pub struct LocalRegistry { /* private fields */ }Expand description
Catalog implementation over the existing JSON metadata registry.
The registry wraps an owned GeneMetadata; mutate through the
Catalog methods, then persist the instance with
StorageBackend::save_metadata (or take it back with
LocalRegistry::into_metadata).
Implementations§
Source§impl LocalRegistry
impl LocalRegistry
Sourcepub fn new(metadata: GeneMetadata, base: PathBuf) -> Self
pub fn new(metadata: GeneMetadata, base: PathBuf) -> Self
Wraps metadata, resolving table locations under base.
Sourcepub fn metadata(&self) -> &GeneMetadata
pub fn metadata(&self) -> &GeneMetadata
The wrapped metadata (for persistence).
Sourcepub fn into_metadata(self) -> GeneMetadata
pub fn into_metadata(self) -> GeneMetadata
Consumes the registry, returning the mutated metadata.
Trait Implementations§
Source§impl Catalog for LocalRegistry
impl Catalog for LocalRegistry
Source§fn list_tables(&self) -> StorageResult<Vec<TableDescriptor>>
fn list_tables(&self) -> StorageResult<Vec<TableDescriptor>>
All tables known to this registry.
Source§fn table_exists(&self, name: &str) -> StorageResult<bool>
fn table_exists(&self, name: &str) -> StorageResult<bool>
Whether a table with
name is registered.Source§fn describe_table(&self, name: &str) -> StorageResult<TableDescriptor>
fn describe_table(&self, name: &str) -> StorageResult<TableDescriptor>
Descriptor for
name, or StorageError::Invalid if absent.Source§fn register_table(&mut self, table: TableDescriptor) -> StorageResult<()>
fn register_table(&mut self, table: TableDescriptor) -> StorageResult<()>
Adds
table to the registry (replaces an existing entry of the same
name, mirroring Generic Table create-or-replace semantics).Source§fn deregister_table(&mut self, name: &str) -> StorageResult<()>
fn deregister_table(&mut self, name: &str) -> StorageResult<()>
Removes
name from the registry without deleting the dataset.Source§impl Clone for LocalRegistry
impl Clone for LocalRegistry
Source§fn clone(&self) -> LocalRegistry
fn clone(&self) -> LocalRegistry
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 moreAuto Trait Implementations§
impl Freeze for LocalRegistry
impl RefUnwindSafe for LocalRegistry
impl Send for LocalRegistry
impl Sync for LocalRegistry
impl Unpin for LocalRegistry
impl UnsafeUnpin for LocalRegistry
impl UnwindSafe for LocalRegistry
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,
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
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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.