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RecordBatchLogScanner

fluss::client

Struct RecordBatchLogScanner 

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pub struct RecordBatchLogScanner { /* private fields */ }
Expand description

Scanner for reading log data as Arrow RecordBatches.

More efficient than LogScanner for batch-level analytics where per-record metadata (offsets, timestamps) is not needed.

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impl RecordBatchLogScanner

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pub async fn poll(&self, timeout: Duration) -> Result<Vec<ScanBatch>>

Poll for batches with metadata (bucket and offset information).

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pub async fn subscribe(&self, bucket: i32, offset: i64) -> Result<()>

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pub async fn subscribe_buckets( &self, bucket_offsets: &HashMap<i32, i64>, ) -> Result<()>

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pub async fn subscribe_partition( &self, partition_id: PartitionId, bucket: i32, offset: i64, ) -> Result<()>

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pub fn is_partitioned(&self) -> bool

Returns whether the table is partitioned

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pub fn get_subscribed_buckets(&self) -> Vec<(TableBucket, i64)>

Returns all subscribed buckets with their current offsets

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pub async fn subscribe_partition_buckets( &self, partition_bucket_offsets: &HashMap<(PartitionId, i32), i64>, ) -> Result<()>

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pub async fn unsubscribe(&self, bucket: i32) -> Result<()>

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pub async fn unsubscribe_partition( &self, partition_id: PartitionId, bucket: i32, ) -> Result<()>

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