Firestore Admin v1 API - Enum Database.Types.ConcurrencyMode (3.13.0)
Note: Some or all of the information on this page might not apply
to Trusted Cloud. For a list of services that are available in
Trusted Cloud, see Services available for
Trusted Cloud .
Version 3.13.0keyboard_arrow_down
public enum Database . Types . ConcurrencyMode
Reference documentation and code samples for the Firestore Admin v1 API enum Database.Types.ConcurrencyMode.
The type of concurrency control mode for transactions.
Namespace
Google.Cloud.Firestore.Admin.V1
Assembly
Google.Cloud.Firestore.Admin.V1.dll
Fields
Name Description
OptimisticUse optimistic concurrency control by default. This mode is available
for Cloud Firestore databases.
OptimisticWithEntityGroupsUse optimistic concurrency control with entity groups by default.
This is the only available mode for Cloud Datastore.
This mode is also available for Cloud Firestore with Datastore Mode but
is not recommended.
PessimisticUse pessimistic concurrency control by default. This mode is available
for Cloud Firestore databases.
This is the default setting for Cloud Firestore.
UnspecifiedNot used.
Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4.0 License , and code samples are licensed under the Apache 2.0 License . For details, see the Google Developers Site Policies . Java is a registered trademark of Oracle and/or its affiliates.
Last updated 2025-08-07 UTC.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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."],[],[],null,[]]
