pub(super) struct TemporaryNamespaces {
by_conn: OrdMap<ConnectionId, TemporaryNamespace>,
conns_by_uuid: OrdMap<Uuid, ConnectionId>,
}Expand description
The temporary namespaces of the sessions connected to this process: for
each session that has created a temporary item, the ephemeral-owner
mapping between the session’s UUID (stamped on its durable temporary
items) and its connection, together with the session’s mz_temp
Schema once it has materialized.
The coordinator registers a namespace at a session’s first temporary-item creation, and unregisters it when the session terminates.
Fields§
§by_conn: OrdMap<ConnectionId, TemporaryNamespace>§conns_by_uuid: OrdMap<Uuid, ConnectionId>Implementations§
Source§impl TemporaryNamespaces
impl TemporaryNamespaces
Sourcepub(super) fn register(&mut self, conn_id: ConnectionId, uuid: Uuid)
pub(super) fn register(&mut self, conn_id: ConnectionId, uuid: Uuid)
Registers conn_id as the connection of the session uuid.
Callers guard on CatalogState::has_temporary_namespace, so
registering an already-registered connection is a bug.
Sourcepub(super) fn ensure_schema(
&mut self,
conn_id: &ConnectionId,
owner_id: RoleId,
) -> &mut Schema
pub(super) fn ensure_schema( &mut self, conn_id: &ConnectionId, owner_id: RoleId, ) -> &mut Schema
Returns conn_id’s mz_temp schema, creating an empty one owned by
owner_id if one hasn’t been instantiated yet.
Sourcepub(super) fn unregister(&mut self, conn_id: &ConnectionId)
pub(super) fn unregister(&mut self, conn_id: &ConnectionId)
Removes conn_id’s temporary namespace.
pub(super) fn schema(&self, conn_id: &ConnectionId) -> Option<&Schema>
pub(super) fn schema_mut( &mut self, conn_id: &ConnectionId, ) -> Option<&mut Schema>
pub(super) fn schemas(&self) -> impl Iterator<Item = &Schema>
pub(super) fn conn_for_uuid(&self, uuid: &Uuid) -> Option<&ConnectionId>
pub(super) fn uuid_for_conn(&self, conn_id: &ConnectionId) -> Option<Uuid>
pub(super) fn contains_conn(&self, conn_id: &ConnectionId) -> bool
pub(super) fn contains_uuid(&self, uuid: &Uuid) -> bool
Trait Implementations§
Source§impl Clone for TemporaryNamespaces
impl Clone for TemporaryNamespaces
Source§fn clone(&self) -> TemporaryNamespaces
fn clone(&self) -> TemporaryNamespaces
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for TemporaryNamespaces
impl Debug for TemporaryNamespaces
Source§impl Default for TemporaryNamespaces
impl Default for TemporaryNamespaces
Source§fn default() -> TemporaryNamespaces
fn default() -> TemporaryNamespaces
Returns the “default value” for a type. Read more
Auto Trait Implementations§
impl Freeze for TemporaryNamespaces
impl RefUnwindSafe for TemporaryNamespaces
impl Send for TemporaryNamespaces
impl Sync for TemporaryNamespaces
impl Unpin for TemporaryNamespaces
impl UnsafeUnpin for TemporaryNamespaces
impl UnwindSafe for TemporaryNamespaces
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