[[["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 2025-03-21 UTC."],[[["This webpage details the `ConcurrencyMode` enum, which defines the type of concurrency control for transactions within the Google Cloud Firestore Admin V1 namespace."],["The latest version documented is 3.12.0, while the content also includes information on versions ranging from 3.11.0 down to 2.2.0."],["There are four distinct fields within the `ConcurrencyMode` enum: `Optimistic`, `OptimisticWithEntityGroups`, `Pessimistic`, and `Unspecified`, each controlling the transaction type in relation to concurrency control."],["`Pessimistic` is noted as the default setting for Cloud Firestore, whereas `OptimisticWithEntityGroups` is the only mode available for Cloud Datastore."]]],[]]
