Trait GetPgMetadataCache

Source

pub trait GetPgMetadataCache {
    // Required method
    fn get_metadata_cache(&mut self) -> &mut PgMetadataCache;
}

Available on crate features i-implement-a-third-party-backend-and-opt-into-breaking-changes and postgres_backend only.

Expand description

Gets the PgMetadataCache for a Connection<Backend=Pg> so that the lookup of user defined types, or types which come from an extension can be cached.

Implementing this trait for a Connection<Backend=Pg> will cause PgMetadataLookup to be auto implemented.

Required Methods§

Source

fn get_metadata_cache(&mut self) -> &mut PgMetadataCache

Get the PgMetadataCache

Dyn Compatibility§

This trait is dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety".

Implementors§

Source §

impl GetPgMetadataCache for PgConnection

Available on crate feature postgres only.

GetPgMetadataCache