Struct StatsCache 

pub struct StatsCache { /* private fields */ }

Implementations

impl StatsCache

pub fn new() -> Self

pub fn new_with_capacity( max_table_entries: usize, max_column_entries: usize, ) -> Self

pub fn set_capacity( &mut self, max_table_entries: usize, max_column_entries: usize, )

pub fn is_empty(&self) -> bool

pub fn insert_table_stats( &mut self, table: impl Into<String>, stats: TableStats, )

pub fn table_stats(&self, table: &str) -> Option<&TableStats>

pub fn insert_column_stats( &mut self, table: impl Into<String>, column: impl Into<String>, stats: ColumnStats, )

pub fn column_stats(&self, table: &str, column: &str) -> Option<&ColumnStats>

Trait Implementations

impl Clone for StatsCache

fn clone(&self) -> StatsCache

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for StatsCache

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

Formats the value using the given formatter.

impl Default for StatsCache

fn default() -> Self

Returns the “default value” for a type.