bookdata::interactions::ratings

Struct TimestampRatingRecord

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pub struct TimestampRatingRecord {
    pub user: i32,
    pub item: i32,
    pub rating: f32,
    pub last_rating: f32,
    pub timestamp: i64,
    pub last_time: i64,
    pub nratings: i32,
}
Expand description

Record for a single output rating.

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§user: i32§item: i32§rating: f32§last_rating: f32§timestamp: i64§last_time: i64§nratings: i32

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impl Debug for TimestampRatingRecord

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl FromRatingSet for TimestampRatingRecord

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fn create(user: i32, item: i32, ratings: Vec<(f32, i64)>) -> Self

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impl RecordWriter<TimestampRatingRecord> for &[TimestampRatingRecord]

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fn write_to_row_group<W: Write + Send>( &self, row_group_writer: &mut SerializedRowGroupWriter<'_, W>, ) -> Result<(), ParquetError>

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fn schema(&self) -> Result<TypePtr, ParquetError>

Generated schema

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