Struct RowMetadataRegistry

pub struct RowMetadataRegistry { /* private fields */ }

Registry that manages metadata sources for different tables. Provides a centralized way to register and retrieve metadata sources that can be used to obtain row-level metadata for tables.

Implementations

impl RowMetadataRegistry

pub fn new_with_default_source( default_source: Arc<dyn RowMetadataSource>, ) -> Self

Initializes this RowMetadataRegistry with a default RowMetadataSource to be used if a table has not been explicitly registered with a specific source.

Typically the FileMetadata source should be used as the default.

pub fn new_empty() -> Self

Initializes a new RowMetadataRegistry with no default RowMetadataSource.

Users should typically use RowMetadataRegistry::new_with_default_source.

pub fn register_source( &self, table: &ResolvedTableReference, source: Arc<dyn RowMetadataSource>, ) -> Option<Arc<dyn RowMetadataSource>>

Registers a metadata source for a specific table. Returns the previously registered source for this table, if any

pub fn get_source( &self, table: &ResolvedTableReference, ) -> Result<Arc<dyn RowMetadataSource>>

Retrieves the registered RowMetadataSource for a specific table.

Trait Implementations

impl Debug for RowMetadataRegistry

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

Formats the value using the given formatter.