pub struct GeneMetadata {
pub name_id: String,
pub nrows: usize,
pub ncols: usize,
pub base: String,
pub files: HashMap<String, FileInfo>,
pub created_at: String,
}Expand description
Metadata for an ArrowSpace index persisted to Lance storage.
Tracks dataset dimensions, builder configuration, file locations, and pipeline context.
Fields§
§name_id: String§nrows: usize§ncols: usize§base: String§files: HashMap<String, FileInfo>§created_at: StringImplementations§
Source§impl GeneMetadata
impl GeneMetadata
Sourcepub async fn read(path: PathBuf) -> Result<Self, StorageError>
pub async fn read(path: PathBuf) -> Result<Self, StorageError>
Read metadata file from JSON
Trait Implementations§
Source§impl Clone for GeneMetadata
impl Clone for GeneMetadata
Source§fn clone(&self) -> GeneMetadata
fn clone(&self) -> GeneMetadata
Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moreSource§impl Debug for GeneMetadata
impl Debug for GeneMetadata
Source§impl<'de> Deserialize<'de> for GeneMetadata
impl<'de> Deserialize<'de> for GeneMetadata
Source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
Deserialize this value from the given Serde deserializer. Read more
Source§impl Metadata for GeneMetadata
impl Metadata for GeneMetadata
Source§fn new(name_id: &str) -> Self
fn new(name_id: &str) -> Self
Empty metadata object do not use in test, use seed_metadata_eigen instead
Source§async fn seed_metadata<B: StorageBackend>(
name_id: &str,
nitems: usize,
nfeatures: usize,
storage: &B,
) -> Result<GeneMetadata, StorageError>
async fn seed_metadata<B: StorageBackend>( name_id: &str, nitems: usize, nfeatures: usize, storage: &B, ) -> Result<GeneMetadata, StorageError>
Standard pipeline object
Source§fn new_fileinfo(
&self,
key: &str,
filetype: &str,
data_shape: (usize, usize),
nnz: Option<usize>,
size_bytes: Option<u64>,
) -> StorageResult<FileInfo>
fn new_fileinfo( &self, key: &str, filetype: &str, data_shape: (usize, usize), nnz: Option<usize>, size_bytes: Option<u64>, ) -> StorageResult<FileInfo>
instantiate a new file info instance for this Metadata type
fn with_base(self, base_path: PathBuf) -> Self
fn with_dimensions(self, rows: usize, cols: usize) -> Self
Auto Trait Implementations§
impl Freeze for GeneMetadata
impl RefUnwindSafe for GeneMetadata
impl Send for GeneMetadata
impl Sync for GeneMetadata
impl Unpin for GeneMetadata
impl UnsafeUnpin for GeneMetadata
impl UnwindSafe for GeneMetadata
Blanket Implementations§
impl<T> Allocation for T
Source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
Source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
impl<ST, DT> CastableFrom<ST, Initialized, Initialized> for DT
impl<ST, DT> CastableFrom<ST, Uninit, Uninit> for DT
Source§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> DeserializeOwned for Twhere
T: for<'de> Deserialize<'de>,
Source§impl<T> IntoEither for T
impl<T> IntoEither for T
Source§fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
fn into_either(self, into_left: bool) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left is true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
fn into_either_with<F>(self, into_left: F) -> Either<Self, Self> ⓘ
Converts
self into a Left variant of Either<Self, Self>
if into_left(&self) returns true.
Converts self into a Right variant of Either<Self, Self>
otherwise. Read moreSource§impl<T> Pointable for T
impl<T> Pointable for T
impl<T> Read<Exclusive, BecauseExclusive> for Twhere
T: ?Sized,
Source§impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
impl<SS, SP> SupersetOf<SS> for SPwhere
SS: SubsetOf<SP>,
Source§fn to_subset(&self) -> Option<SS>
fn to_subset(&self) -> Option<SS>
The inverse inclusion map: attempts to construct
self from the equivalent element of its
superset. Read moreSource§fn is_in_subset(&self) -> bool
fn is_in_subset(&self) -> bool
Checks if
self is actually part of its subset T (and can be converted to it).Source§unsafe fn to_subset_unchecked(&self) -> SS
unsafe fn to_subset_unchecked(&self) -> SS
Use with care! Same as
self.to_subset but without any property checks. Always succeeds.Source§fn from_subset(element: &SS) -> SP
fn from_subset(element: &SS) -> SP
The inclusion map: converts
self to the equivalent element of its superset.