Struct mz_transform::attribute::SubtreeSize
source · pub struct SubtreeSize {
pub results: Vec<usize>,
}
Expand description
Compute the number of MirRelationExpr in each subtree in a bottom-up manner.
Fields§
§results: Vec<usize>
A vector of results for all nodes in the visited tree in post-visit order.
Trait Implementations§
source§impl Attribute for SubtreeSize
impl Attribute for SubtreeSize
source§fn derive(&mut self, expr: &MirRelationExpr, _deps: &DerivedAttributes<'_>)
fn derive(&mut self, expr: &MirRelationExpr, _deps: &DerivedAttributes<'_>)
Derive an attribute.
source§fn add_dependencies(_builder: &mut DerivedAttributesBuilder<'_>)where
Self: Sized,
fn add_dependencies(_builder: &mut DerivedAttributesBuilder<'_>)where
Self: Sized,
The attribute ids of all other attributes that this attribute depends on.
source§fn get_results(&self) -> &Vec<Self::Value>
fn get_results(&self) -> &Vec<Self::Value>
Attributes for each subexpression, visited in post-order.
source§fn get_results_mut(&mut self) -> &mut Vec<Self::Value>
fn get_results_mut(&mut self) -> &mut Vec<Self::Value>
Mutable attributes for each subexpression, visited in post-order.
source§fn take(self) -> Vec<Self::Value>
fn take(self) -> Vec<Self::Value>
Consume self and return the attributes for each subexpression.
source§fn schedule_env_tasks(&mut self, _expr: &MirRelationExpr)
fn schedule_env_tasks(&mut self, _expr: &MirRelationExpr)
Schedule environment maintenance tasks. Read more
source§fn handle_env_tasks(&mut self)
fn handle_env_tasks(&mut self)
Handle scheduled environment maintenance tasks. Read more
source§impl<'c> AttributeContainer<SubtreeSize> for AttributeStore<'c>
impl<'c> AttributeContainer<SubtreeSize> for AttributeStore<'c>
source§fn push_attribute(&mut self, value: SubtreeSize)
fn push_attribute(&mut self, value: SubtreeSize)
Push the attribute to the store.
source§fn take_attribute(&mut self) -> Option<SubtreeSize>
fn take_attribute(&mut self) -> Option<SubtreeSize>
Take the attribute from the store, leaving its slot empty.
source§fn attribute_is_enabled(&self) -> bool
fn attribute_is_enabled(&self) -> bool
Check if the attribute is enabled.
source§fn get_attribute(&self) -> Option<&SubtreeSize>
fn get_attribute(&self) -> Option<&SubtreeSize>
Get an immutable reference to the attribute.
source§fn get_mut_attribute(&mut self) -> Option<&mut SubtreeSize>
fn get_mut_attribute(&mut self) -> Option<&mut SubtreeSize>
Get a mutable reference to the attribute.
source§impl Default for SubtreeSize
impl Default for SubtreeSize
source§fn default() -> SubtreeSize
fn default() -> SubtreeSize
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for SubtreeSize
impl RefUnwindSafe for SubtreeSize
impl Send for SubtreeSize
impl Sync for SubtreeSize
impl Unpin for SubtreeSize
impl UnwindSafe for SubtreeSize
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