Struct datafusion::physical_plan::common::IPCWriter

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pub struct IPCWriter {
    pub path: PathBuf,
    pub writer: FileWriter<File>,
    pub num_batches: usize,
    pub num_rows: usize,
    pub num_bytes: usize,
}
Expand description

Write in Arrow IPC format.

Fields§

§path: PathBuf

path

§writer: FileWriter<File>

inner writer

§num_batches: usize

batches written

§num_rows: usize

rows written

§num_bytes: usize

bytes written

Implementations§

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impl IPCWriter

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pub fn new(path: &Path, schema: &Schema) -> Result<IPCWriter, DataFusionError>

Create new writer

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pub fn new_with_options( path: &Path, schema: &Schema, write_options: IpcWriteOptions ) -> Result<IPCWriter, DataFusionError>

Create new writer with IPC write options

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pub fn write(&mut self, batch: &RecordBatch) -> Result<(), DataFusionError>

Write one single batch

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pub fn finish(&mut self) -> Result<(), DataFusionError>

Finish the writer

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pub fn path(&self) -> &Path

Path write to

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