pub struct NullableColumnData {
    pub inner: ArcColumnData,
    pub nulls: Vec<u8>,
}

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§inner: ArcColumnData§nulls: Vec<u8>

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impl ColumnData for NullableColumnData

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fn sql_type(&self) -> SqlType

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fn save(&self, encoder: &mut Encoder, start: usize, end: usize)

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fn len(&self) -> usize

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fn push(&mut self, value: Value)

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fn at(&self, index: usize) -> ValueRef<'_>

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fn clone_instance(&self) -> BoxColumnData

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unsafe fn get_internal( &self, pointers: &[*mut *const u8], level: u8 ) -> Result<()>

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fn cast_to( &self, _this: &ArcColumnData, target: &SqlType ) -> Option<ArcColumnData>

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fn is_empty(&self) -> bool

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Blanket Implementations§

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impl<T> Any for Twhere 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 Twhere 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 Twhere 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<C> ColumnDataExt for Cwhere C: ColumnData,

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fn append<T>(&mut self, value: T)where T: Into<Value>,

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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> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
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impl<T, U> Into<U> for Twhere 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 Twhere 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 Twhere 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.
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impl<T> WithSubscriber for T

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more