Struct duckdb::vtab::ListVector

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pub struct ListVector { /* private fields */ }
Expand description

A list vector.

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impl ListVector

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pub fn len(&self) -> usize

Returns the number of entries in the list vector.

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pub fn is_empty(&self) -> bool

Returns true if the list vector is empty.

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pub fn child(&self, capacity: usize) -> FlatVector

Returns the child vector.

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pub fn set_child<T: Copy>(&self, data: &[T])

Set primitive data to the child node.

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pub fn set_entry(&mut self, idx: usize, offset: usize, length: usize)

Set offset and length to the entry.

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pub fn set_len(&self, new_len: usize)

Set the length of the list vector.

Trait Implementations§

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impl From<*mut _duckdb_vector> for ListVector

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fn from(ptr: duckdb_vector) -> Self

Converts to this type from the input type.

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> 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.