Struct PreparedStatementCache 

pub struct PreparedStatementCache { /* private fields */ }

A cache for prepared statements.

This cache stores prepared statements by their SQL query string, allowing reuse of statements across multiple queries.

Implementations

impl PreparedStatementCache

pub fn new(max_size: usize) -> Self

Create a new statement cache with the given maximum size.

pub async fn get_or_prepare( &self, client: &Object, sql: &str, ) -> PgResult<Statement>

Get or prepare a statement for the given SQL.

pub async fn get_or_prepare_in_txn<'a>( &self, txn: &Transaction<'a>, sql: &str, ) -> PgResult<Statement>

Get or prepare a statement within a transaction.

pub fn clear(&self)

Clear all cached statements.

pub fn len(&self) -> usize

Get the number of cached statement keys.

pub fn is_empty(&self) -> bool

Check if the cache is empty.

pub fn max_size(&self) -> usize

Get the maximum cache size.