redb

Struct TableStats

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pub struct TableStats { /* private fields */ }
Expand description

Informational storage stats about a table

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impl TableStats

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pub fn tree_height(&self) -> u32

Maximum traversal distance to reach the deepest (key, value) pair in the table

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pub fn leaf_pages(&self) -> u64

Number of leaf pages that store user data

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pub fn branch_pages(&self) -> u64

Number of branch pages in the btree that store user data

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pub fn stored_bytes(&self) -> u64

Number of bytes consumed by keys and values that have been inserted. Does not include indexing overhead

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pub fn metadata_bytes(&self) -> u64

Number of bytes consumed by keys in internal branch pages, plus other metadata

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pub fn fragmented_bytes(&self) -> u64

Number of bytes consumed by fragmentation, both in data pages and internal metadata tables

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impl Debug for TableStats

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

Formats the value using the given formatter. Read more

Auto Trait Implementations§

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.

Layout§

Note: Most layout information is completely unstable and may even differ between compilations. The only exception is types with certain repr(...) attributes. Please see the Rust Reference's “Type Layout” chapter for details on type layout guarantees.

Size: 48 bytes