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

Trait Implementations§

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

Writes from self into row_group_writer.

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

Generated schema used by row_group_writer

Auto Trait Implementations§

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impl Freeze for TimestampRatingRecord

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impl RefUnwindSafe for TimestampRatingRecord

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impl Send for TimestampRatingRecord

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impl Sync for TimestampRatingRecord

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impl Unpin for TimestampRatingRecord

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impl UnwindSafe for TimestampRatingRecord

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T> IntoEither for T

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more

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