Struct ForeignTableRegistry 

pub struct ForeignTableRegistry { /* private fields */ }

Central registry: maps wrapper kinds to implementations, server names to server records, foreign table names to their definitions.

Implementations

impl ForeignTableRegistry

pub fn with_builtins() -> Self

Create an empty registry populated with Phase 3.2 built-in wrappers.

pub fn register_wrapper(&self, wrapper: Arc<dyn ForeignDataWrapper>)

pub fn create_server( &self, name: &str, wrapper_kind: &str, options: FdwOptions, ) -> Result<(), FdwError>

pub fn drop_server(&self, name: &str) -> bool

pub fn create_foreign_table(&self, table: ForeignTable) -> Result<(), FdwError>

pub fn drop_foreign_table(&self, name: &str) -> bool

pub fn is_foreign_table(&self, name: &str) -> bool

pub fn foreign_table(&self, name: &str) -> Option<ForeignTable>

pub fn server(&self, name: &str) -> Option<ForeignServer>

pub fn scan(&self, table_name: &str) -> Result<Vec<UnifiedRecord>, FdwError>

Scan a foreign table — called by the runtime when a SELECT references the table by name.

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

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

Trait Implementations

impl Default for ForeignTableRegistry

fn default() -> Self

Returns the “default value” for a type.