Struct datafusion::logical_plan::plan::Join
source · [−]pub struct Join {
pub left: Arc<LogicalPlan>,
pub right: Arc<LogicalPlan>,
pub on: Vec<(Column, Column)>,
pub join_type: JoinType,
pub join_constraint: JoinConstraint,
pub schema: DFSchemaRef,
pub null_equals_null: bool,
}
Expand description
Join two logical plans on one or more join columns
Fields
left: Arc<LogicalPlan>
Left input
right: Arc<LogicalPlan>
Right input
on: Vec<(Column, Column)>
Equijoin clause expressed as pairs of (left, right) join columns
join_type: JoinType
Join type
join_constraint: JoinConstraint
Join constraint
schema: DFSchemaRef
The output schema, containing fields from the left and right inputs
null_equals_null: bool
If null_equals_null is true, null == null else null != null
Trait Implementations
Auto Trait Implementations
impl !RefUnwindSafe for Join
impl Send for Join
impl Sync for Join
impl Unpin for Join
impl !UnwindSafe for Join
Blanket Implementations
sourceimpl<T> BorrowMut<T> for T where
T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
const: unstable · sourcepub fn borrow_mut(&mut self) -> &mut T
pub fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
sourceimpl<T> ToOwned for T where
T: Clone,
impl<T> ToOwned for T where
T: Clone,
type Owned = T
type Owned = T
The resulting type after obtaining ownership.
sourcepub fn to_owned(&self) -> T
pub fn to_owned(&self) -> T
Creates owned data from borrowed data, usually by cloning. Read more
sourcepub fn clone_into(&self, target: &mut T)
pub 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