Struct Catalog 

pub struct Catalog { /* private fields */ }

Logical catalog: collection names, ids, and current schema version per collection.

Implementations

impl Catalog

pub fn next_collection_id(&self) -> CollectionId

Next collection id that will be assigned (replay must produce sequential creates 1..n).

pub fn is_empty(&self) -> bool

pub fn len(&self) -> usize

pub fn get(&self, id: CollectionId) -> Option<&CollectionInfo>

pub fn lookup_name(&self, name: &str) -> Option<CollectionId>

Resolve a registered collection by name (trimmed, matching Database::register_collection).

pub fn collection_names(&self) -> Vec<String>

pub fn collections(&self) -> Vec<CollectionInfo>

pub fn has_top_level_field(fields: &[FieldDef], name: &str) -> bool

true if name is a single-segment path on a top-level field.

pub fn apply_record(&mut self, record: CatalogRecordWire) -> Result<(), DbError>

Apply one catalog record (from replay or after a local append).

Trait Implementations

impl Clone for Catalog

fn clone(&self) -> Catalog

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for Catalog

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

Formats the value using the given formatter.

impl Default for Catalog

fn default() -> Self

Returns the “default value” for a type.