datafusion_common::cse

Enum FoundCommonNodes

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pub enum FoundCommonNodes<N> {
    No {
        original_nodes_list: Vec<Vec<N>>,
    },
    Yes {
        common_nodes: Vec<(N, String)>,
        new_nodes_list: Vec<Vec<N>>,
        original_nodes_list: Vec<Vec<N>>,
    },
}
Expand description

The result of potentially rewriting a list of TreeNodes to eliminate common subtrees.

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No

No common TreeNodes were found

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§original_nodes_list: Vec<Vec<N>>
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Yes

Common TreeNodes were found

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§common_nodes: Vec<(N, String)>

extracted common TreeNode

§new_nodes_list: Vec<Vec<N>>

new TreeNodes with common subtrees replaced

§original_nodes_list: Vec<Vec<N>>

original TreeNodes

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impl<N: Debug> Debug for FoundCommonNodes<N>

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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impl<N> Freeze for FoundCommonNodes<N>

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impl<N> RefUnwindSafe for FoundCommonNodes<N>
where N: RefUnwindSafe,

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impl<N> Send for FoundCommonNodes<N>
where N: Send,

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impl<N> Sync for FoundCommonNodes<N>
where N: Sync,

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impl<N> Unpin for FoundCommonNodes<N>
where N: Unpin,

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impl<N> UnwindSafe for FoundCommonNodes<N>
where N: UnwindSafe,

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> Allocation for T
where T: RefUnwindSafe + Send + Sync,