Struct bookdata::interactions::ratings::TimestampRatingRecordFrameBuilder

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pub struct TimestampRatingRecordFrameBuilder {
    user: <i32 as ColType>::Builder,
    item: <i32 as ColType>::Builder,
    rating: <f32 as ColType>::Builder,
    last_rating: <f32 as ColType>::Builder,
    timestamp: <i64 as ColType>::Builder,
    last_time: <i64 as ColType>::Builder,
    nratings: <i32 as ColType>::Builder,
}

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§user: <i32 as ColType>::Builder§item: <i32 as ColType>::Builder§rating: <f32 as ColType>::Builder§last_rating: <f32 as ColType>::Builder§timestamp: <i64 as ColType>::Builder§last_time: <i64 as ColType>::Builder§nratings: <i32 as ColType>::Builder

Trait Implementations§

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impl FrameBuilder<TimestampRatingRecord> for TimestampRatingRecordFrameBuilder

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fn with_capacity(cap: usize) -> Self

Instantiate a frame builder with a specified capacity.
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fn append_row(&mut self, row: TimestampRatingRecord)

Add a row to the frame builder.
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fn build(self) -> PolarsResult<DataFrame>

Finish the builder and create a data frame.
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fn extend<I>(&mut self, iter: I)
where I: IntoIterator<Item = R>,

Add an iterable of items to the frame.

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