003eClient\u003c/code\u003e class.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConnection\u003c/code\u003e interface enables users to inject custom behavior, such as with a Google Mock object, into a \u003ccode\u003eClient\u003c/code\u003e object for testing purposes, allowing for tailored interactions.\u003c/p\u003e\n"],["\u003cp\u003eA real connection to Spanner can be established using the \u003ccode\u003eMakeConnection()\u003c/code\u003e function, as per the provided documentation.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConnection\u003c/code\u003e interface includes methods like \u003ccode\u003eRead\u003c/code\u003e, \u003ccode\u003eExecuteQuery\u003c/code\u003e, \u003ccode\u003eExecuteDml\u003c/code\u003e, \u003ccode\u003eCommit\u003c/code\u003e, and \u003ccode\u003eRollback\u003c/code\u003e, among others, which are used to perform various database operations.\u003c/p\u003e\n"],["\u003cp\u003eThe document contains links to previous versions of the documentation, allowing users to navigate and locate specific information related to older releases of the client.\u003c/p\u003e\n"]]],[],null,[]]
