Struct ListValue

pub struct ListValue {
    values: Box<ArrayImpl>,
}

Fields

values: Box<ArrayImpl>

Implementations

impl ListValue

pub fn new(values: ArrayImpl) -> Self

pub fn into_array(self) -> ArrayImpl

pub fn empty(datatype: &DataType) -> Self

pub fn from_datum_iter<T: ToDatumRef>( elem_datatype: &DataType, iter: impl IntoIterator<Item = T>, ) -> Self

Creates a new ListValue from an iterator of Datum.

pub fn len(&self) -> usize

Returns the length of the list.

pub fn is_empty(&self) -> bool

Returns true if the list has a length of 0.

pub fn iter( &self, ) -> impl DoubleEndedIterator + ExactSizeIterator<Item = DatumRef<'_>>

Iterates over the elements of the list.

pub fn get(&self, index: usize) -> Option<DatumRef<'_>>

Get the element at the given index. Returns None if the index is out of bounds.

pub fn data_type(&self) -> DataType

Returns the data type of the elements in the list.

pub fn memcmp_deserialize( item_datatype: &DataType, deserializer: &mut Deserializer<impl Buf>, ) -> Result<Self>

pub fn display_for_explain(&self) -> String

pub fn as_i64_mut_slice(&mut self) -> Option<&mut [i64]>

Returns a mutable slice if the list is of type int64[].

impl ListValue

pub fn from_str(input: &str, data_type: &DataType) -> Result<Self, String>

Construct an array from literal string.

Trait Implementations

impl Clone for ListValue

fn clone(&self) -> ListValue

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for ListValue

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

Formats the value using the given formatter.

impl Display for ListValue

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

Formats the value using the given formatter.

impl EstimateSize for ListValue

fn estimated_heap_size(&self) -> usize

The estimated heap size of the current struct in bytes.

fn estimated_size(&self) -> usize

where Self: Sized,

The estimated total size of the current struct in bytes, including the estimated_heap_size and the size of Self.

impl<'a> From<&'a ListValue> for ListRef<'a>

fn from(value: &'a ListValue) -> Self

Converts to this type from the input type.

impl From<ListRef<'_>> for ListValue

fn from(value: ListRef<'_>) -> Self

Converts to this type from the input type.

impl From<ListValue> for ArrayImpl

fn from(value: ListValue) -> Self

Converts to this type from the input type.

impl From<ListValue> for ScalarImpl

fn from(val: ListValue) -> Self

Converts to this type from the input type.

impl<'a> FromIterator<&'a str> for ListValue

fn from_iter<I: IntoIterator<Item = &'a str>>(iter: I) -> Self

Creates a value from an iterator.

impl FromIterator<ListValue> for ListArray

fn from_iter<I: IntoIterator<Item = ListValue>>(iter: I) -> Self

Creates a value from an iterator.

impl FromIterator<ListValue> for ListValue

fn from_iter<I: IntoIterator<Item = ListValue>>(iter: I) -> Self

Creates a value from an iterator.

impl<'a> FromIterator<Option<&'a str>> for ListValue

fn from_iter<I: IntoIterator<Item = Option<&'a str>>>(iter: I) -> Self

Creates a value from an iterator.

impl<T: PrimitiveArrayItemType> FromIterator<Option<T>> for ListValue

fn from_iter<I: IntoIterator<Item = Option<T>>>(iter: I) -> Self

Creates a value from an iterator.

impl<T: PrimitiveArrayItemType> FromIterator<T> for ListValue

fn from_iter<I: IntoIterator<Item = T>>(iter: I) -> Self

Creates a value from an iterator.

impl FromIterator<bool> for ListValue

fn from_iter<I: IntoIterator<Item = bool>>(iter: I) -> Self

Creates a value from an iterator.

impl HashKeyDe for ListValue

fn deserialize(data_type: &DataType, buf: impl Buf) -> Self

impl Ord for ListValue

fn cmp(&self, other: &Self) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ListValue

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

Tests for self and other values to be equal, and is used by ==.

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

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl PartialOrd for ListValue

fn partial_cmp(&self, other: &Self) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

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

Tests less than (for self and other) and is used by the < operator.

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

Tests less than or equal to (for self and other) and is used by the <= operator.

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

Tests greater than (for self and other) and is used by the > operator.

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

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl RandValue for ListValue

fn rand_value<R: Rng>(rand: &mut R) -> Self

impl Scalar for ListValue

Implement Scalar for ListValue.

type ScalarRefType<'a> = ListRef<'a>

Type for reference of Scalar

fn as_scalar_ref(&self) -> ListRef<'_>

Get a reference to current scalar.

fn to_scalar_value(self) -> ScalarImpl

impl TryFrom<ScalarImpl> for ListValue

type Error = ArrayError

The type returned in the event of a conversion error.

fn try_from(val: ScalarImpl) -> ArrayResult<Self>

Performs the conversion.

impl Eq for ListValue

impl StructuralPartialEq for ListValue