Skip to content

propose support for XREADGROUP CLAIM #2972

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
wants to merge 3 commits into
base: main
Choose a base branch
from
Open

propose support for XREADGROUP CLAIM #2972

Show file tree
Hide file tree
Changes from all commits
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
751686f
propose support for XREADGROUP CLAIM
mgravell Oct 21, 2025
a190370
release notes
mgravell Oct 21, 2025
e03029b
comma nit
mgravell Oct 21, 2025
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
2 changes: 2 additions & 0 deletions docs/ReleaseNotes.md
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -8,6 +8,8 @@ Current package versions:

## Unreleased

- Support `XREADGROUP CLAIM` ([#2972 by mgravell](https://github.com/StackExchange/StackExchange.Redis/pull/2972))

## 2.9.32

- Fix `SSUBSCRIBE` routing during slot migrations ([#2969 by mgravell](https://github.com/StackExchange/StackExchange.Redis/pull/2969))
Expand Down
25 changes: 25 additions & 0 deletions src/StackExchange.Redis/APITypes/StreamEntry.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -14,6 +14,19 @@ public StreamEntry(RedisValue id, NameValueEntry[] values)
{
Id = id;
Values = values;
IdleTime = null;
DeliveryCount = 0;
}

/// <summary>
/// Creates an stream entry.
/// </summary>
public StreamEntry(RedisValue id, NameValueEntry[] values, TimeSpan? idleTime, int deliveryCount)
{
Id = id;
Values = values;
IdleTime = idleTime;
DeliveryCount = deliveryCount;
}

/// <summary>
Expand Down Expand Up @@ -51,6 +64,18 @@ public RedisValue this[RedisValue fieldName]
}
}

/// <summary>
/// Delivery count - the number of times this entry has been delivered: 0 for new messages that haven't been delivered before,
/// 1+ for claimed messages (previously unacknowledged entries).
/// </summary>
public int DeliveryCount { get; }

/// <summary>
/// Idle time in milliseconds - the number of milliseconds elapsed since this entry was last delivered to a consumer.
/// </summary>
/// <remarks>This member is populated when using <c>XREADGROUP</c> with <c>CLAIM</c>.</remarks>
public TimeSpan? IdleTime { get; }

/// <summary>
/// Indicates that the Redis Stream Entry is null.
/// </summary>
Expand Down
20 changes: 19 additions & 1 deletion src/StackExchange.Redis/Interfaces/IDatabase.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -3004,7 +3004,25 @@ IEnumerable<SortedSetEntry> SortedSetScan(
/// <para>Equivalent of calling <c>XREADGROUP GROUP groupName consumerName COUNT countPerStream STREAMS stream1 stream2 id1 id2</c>.</para>
/// <para><seealso href="https://redis.io/commands/xreadgroup"/></para>
/// </remarks>
RedisStream[] StreamReadGroup(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, CommandFlags flags = CommandFlags.None);
RedisStream[] StreamReadGroup(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream, bool noAck, CommandFlags flags);

/// <summary>
/// Read from multiple streams into the given consumer group.
/// The consumer group with the given <paramref name="groupName"/> will need to have been created for each stream prior to calling this method.
/// </summary>
/// <param name="streamPositions">Array of streams and the positions from which to begin reading for each stream.</param>
/// <param name="groupName">The name of the consumer group.</param>
/// <param name="consumerName">The name of the consumer.</param>
/// <param name="countPerStream">The maximum number of messages to return from each stream.</param>
/// <param name="noAck">When true, the message will not be added to the pending message list.</param>
/// <param name="claimMinIdleTime">Auto-claim messages that have been idle for at least this long.</param>
/// <param name="flags">The flags to use for this operation.</param>
/// <returns>A value of <see cref="RedisStream"/> for each stream.</returns>
/// <remarks>
/// <para>Equivalent of calling <c>XREADGROUP GROUP groupName consumerName COUNT countPerStream STREAMS stream1 stream2 id1 id2</c>.</para>
/// <para><seealso href="https://redis.io/commands/xreadgroup"/></para>
/// </remarks>
RedisStream[] StreamReadGroup(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, TimeSpan? claimMinIdleTime = null, CommandFlags flags = CommandFlags.None);

/// <summary>
/// Trim the stream to a specified maximum length.
Expand Down
5 changes: 4 additions & 1 deletion src/StackExchange.Redis/Interfaces/IDatabaseAsync.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -731,7 +731,10 @@ IAsyncEnumerable<SortedSetEntry> SortedSetScanAsync(
Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream, CommandFlags flags);

/// <inheritdoc cref="IDatabase.StreamReadGroup(StreamPosition[], RedisValue, RedisValue, int?, bool, CommandFlags)"/>
Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, CommandFlags flags = CommandFlags.None);
Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream, bool noAck, CommandFlags flags);

/// <inheritdoc cref="IDatabase.StreamReadGroup(StreamPosition[], RedisValue, RedisValue, int?, bool, TimeSpan?, CommandFlags)"/>
Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, TimeSpan? claimMinIdleTime = null, CommandFlags flags = CommandFlags.None);

/// <inheritdoc cref="IDatabase.StreamTrim(RedisKey, int, bool, CommandFlags)"/>
Task<long> StreamTrimAsync(RedisKey key, int maxLength, bool useApproximateMaxLength, CommandFlags flags);
Expand Down
3 changes: 3 additions & 0 deletions src/StackExchange.Redis/KeyspaceIsolation/KeyPrefixed.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -696,6 +696,9 @@ public Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions
public Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, CommandFlags flags = CommandFlags.None) =>
Inner.StreamReadGroupAsync(streamPositions, groupName, consumerName, countPerStream, noAck, flags);

public Task<RedisStream[]> StreamReadGroupAsync(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, TimeSpan? claimMinIdleTime = null, CommandFlags flags = CommandFlags.None) =>
Inner.StreamReadGroupAsync(streamPositions, groupName, consumerName, countPerStream, noAck, claimMinIdleTime, flags);

public Task<long> StreamTrimAsync(RedisKey key, int maxLength, bool useApproximateMaxLength, CommandFlags flags) =>
Inner.StreamTrimAsync(ToInner(key), maxLength, useApproximateMaxLength, flags);

Expand Down
3 changes: 3 additions & 0 deletions src/StackExchange.Redis/KeyspaceIsolation/KeyPrefixedDatabase.cs
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -678,6 +678,9 @@ public RedisStream[] StreamReadGroup(StreamPosition[] streamPositions, RedisValu
public RedisStream[] StreamReadGroup(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, CommandFlags flags = CommandFlags.None) =>
Inner.StreamReadGroup(streamPositions, groupName, consumerName, countPerStream, noAck, flags);

public RedisStream[] StreamReadGroup(StreamPosition[] streamPositions, RedisValue groupName, RedisValue consumerName, int? countPerStream = null, bool noAck = false, TimeSpan? claimMinIdleTime = null, CommandFlags flags = CommandFlags.None) =>
Inner.StreamReadGroup(streamPositions, groupName, consumerName, countPerStream, noAck, claimMinIdleTime, flags);

public long StreamTrim(RedisKey key, int maxLength, bool useApproximateMaxLength, CommandFlags flags) =>
Inner.StreamTrim(ToInner(key), maxLength, useApproximateMaxLength, flags);

Expand Down
9 changes: 7 additions & 2 deletions src/StackExchange.Redis/PublicAPI/PublicAPI.Shipped.txt
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -746,7 +746,6 @@ StackExchange.Redis.IDatabase.StreamRead(StackExchange.Redis.RedisKey key, Stack
StackExchange.Redis.IDatabase.StreamRead(StackExchange.Redis.StreamPosition[]! streamPositions, int? countPerStream = null, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> StackExchange.Redis.RedisStream[]!
StackExchange.Redis.IDatabase.StreamReadGroup(StackExchange.Redis.RedisKey key, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, StackExchange.Redis.RedisValue? position = null, int? count = null, bool noAck = false, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> StackExchange.Redis.StreamEntry[]!
StackExchange.Redis.IDatabase.StreamReadGroup(StackExchange.Redis.RedisKey key, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, StackExchange.Redis.RedisValue? position, int? count, StackExchange.Redis.CommandFlags flags) -> StackExchange.Redis.StreamEntry[]!
StackExchange.Redis.IDatabase.StreamReadGroup(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream = null, bool noAck = false, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> StackExchange.Redis.RedisStream[]!
StackExchange.Redis.IDatabase.StreamReadGroup(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream, StackExchange.Redis.CommandFlags flags) -> StackExchange.Redis.RedisStream[]!
StackExchange.Redis.IDatabase.StreamTrim(StackExchange.Redis.RedisKey key, int maxLength, bool useApproximateMaxLength, StackExchange.Redis.CommandFlags flags) -> long
StackExchange.Redis.IDatabase.StreamTrim(StackExchange.Redis.RedisKey key, long maxLength, bool useApproximateMaxLength = false, long? limit = null, StackExchange.Redis.StreamTrimMode mode = StackExchange.Redis.StreamTrimMode.KeepReferences, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> long
Expand Down Expand Up @@ -991,7 +990,6 @@ StackExchange.Redis.IDatabaseAsync.StreamReadAsync(StackExchange.Redis.RedisKey
StackExchange.Redis.IDatabaseAsync.StreamReadAsync(StackExchange.Redis.StreamPosition[]! streamPositions, int? countPerStream = null, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> System.Threading.Tasks.Task<StackExchange.Redis.RedisStream[]!>!
StackExchange.Redis.IDatabaseAsync.StreamReadGroupAsync(StackExchange.Redis.RedisKey key, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, StackExchange.Redis.RedisValue? position = null, int? count = null, bool noAck = false, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> System.Threading.Tasks.Task<StackExchange.Redis.StreamEntry[]!>!
StackExchange.Redis.IDatabaseAsync.StreamReadGroupAsync(StackExchange.Redis.RedisKey key, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, StackExchange.Redis.RedisValue? position, int? count, StackExchange.Redis.CommandFlags flags) -> System.Threading.Tasks.Task<StackExchange.Redis.StreamEntry[]!>!
StackExchange.Redis.IDatabaseAsync.StreamReadGroupAsync(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream = null, bool noAck = false, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> System.Threading.Tasks.Task<StackExchange.Redis.RedisStream[]!>!
StackExchange.Redis.IDatabaseAsync.StreamReadGroupAsync(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream, StackExchange.Redis.CommandFlags flags) -> System.Threading.Tasks.Task<StackExchange.Redis.RedisStream[]!>!
StackExchange.Redis.IDatabaseAsync.StreamTrimAsync(StackExchange.Redis.RedisKey key, int maxLength, bool useApproximateMaxLength, StackExchange.Redis.CommandFlags flags) -> System.Threading.Tasks.Task<long>!
StackExchange.Redis.IDatabaseAsync.StreamTrimAsync(StackExchange.Redis.RedisKey key, long maxLength, bool useApproximateMaxLength = false, long? limit = null, StackExchange.Redis.StreamTrimMode mode = StackExchange.Redis.StreamTrimMode.KeepReferences, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> System.Threading.Tasks.Task<long>!
Expand Down Expand Up @@ -2052,3 +2050,10 @@ StackExchange.Redis.IServer.ExecuteAsync(int? database, string! command, System.
[SER001]static StackExchange.Redis.VectorSetSimilaritySearchRequest.ByMember(StackExchange.Redis.RedisValue member) -> StackExchange.Redis.VectorSetSimilaritySearchRequest!
[SER001]static StackExchange.Redis.VectorSetSimilaritySearchRequest.ByVector(System.ReadOnlyMemory<float> vector) -> StackExchange.Redis.VectorSetSimilaritySearchRequest!
StackExchange.Redis.RedisChannel.WithKeyRouting() -> StackExchange.Redis.RedisChannel
StackExchange.Redis.IDatabase.StreamReadGroup(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream = null, bool noAck = false, System.TimeSpan? claimMinIdleTime = null, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> StackExchange.Redis.RedisStream[]!
StackExchange.Redis.IDatabase.StreamReadGroup(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream, bool noAck, StackExchange.Redis.CommandFlags flags) -> StackExchange.Redis.RedisStream[]!
StackExchange.Redis.IDatabaseAsync.StreamReadGroupAsync(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream = null, bool noAck = false, System.TimeSpan? claimMinIdleTime = null, StackExchange.Redis.CommandFlags flags = StackExchange.Redis.CommandFlags.None) -> System.Threading.Tasks.Task<StackExchange.Redis.RedisStream[]!>!
StackExchange.Redis.IDatabaseAsync.StreamReadGroupAsync(StackExchange.Redis.StreamPosition[]! streamPositions, StackExchange.Redis.RedisValue groupName, StackExchange.Redis.RedisValue consumerName, int? countPerStream, bool noAck, StackExchange.Redis.CommandFlags flags) -> System.Threading.Tasks.Task<StackExchange.Redis.RedisStream[]!>!
StackExchange.Redis.StreamEntry.DeliveryCount.get -> int
StackExchange.Redis.StreamEntry.IdleTime.get -> System.TimeSpan?
StackExchange.Redis.StreamEntry.StreamEntry(StackExchange.Redis.RedisValue id, StackExchange.Redis.NameValueEntry[]! values, System.TimeSpan? idleTime, int deliveryCount) -> void
Loading
Loading