bookdata::amazon

Struct RatingRow

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pub struct RatingRow {
    pub user: i32,
    pub asin: String,
    pub rating: f32,
    pub timestamp: i64,
}
Expand description

Structure for scanned ratings.

This data structure is serialized to ratings.parquet in the Amazon directories.

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§user: i32§asin: String§rating: f32§timestamp: i64

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impl<'de> Deserialize<'de> for RatingRow

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl RecordWriter<RatingRow> for &[RatingRow]

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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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impl Serialize for RatingRow

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more

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const ALIGN: usize = _

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type Init = T

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