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InMemoryCatalog

supertable_core::catalog

Struct InMemoryCatalog 

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pub struct InMemoryCatalog { /* private fields */ }
Expand description

An in-memory catalog implementation for testing and development.

This implementation stores all metadata in memory and is not persistent. It’s useful for unit tests and local development.

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impl InMemoryCatalog

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pub fn new(name: impl Into<String>) -> Self

Creates a new in-memory catalog.

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pub fn shared(name: impl Into<String>) -> Arc<Self>

Creates a new catalog wrapped in an Arc for sharing.

Trait Implementations§

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impl Catalog for InMemoryCatalog

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fn name(&self) -> &str

Returns the name of this catalog.
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fn list_namespaces<'life0, 'life1, 'async_trait>( &'life0 self, parent: Option<&'life1 [String]>, ) -> Pin<Box<dyn Future<Output = CatalogResult<Vec<Vec<String>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Lists all namespaces, optionally under a parent namespace.
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fn create_namespace<'life0, 'life1, 'async_trait>( &'life0 self, namespace: &'life1 [String], properties: NamespaceProperties, ) -> Pin<Box<dyn Future<Output = CatalogResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Creates a new namespace.
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fn drop_namespace<'life0, 'life1, 'async_trait>( &'life0 self, namespace: &'life1 [String], ) -> Pin<Box<dyn Future<Output = CatalogResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Drops a namespace (must be empty).
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fn namespace_properties<'life0, 'life1, 'async_trait>( &'life0 self, namespace: &'life1 [String], ) -> Pin<Box<dyn Future<Output = CatalogResult<NamespaceProperties>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Gets namespace properties.
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fn list_tables<'life0, 'life1, 'async_trait>( &'life0 self, namespace: &'life1 [String], ) -> Pin<Box<dyn Future<Output = CatalogResult<Vec<TableIdentifier>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Lists all tables in a namespace.
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fn create_table<'life0, 'life1, 'async_trait>( &'life0 self, identifier: &'life1 TableIdentifier, metadata: TableMetadata, ) -> Pin<Box<dyn Future<Output = CatalogResult<TableMetadata>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Creates a new table.
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fn load_table<'life0, 'life1, 'async_trait>( &'life0 self, identifier: &'life1 TableIdentifier, ) -> Pin<Box<dyn Future<Output = CatalogResult<TableMetadata>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Loads a table’s metadata.
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fn drop_table<'life0, 'life1, 'async_trait>( &'life0 self, identifier: &'life1 TableIdentifier, _purge: bool, ) -> Pin<Box<dyn Future<Output = CatalogResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Drops a table.
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fn rename_table<'life0, 'life1, 'life2, 'async_trait>( &'life0 self, from: &'life1 TableIdentifier, to: &'life2 TableIdentifier, ) -> Pin<Box<dyn Future<Output = CatalogResult<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Renames a table.
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fn table_exists<'life0, 'life1, 'async_trait>( &'life0 self, identifier: &'life1 TableIdentifier, ) -> Pin<Box<dyn Future<Output = CatalogResult<bool>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Checks if a table exists.
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fn commit_table<'life0, 'life1, 'async_trait>( &'life0 self, identifier: &'life1 TableIdentifier, base_version: i64, metadata: TableMetadata, ) -> Pin<Box<dyn Future<Output = CatalogResult<TableMetadata>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Atomically updates table metadata using compare-and-swap. Read more
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impl Debug for InMemoryCatalog

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

Formats the value using the given formatter. Read more

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