Trait FileWriter

pub trait FileWriter<O = Vec<DataFileBuilder>>:
    Send
    + CurrentFileStatus
    + 'static {
    // Required methods
    fn write(
        &mut self,
        batch: &RecordBatch,
    ) -> impl Future<Output = Result<()>> + Send;
    fn close(self) -> impl Future<Output = Result<O>> + Send;
}

File writer focus on writing record batch to different physical file format.(Such as parquet. orc)

Required Methods

fn write( &mut self, batch: &RecordBatch, ) -> impl Future<Output = Result<()>> + Send

Write record batch to file.

fn close(self) -> impl Future<Output = Result<O>> + Send

Close file writer.

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementors

impl FileWriter for ParquetWriter