Struct polars::export::arrow::io::csv::write::SerializeOptions

source · [−]

pub struct SerializeOptions {
    pub date32_format: Option<String>,
    pub date64_format: Option<String>,
    pub time32_format: Option<String>,
    pub time64_format: Option<String>,
    pub timestamp_format: Option<String>,
    pub delimiter: u8,
    pub quote: u8,
}

This is supported on (crate features io_csv_read or io_csv_read_async or io_csv_write) and crate feature io_csv_write only.

Expand description

Options to serialize logical types to CSV The default is to format times and dates as chrono crate formats them.

Fields

date32_format: Option<String>

used for DataType::Date32

date64_format: Option<String>

used for DataType::Date64

time32_format: Option<String>

used for DataType::Time32

time64_format: Option<String>

used for DataType::Time64

timestamp_format: Option<String>

used for DataType::Timestamp

delimiter: u8

used as separator/delimiter

quote: u8

quoting character

Trait Implementations

impl Clone for SerializeOptions

fn clone(&self) -> SerializeOptions

Returns a copy of the value. Read more

1.0.0 · source

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

Performs copy-assignment from source. Read more

impl Debug for SerializeOptions

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

Formats the value using the given formatter. Read more

impl Default for SerializeOptions

fn default() -> SerializeOptions

Returns the “default value” for a type. Read more

impl Hash for SerializeOptions

fn hash<H>(&self, state: &mut H) where
__H: Hasher,

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

impl PartialEq<SerializeOptions> for SerializeOptions

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

This method tests for self and other values to be equal, and is used by ==. Read more

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

This method tests for !=.

impl Eq for SerializeOptions

impl StructuralEq for SerializeOptions

impl StructuralPartialEq for SerializeOptions

Auto Trait Implementations

impl RefUnwindSafe for SerializeOptions

impl Send for SerializeOptions

impl Sync for SerializeOptions

impl Unpin for SerializeOptions

impl UnwindSafe for SerializeOptions

Blanket Implementations

impl<T> Any for T where
T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

impl<T> CallHasher for T where
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

impl<T, U> Into<U> for T where
U: From<T>,

const: unstable · source

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

const ALIGN: usize

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

fn clone_into(&self, target: &mut T)

🔬 This is a nightly-only experimental API. (toowned_clone_into)

Uses borrowed data to replace owned data, usually by cloning. Read more

impl<T, U> TryFrom<U> for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.

const: unstable · source

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn vzip(self) -> V