Struct CachedFileMetadata

pub struct CachedFileMetadata {
    pub file_schema: Arc<Schema>,
    pub column_metadatas: Vec<ColumnMetadata>,
    pub column_infos: Vec<Arc<ColumnInfo>>,
    pub num_rows: u64,
    pub file_buffers: Vec<BufferDescriptor>,
    pub num_data_bytes: u64,
    pub num_column_metadata_bytes: u64,
    pub num_global_buffer_bytes: u64,
    pub num_footer_bytes: u64,
    pub major_version: u16,
    pub minor_version: u16,
}

Fields

file_schema: Arc<Schema>

The schema of the file

column_metadatas: Vec<ColumnMetadata>

The column metadatas

column_infos: Vec<Arc<ColumnInfo>>

num_rows: u64

The number of rows in the file

file_buffers: Vec<BufferDescriptor>

num_data_bytes: u64

The number of bytes contained in the data page section of the file

num_column_metadata_bytes: u64

The number of bytes contained in the column metadata (not including buffers referenced by the metadata)

num_global_buffer_bytes: u64

The number of bytes contained in global buffers

num_footer_bytes: u64

The number of bytes contained in the CMO and GBO tables

major_version: u16

minor_version: u16

Implementations

impl CachedFileMetadata

pub fn version(&self) -> LanceFileVersion

Trait Implementations

impl Debug for CachedFileMetadata

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

Formats the value using the given formatter.

impl DeepSizeOf for CachedFileMetadata

fn deep_size_of_children(&self, context: &mut Context) -> usize

Returns an estimation of the heap-managed storage of this object. This does not include the size of the object itself.

fn deep_size_of(&self) -> usize

Returns an estimation of a total size of memory owned by the object, including heap-managed storage.