Struct arrow::array::GenericListArray [−][src]
pub struct GenericListArray<OffsetSize> { /* fields omitted */ }
Implementations
impl<OffsetSize: OffsetSizeTrait> GenericListArray<OffsetSize>
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impl<OffsetSize: OffsetSizeTrait> GenericListArray<OffsetSize>
[src]pub fn values(&self) -> ArrayRef
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Returns a reference to the values of this list.
pub fn value_type(&self) -> DataType
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Returns a clone of the value type of this list.
pub unsafe fn value_unchecked(&self, i: usize) -> ArrayRef
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Returns ith value of this list array.
Safety
Caller must ensure that the index is within the array bounds
pub fn value(&self, i: usize) -> ArrayRef
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Returns ith value of this list array.
pub fn value_offsets(&self) -> &[OffsetSize]ⓘ
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Returns the offset values in the offsets buffer
pub fn value_length(&self, i: usize) -> OffsetSize
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Returns the length for value at index i
.
pub fn iter<'a>(&'a self) -> GenericListArrayIter<'a, OffsetSize>ⓘNotable traits for GenericListArrayIter<'a, S>
impl<'a, S: OffsetSizeTrait> Iterator for GenericListArrayIter<'a, S> type Item = Option<ArrayRef>;
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Notable traits for GenericListArrayIter<'a, S>
impl<'a, S: OffsetSizeTrait> Iterator for GenericListArrayIter<'a, S> type Item = Option<ArrayRef>;
constructs a new iterator
pub fn from_iter_primitive<T, P, I>(iter: I) -> Self where
T: ArrowPrimitiveType,
P: AsRef<[Option<<T as ArrowPrimitiveType>::Native>]> + IntoIterator<Item = Option<<T as ArrowPrimitiveType>::Native>>,
I: IntoIterator<Item = Option<P>>,
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T: ArrowPrimitiveType,
P: AsRef<[Option<<T as ArrowPrimitiveType>::Native>]> + IntoIterator<Item = Option<<T as ArrowPrimitiveType>::Native>>,
I: IntoIterator<Item = Option<P>>,
Creates a GenericListArray
from an iterator of primitive values
Example
let data = vec![ Some(vec![Some(0), Some(1), Some(2)]), None, Some(vec![Some(3), None, Some(5)]), Some(vec![Some(6), Some(7)]), ]; let list_array = ListArray::from_iter_primitive::<Int32Type, _, _>(data); println!("{:?}", list_array);
Trait Implementations
impl<OffsetSize: 'static + OffsetSizeTrait> Array for GenericListArray<OffsetSize>
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impl<OffsetSize: 'static + OffsetSizeTrait> Array for GenericListArray<OffsetSize>
[src]fn as_any(&self) -> &dyn Any
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fn data(&self) -> &ArrayData
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fn get_buffer_memory_size(&self) -> usize
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Returns the total number of bytes of memory occupied by the buffers owned by this ListArray.
fn get_array_memory_size(&self) -> usize
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Returns the total number of bytes of memory occupied physically by this ListArray.
fn data_ref(&self) -> &ArrayData
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fn data_type(&self) -> &DataType
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fn slice(&self, offset: usize, length: usize) -> ArrayRef
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fn len(&self) -> usize
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fn is_empty(&self) -> bool
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fn offset(&self) -> usize
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fn is_null(&self, index: usize) -> bool
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fn is_valid(&self, index: usize) -> bool
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fn null_count(&self) -> usize
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fn to_raw(&self) -> Result<(*const FFI_ArrowArray, *const FFI_ArrowSchema)>
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impl<OffsetSize: OffsetSizeTrait> Debug for GenericListArray<OffsetSize>
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impl<OffsetSize: OffsetSizeTrait> Debug for GenericListArray<OffsetSize>
[src]impl<OffsetSize: OffsetSizeTrait> From<ArrayData> for GenericListArray<OffsetSize>
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impl<OffsetSize: OffsetSizeTrait> From<ArrayData> for GenericListArray<OffsetSize>
[src]impl<T: BinaryOffsetSizeTrait> From<GenericListArray<T>> for GenericBinaryArray<T>
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impl<T: BinaryOffsetSizeTrait> From<GenericListArray<T>> for GenericBinaryArray<T>
[src]fn from(v: GenericListArray<T>) -> Self
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impl<T: StringOffsetSizeTrait> From<GenericListArray<T>> for GenericStringArray<T>
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impl<T: StringOffsetSizeTrait> From<GenericListArray<T>> for GenericStringArray<T>
[src]fn from(v: GenericListArray<T>) -> Self
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impl<OffsetSize: OffsetSizeTrait> JsonEqual for GenericListArray<OffsetSize>
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impl<OffsetSize: OffsetSizeTrait> JsonEqual for GenericListArray<OffsetSize>
[src]impl<OffsetSize: OffsetSizeTrait> PartialEq<GenericListArray<OffsetSize>> for GenericListArray<OffsetSize>
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impl<OffsetSize: OffsetSizeTrait> PartialEq<GenericListArray<OffsetSize>> for GenericListArray<OffsetSize>
[src]Auto Trait Implementations
impl<OffsetSize> !RefUnwindSafe for GenericListArray<OffsetSize>
impl<OffsetSize> !RefUnwindSafe for GenericListArray<OffsetSize>
impl<OffsetSize> Send for GenericListArray<OffsetSize>
impl<OffsetSize> Send for GenericListArray<OffsetSize>
impl<OffsetSize> Sync for GenericListArray<OffsetSize>
impl<OffsetSize> Sync for GenericListArray<OffsetSize>
impl<OffsetSize> Unpin for GenericListArray<OffsetSize>
impl<OffsetSize> Unpin for GenericListArray<OffsetSize>
impl<OffsetSize> !UnwindSafe for GenericListArray<OffsetSize>
impl<OffsetSize> !UnwindSafe for GenericListArray<OffsetSize>