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DirNamespace

Struct DirNamespace 

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

A namespace that resolves table names relative to a base directory or URI.

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impl DirNamespace

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

Create a new directory-backed namespace rooted at base_uri.

The URI is normalized so that it does not end with a trailing slash.

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pub fn base_uri(&self) -> &str

Return the normalized base URI.

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impl Clone for DirNamespace

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fn clone(&self) -> DirNamespace

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for DirNamespace

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

Formats the value using the given formatter. Read more
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impl LanceNamespace for DirNamespace

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fn namespace_id(&self) -> String

Return a human-readable unique identifier for this namespace instance. Read more
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fn describe_table<'life0, 'async_trait>( &'life0 self, request: DescribeTableRequest, ) -> Pin<Box<dyn Future<Output = Result<DescribeTableResponse>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Describe a table.
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fn list_namespaces<'life0, 'async_trait>( &'life0 self, _request: ListNamespacesRequest, ) -> Pin<Box<dyn Future<Output = Result<ListNamespacesResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

List namespaces.
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fn describe_namespace<'life0, 'async_trait>( &'life0 self, _request: DescribeNamespaceRequest, ) -> Pin<Box<dyn Future<Output = Result<DescribeNamespaceResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Describe a namespace.
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fn create_namespace<'life0, 'async_trait>( &'life0 self, _request: CreateNamespaceRequest, ) -> Pin<Box<dyn Future<Output = Result<CreateNamespaceResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Create a new namespace.
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fn drop_namespace<'life0, 'async_trait>( &'life0 self, _request: DropNamespaceRequest, ) -> Pin<Box<dyn Future<Output = Result<DropNamespaceResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Drop a namespace.
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fn namespace_exists<'life0, 'async_trait>( &'life0 self, _request: NamespaceExistsRequest, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Check if a namespace exists.
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fn list_tables<'life0, 'async_trait>( &'life0 self, _request: ListTablesRequest, ) -> Pin<Box<dyn Future<Output = Result<ListTablesResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

List tables in a namespace.
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fn register_table<'life0, 'async_trait>( &'life0 self, _request: RegisterTableRequest, ) -> Pin<Box<dyn Future<Output = Result<RegisterTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Register a table.
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fn table_exists<'life0, 'async_trait>( &'life0 self, _request: TableExistsRequest, ) -> Pin<Box<dyn Future<Output = Result<(), Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Check if a table exists.
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fn drop_table<'life0, 'async_trait>( &'life0 self, _request: DropTableRequest, ) -> Pin<Box<dyn Future<Output = Result<DropTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Drop a table.
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fn deregister_table<'life0, 'async_trait>( &'life0 self, _request: DeregisterTableRequest, ) -> Pin<Box<dyn Future<Output = Result<DeregisterTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Deregister a table.
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fn count_table_rows<'life0, 'async_trait>( &'life0 self, _request: CountTableRowsRequest, ) -> Pin<Box<dyn Future<Output = Result<i64, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Count rows in a table.
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fn create_table<'life0, 'async_trait>( &'life0 self, _request: CreateTableRequest, _request_data: Bytes, ) -> Pin<Box<dyn Future<Output = Result<CreateTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Create a new table with data from Arrow IPC stream.
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fn create_empty_table<'life0, 'async_trait>( &'life0 self, _request: CreateEmptyTableRequest, ) -> Pin<Box<dyn Future<Output = Result<CreateEmptyTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Create an empty table (metadata only operation).
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fn insert_into_table<'life0, 'async_trait>( &'life0 self, _request: InsertIntoTableRequest, _request_data: Bytes, ) -> Pin<Box<dyn Future<Output = Result<InsertIntoTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Insert data into a table.
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fn merge_insert_into_table<'life0, 'async_trait>( &'life0 self, _request: MergeInsertIntoTableRequest, _request_data: Bytes, ) -> Pin<Box<dyn Future<Output = Result<MergeInsertIntoTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Merge insert data into a table.
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fn update_table<'life0, 'async_trait>( &'life0 self, _request: UpdateTableRequest, ) -> Pin<Box<dyn Future<Output = Result<UpdateTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Update a table.
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fn delete_from_table<'life0, 'async_trait>( &'life0 self, _request: DeleteFromTableRequest, ) -> Pin<Box<dyn Future<Output = Result<DeleteFromTableResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Delete from a table.
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fn query_table<'life0, 'async_trait>( &'life0 self, _request: QueryTableRequest, ) -> Pin<Box<dyn Future<Output = Result<Bytes, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Query a table.
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fn create_table_index<'life0, 'async_trait>( &'life0 self, _request: CreateTableIndexRequest, ) -> Pin<Box<dyn Future<Output = Result<CreateTableIndexResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Create a table index.
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fn list_table_indices<'life0, 'async_trait>( &'life0 self, _request: ListTableIndicesRequest, ) -> Pin<Box<dyn Future<Output = Result<ListTableIndicesResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

List table indices.
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fn describe_table_index_stats<'life0, 'async_trait>( &'life0 self, _request: DescribeTableIndexStatsRequest, ) -> Pin<Box<dyn Future<Output = Result<DescribeTableIndexStatsResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Describe table index statistics.
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fn describe_transaction<'life0, 'async_trait>( &'life0 self, _request: DescribeTransactionRequest, ) -> Pin<Box<dyn Future<Output = Result<DescribeTransactionResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Describe a transaction.
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fn alter_transaction<'life0, 'async_trait>( &'life0 self, _request: AlterTransactionRequest, ) -> Pin<Box<dyn Future<Output = Result<AlterTransactionResponse, Error>> + Send + 'async_trait>>
where 'life0: 'async_trait, Self: 'async_trait,

Alter a transaction.

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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