pub struct QueryEffectContext<'a> {
pub catalog: &'a dyn QueryEffectCatalog,
pub optimizer_effects: fn(&QueryPlan) -> bool,
pub graph_effects: fn(&str) -> Result<bool, SQLError>,
}Expand description
Compose SQL definitions with the effects of planner rewrites and the embedded graph language.
Fields§
§catalog: &'a dyn QueryEffectCatalog§optimizer_effects: fn(&QueryPlan) -> bool§graph_effects: fn(&str) -> Result<bool, SQLError>Auto Trait Implementations§
impl<'a> !RefUnwindSafe for QueryEffectContext<'a>
impl<'a> !UnwindSafe for QueryEffectContext<'a>
impl<'a> Freeze for QueryEffectContext<'a>
impl<'a> Send for QueryEffectContext<'a>
impl<'a> Sync for QueryEffectContext<'a>
impl<'a> Unpin for QueryEffectContext<'a>
impl<'a> UnsafeUnpin for QueryEffectContext<'a>
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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
impl<T> ErasedDestructor for Twhere
T: 'static,
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