[−][src]Struct lsh_rs::SqlTable
Sqlite backend for LSH.
State will be save during sessions. The database is automatically
loaded if LSH can find the database file (defaults to ./lsh.db3
.
Fields
conn: Connection
committed: Cell<bool>
Methods
impl SqlTable
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pub fn init_from_conn(
n_hash_tables: usize,
only_index_storage: bool,
conn: Connection
) -> Result<SqlTable>
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n_hash_tables: usize,
only_index_storage: bool,
conn: Connection
) -> Result<SqlTable>
pub fn commit(&self) -> Result<()>
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pub fn init_transaction(&self) -> Result<()>
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pub fn to_mem(&mut self) -> Result<()>
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pub fn index_hash(&self) -> Result<()>
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Trait Implementations
impl HashTables for SqlTable
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fn new(
n_hash_tables: usize,
only_index_storage: bool,
db_path: &str
) -> Result<Box<Self>>
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n_hash_tables: usize,
only_index_storage: bool,
db_path: &str
) -> Result<Box<Self>>
fn put(
&mut self,
hash: Hash,
_d: &DataPointSlice,
hash_table: usize
) -> Result<u32>
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&mut self,
hash: Hash,
_d: &DataPointSlice,
hash_table: usize
) -> Result<u32>
fn query_bucket(&self, hash: &Hash, hash_table: usize) -> Result<HashSet<u32>>
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Query the whole bucket
fn describe(&self) -> Result<String>
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fn store_hashers<H: VecHash + Serialize>(&mut self, hashers: &[H]) -> Result<()>
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fn load_hashers<H: VecHash + DeserializeOwned>(&self) -> Result<Vec<H>>
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fn get_unique_hash_int(&self) -> FnvHashSet<HashPrimitive>
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fn delete(
&mut self,
_hash: &Hash,
_d: &DataPointSlice,
_hash_table: usize
) -> Result<()>
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&mut self,
_hash: &Hash,
_d: &DataPointSlice,
_hash_table: usize
) -> Result<()>
fn update_by_idx(
&mut self,
_old_hash: &Hash,
_new_hash: Hash,
_idx: u32,
_hash_table: usize
) -> Result<()>
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&mut self,
_old_hash: &Hash,
_new_hash: Hash,
_idx: u32,
_hash_table: usize
) -> Result<()>
fn idx_to_datapoint(&self, _idx: u32) -> Result<&DataPoint>
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fn increase_storage(&mut self, _size: usize)
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Auto Trait Implementations
impl !RefUnwindSafe for SqlTable
impl Send for SqlTable
impl !Sync for SqlTable
impl Unpin for SqlTable
impl UnwindSafe for SqlTable
Blanket Implementations
impl<T> Any for T where
T: 'static + ?Sized,
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T: 'static + ?Sized,
impl<T> Borrow<T> for T where
T: ?Sized,
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T: ?Sized,
impl<T> BorrowMut<T> for T where
T: ?Sized,
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T: ?Sized,
fn borrow_mut(&mut self) -> &mut T
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impl<T> From<T> for T
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impl<T, U> Into<U> for T where
U: From<T>,
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U: From<T>,
impl<T, U> TryFrom<U> for T where
U: Into<T>,
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U: Into<T>,
type Error = Infallible
The type returned in the event of a conversion error.
fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>
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impl<T, U> TryInto<U> for T where
U: TryFrom<T>,
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U: TryFrom<T>,
type Error = <U as TryFrom<T>>::Error
The type returned in the event of a conversion error.
fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>
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impl<V, T> VZip<V> for T where
V: MultiLane<T>,
V: MultiLane<T>,