Struct NamespaceRegistry 

pub struct NamespaceRegistry { /* private fields */ }

Registry tracking the namespace → database → table hierarchy.

Provides O(1) lookups and enforces naming constraints.

Implementations

impl NamespaceRegistry

pub fn new() -> Self

Create a new empty registry.

pub fn create_namespace( &mut self, namespace: &str, ) -> Result<(), NamespaceError>

Register a namespace (idempotent).

pub fn create_database( &mut self, namespace: &str, database: &str, ) -> Result<(), NamespaceError>

Create a database within a namespace.

pub fn create_table( &mut self, namespace: &str, database: &str, table: &str, ) -> Result<(), NamespaceError>

Register a table within a namespace/database.

pub fn list_databases(&self, namespace: &str) -> Vec<&str>

List databases in a namespace.

pub fn list_tables(&self, namespace: &str, database: &str) -> Vec<&str>

List tables in a database.

pub fn namespace_exists(&self, namespace: &str) -> bool

Check if a namespace exists.

pub fn database_exists(&self, namespace: &str, database: &str) -> bool

Check if a database exists within a namespace.

pub fn table_exists(&self, namespace: &str, database: &str, table: &str) -> bool

Check if a table exists within a namespace/database.

pub fn drop_database(&mut self, namespace: &str, database: &str) -> bool

Drop a database and all its tables.

pub fn drop_table( &mut self, namespace: &str, database: &str, table: &str, ) -> bool

Drop a table from a database.

pub fn drop_namespace(&mut self, namespace: &str) -> bool

Drop a namespace and all its databases/tables.

pub fn resolve_table(&self, qualified: &QualifiedTable) -> bool

Resolve a qualified table path to check it exists.

Trait Implementations

impl Clone for NamespaceRegistry

fn clone(&self) -> NamespaceRegistry

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for NamespaceRegistry

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

Formats the value using the given formatter.

impl Default for NamespaceRegistry

fn default() -> NamespaceRegistry

Returns the “default value” for a type.