[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 webpage provides reference documentation for the \u003ccode\u003eDatabase.Types.ConcurrencyMode\u003c/code\u003e enum in the Firestore Admin v1 API.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of this documentation is for version 3.12.0, but there are also 15 other versions available.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eConcurrencyMode\u003c/code\u003e enum defines the types of concurrency control for transactions, including \u003ccode\u003eOptimistic\u003c/code\u003e, \u003ccode\u003eOptimisticWithEntityGroups\u003c/code\u003e, \u003ccode\u003ePessimistic\u003c/code\u003e, and \u003ccode\u003eUnspecified\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003e\u003ccode\u003eOptimistic\u003c/code\u003e and \u003ccode\u003ePessimistic\u003c/code\u003e concurrency control are available for Cloud Firestore databases, while \u003ccode\u003eOptimisticWithEntityGroups\u003c/code\u003e is used for Cloud Datastore and is not recommended for Cloud Firestore with Datastore Mode.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePessimistic\u003c/code\u003e mode is the default setting for Cloud Firestore.\u003c/p\u003e\n"]]],[],null,[]]
