parquet::file::writer

Struct SerializedColumnWriter

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pub struct SerializedColumnWriter<'a> {
    inner: ColumnWriter<'a>,
    on_close: Option<OnCloseColumnChunk<'a>>,
}
Expand description

A wrapper around a ColumnWriter that invokes a callback on Self::close

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§inner: ColumnWriter<'a>§on_close: Option<OnCloseColumnChunk<'a>>

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impl<'a> SerializedColumnWriter<'a>

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pub fn new( inner: ColumnWriter<'a>, on_close: Option<OnCloseColumnChunk<'a>>, ) -> Self

Create a new SerializedColumnWriter from a ColumnWriter and an optional callback to be invoked on Self::close

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pub fn untyped(&mut self) -> &mut ColumnWriter<'a>

Returns a reference to an untyped ColumnWriter

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pub fn typed<T: DataType>(&mut self) -> &mut ColumnWriterImpl<'a, T>

Returns a reference to a typed ColumnWriterImpl

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pub fn close(self) -> Result<()>

Close this SerializedColumnWriter

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