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Column

Enum Column 

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pub enum Column {
    U64(NumericColumn<u64>),
    Id128(NumericColumn<DocId>),
    I64(NumericColumn<i64>),
    F64(NumericColumn<f64>),
    Bool(BoolColumn),
    DictionaryString(DictionaryColumn),
    RawString(RawStringColumn),
}
Expand description

One immutable typed physical column.

Variants§

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U64(NumericColumn<u64>)

An unsigned-integer array.

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Id128(NumericColumn<DocId>)

A full document-identifier array.

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I64(NumericColumn<i64>)

A signed-integer array, including ts.

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F64(NumericColumn<f64>)

A floating-point array.

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Bool(BoolColumn)

A Boolean byte array.

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DictionaryString(DictionaryColumn)

A dictionary string array.

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RawString(RawStringColumn)

A raw UTF-8 array.

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impl Column

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pub const fn column_type(&self) -> ColumnType

Returns the physical column type.

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pub fn len(&self) -> usize

Returns the physical row count including null placeholders.

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pub fn is_empty(&self) -> bool

Returns whether the column contains no physical rows.

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pub fn present(&self) -> &DocBitmap

Returns the non-null row bitmap.

Trait Implementations§

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impl Clone for Column

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fn clone(&self) -> Self

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Column

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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 PartialEq for Column

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fn eq(&self, other: &Self) -> bool

Equality operator ==. Read more
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=. Read more
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impl StructuralPartialEq for Column

Auto Trait Implementations§

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> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. 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> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = !

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

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.