pub struct PlanSourceCapabilities {
pub pushdown_mode: PlanPushdownMode,
pub eq_columns: HashSet<String>,
pub range_columns: HashSet<String>,
pub in_columns: HashSet<String>,
pub supports_null_check: bool,
}Expand description
Describes a source’s pushdown capabilities for the optimizer.
Fields§
§pushdown_mode: PlanPushdownModeOverall pushdown mode.
eq_columns: HashSet<String>Columns that support equality pushdown.
range_columns: HashSet<String>Columns that support range pushdown.
in_columns: HashSet<String>Columns that support IN-list pushdown.
supports_null_check: boolWhether the source supports IS NULL / IS NOT NULL checks.
Trait Implementations§
Source§impl Clone for PlanSourceCapabilities
impl Clone for PlanSourceCapabilities
Source§fn clone(&self) -> PlanSourceCapabilities
fn clone(&self) -> PlanSourceCapabilities
Returns a duplicate 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 PlanSourceCapabilities
impl Debug for PlanSourceCapabilities
Auto Trait Implementations§
impl Freeze for PlanSourceCapabilities
impl RefUnwindSafe for PlanSourceCapabilities
impl Send for PlanSourceCapabilities
impl Sync for PlanSourceCapabilities
impl Unpin for PlanSourceCapabilities
impl UnsafeUnpin for PlanSourceCapabilities
impl UnwindSafe for PlanSourceCapabilities
Blanket Implementations§
§impl<T> ArchivePointee for T
impl<T> ArchivePointee for T
§type ArchivedMetadata = ()
type ArchivedMetadata = ()
The archived version of the pointer metadata for this type.
§fn pointer_metadata(
_: &<T as ArchivePointee>::ArchivedMetadata,
) -> <T as Pointee>::Metadata
fn pointer_metadata( _: &<T as ArchivePointee>::ArchivedMetadata, ) -> <T as Pointee>::Metadata
Converts some archived metadata to the pointer metadata for itself.
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,
§impl<T> Instrument for T
impl<T> Instrument for T
§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
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> LayoutRaw for T
impl<T> LayoutRaw for T
§fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
fn layout_raw(_: <T as Pointee>::Metadata) -> Result<Layout, LayoutError>
Returns the layout of the type.