pub enum JoinValidation {
ManyToMany,
ManyToOne,
OneToMany,
OneToOne,
}
Variants§
ManyToMany
No unique checks
ManyToOne
Check if join keys are unique in right dataset.
OneToMany
Check if join keys are unique in left dataset.
OneToOne
Check if join keys are unique in both left and right datasets
Implementations§
Source§impl JoinValidation
impl JoinValidation
pub fn needs_checks(&self) -> bool
pub fn is_valid_join(&self, join_type: &JoinType) -> PolarsResult<()>
Trait Implementations§
Source§impl Clone for JoinValidation
impl Clone for JoinValidation
Source§fn clone(&self) -> JoinValidation
fn clone(&self) -> JoinValidation
Returns a copy of the value. Read more
1.0.0 · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moreSource§impl Debug for JoinValidation
impl Debug for JoinValidation
Source§impl Default for JoinValidation
impl Default for JoinValidation
Source§fn default() -> JoinValidation
fn default() -> JoinValidation
Returns the “default value” for a type. Read more
Source§impl Display for JoinValidation
impl Display for JoinValidation
Source§impl Hash for JoinValidation
impl Hash for JoinValidation
Source§impl PartialEq for JoinValidation
impl PartialEq for JoinValidation
impl Copy for JoinValidation
impl Eq for JoinValidation
impl StructuralPartialEq for JoinValidation
Auto Trait Implementations§
impl Freeze for JoinValidation
impl RefUnwindSafe for JoinValidation
impl Send for JoinValidation
impl Sync for JoinValidation
impl Unpin for JoinValidation
impl UnwindSafe for JoinValidation
Blanket Implementations§
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
Source§unsafe fn clone_to_uninit(&self, dst: *mut T)
unsafe fn clone_to_uninit(&self, dst: *mut T)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)§impl<Q, K> Equivalent<K> for Q
impl<Q, K> Equivalent<K> for Q
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
Compare self to
key
and return true
if they are equal.Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self>
fn into_either(self, into_left: bool) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left
is true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
Converts
self
into a Left
variant of Either<Self, Self>
if into_left(&self)
returns true
.
Converts self
into a Right
variant of Either<Self, Self>
otherwise. Read more§impl<T> Pointable for T
impl<T> Pointable for T
§impl<T> ToCompactString for Twhere
T: Display,
impl<T> ToCompactString for Twhere
T: Display,
§fn try_to_compact_string(&self) -> Result<CompactString, ToCompactStringError>
fn try_to_compact_string(&self) -> Result<CompactString, ToCompactStringError>
Fallible version of [
ToCompactString::to_compact_string()
] Read more§fn to_compact_string(&self) -> CompactString
fn to_compact_string(&self) -> CompactString
Converts the given value to a [
CompactString
]. Read more