Struct StaticPrimaryKeys 

pub struct StaticPrimaryKeys { /* private fields */ }

Static (table, primary_key) lookup driven by a BTreeMap.

Implementations

impl StaticPrimaryKeys

pub const fn new() -> Self

Creates an empty resolver.

pub fn insert( &mut self, table: impl Into<String>, primary_key: impl Into<String>, )

Inserts or updates a (table, primary_key) mapping.

pub fn from_iter<I, S, P>(pairs: I) -> Self

where I: IntoIterator<Item = (S, P)>, S: Into<String>, P: Into<String>,

Builds a resolver from an iterator of (table, primary_key) pairs.

Trait Implementations

impl Clone for StaticPrimaryKeys

fn clone(&self) -> StaticPrimaryKeys

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for StaticPrimaryKeys

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

Formats the value using the given formatter.

impl Default for StaticPrimaryKeys

fn default() -> StaticPrimaryKeys

Returns the “default value” for a type.

impl PrimaryKeyResolver for StaticPrimaryKeys

fn primary_key(&self, table: &str) -> Option<&str>

Returns the primary-key column for table, if known.