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CellWriter

apiary_storage::cell_writer

Struct CellWriter 

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

Writes Arrow RecordBatches as Parquet cells to object storage.

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impl CellWriter

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pub fn new( storage: Arc<dyn StorageBackend>, frame_path: String, schema: FrameSchema, partition_by: Vec<String>, sizing: CellSizingPolicy, ) -> Self

Create a new CellWriter.

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pub async fn write(&self, batch: &RecordBatch) -> Result<Vec<CellMetadata>>

Write a RecordBatch, partitioning and sizing as needed. Returns the CellMetadata for each cell written.

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