Struct CsvPartialCache

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pub struct CsvPartialCache<T> {
    pub path: PathBuf,
    pub items: Box<[T]>,
}
Expand description

An index keeping the data as a sorted by id boxed slice

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§path: PathBuf§items: Box<[T]>

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impl<T> CsvPartialCache<T>
where T: FromLineOffset,

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pub fn new(path: impl Into<PathBuf>) -> Result<Self>

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pub fn find<B, F>(&self, b: &B, f: F) -> Option<&T>
where F: FnMut(&T) -> B, B: Ord,

.binary_search_by_key(&qid, |item| item.qid)

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pub async fn full_record<D: DeserializeOwned>(&self, row: &T) -> Result<D>

Returns the first record by the id, deserialized into T

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impl<T> CsvPartialCache<T>

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pub fn from_cache( csv_path: impl Into<PathBuf>, cache_path: impl AsRef<Path>, ) -> Result<Self>

Creates the index using intermediate json file for speed-up

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impl<T: Debug> Debug for CsvPartialCache<T>

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<T> Freeze for CsvPartialCache<T>

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impl<T> RefUnwindSafe for CsvPartialCache<T>
where T: RefUnwindSafe,

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impl<T> Send for CsvPartialCache<T>
where T: Send,

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impl<T> Sync for CsvPartialCache<T>
where T: Sync,

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impl<T> Unpin for CsvPartialCache<T>

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impl<T> UnwindSafe for CsvPartialCache<T>
where T: UnwindSafe,

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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<U> 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, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.