fedimint_core::db

Struct PrefixDatabaseTransaction

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struct PrefixDatabaseTransaction<Inner> {
    inner: Inner,
    global_dbtx_access_token: Option<GlobalDBTxAccessToken>,
    prefix: Vec<u8>,
}
Expand description

A database transactions that wraps an inner one and adds a prefix to all operations, effectively creating an isolated partition.

Produced by PrefixDatabase.

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§inner: Inner§global_dbtx_access_token: Option<GlobalDBTxAccessToken>§prefix: Vec<u8>

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impl<Inner> PrefixDatabaseTransaction<Inner>

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fn get_full_key(&self, key: &[u8]) -> Vec<u8>

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fn get_full_range(&self, range: Range<&[u8]>) -> Range<Vec<u8>>

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fn adapt_prefix_stream( stream: PrefixStream<'_>, prefix_len: usize, ) -> PrefixStream<'_>

Trait Implementations§

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impl<Inner: Debug> Debug for PrefixDatabaseTransaction<Inner>

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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<Inner> IDatabaseTransaction for PrefixDatabaseTransaction<Inner>
where Inner: IDatabaseTransaction,

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fn commit_tx<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Commit the transaction
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fn is_global(&self) -> bool

Is global database
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impl<Inner> IDatabaseTransactionOps for PrefixDatabaseTransaction<Inner>

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fn rollback_tx_to_savepoint<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

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fn set_tx_savepoint<'life0, 'async_trait>( &'life0 mut self, ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait,

Create a savepoint during the transaction that can be rolled back to using rollback_tx_to_savepoint. Rolling back to the savepoint will atomically remove the writes that were applied since the savepoint was created. Read more
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impl<Inner> IDatabaseTransactionOpsCore for PrefixDatabaseTransaction<Inner>

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fn raw_insert_bytes<'life0, 'life1, 'life2, 'async_trait>( &'life0 mut self, key: &'life1 [u8], value: &'life2 [u8], ) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait, 'life2: 'async_trait,

Insert entry
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fn raw_get_bytes<'life0, 'life1, 'async_trait>( &'life0 mut self, key: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Get key value
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fn raw_remove_entry<'life0, 'life1, 'async_trait>( &'life0 mut self, key: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = Result<Option<Vec<u8>>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Remove entry by key
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fn raw_find_by_prefix<'life0, 'life1, 'async_trait>( &'life0 mut self, key_prefix: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = Result<PrefixStream<'_>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Returns an stream of key-value pairs with keys that start with key_prefix, sorted by key.
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fn raw_find_by_prefix_sorted_descending<'life0, 'life1, 'async_trait>( &'life0 mut self, key_prefix: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = Result<PrefixStream<'_>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Same as Self::raw_find_by_prefix but the order is descending by key.
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fn raw_find_by_range<'life0, 'life1, 'async_trait>( &'life0 mut self, range: Range<&'life1 [u8]>, ) -> Pin<Box<dyn Future<Output = Result<PrefixStream<'_>>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Returns an stream of key-value pairs with keys within a range, sorted by key. Range is an (half-open) range bounded inclusively below and exclusively above.
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fn raw_remove_by_prefix<'life0, 'life1, 'async_trait>( &'life0 mut self, key_prefix: &'life1 [u8], ) -> Pin<Box<dyn Future<Output = Result<()>> + Send + 'async_trait>>
where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Delete keys matching prefix

Auto Trait Implementations§

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impl<Inner> Freeze for PrefixDatabaseTransaction<Inner>
where Inner: Freeze,

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impl<Inner> RefUnwindSafe for PrefixDatabaseTransaction<Inner>
where Inner: RefUnwindSafe,

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impl<Inner> Send for PrefixDatabaseTransaction<Inner>
where Inner: Send,

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impl<Inner> Sync for PrefixDatabaseTransaction<Inner>
where Inner: Sync,

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impl<Inner> Unpin for PrefixDatabaseTransaction<Inner>
where Inner: Unpin,

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impl<Inner> UnwindSafe for PrefixDatabaseTransaction<Inner>
where Inner: UnwindSafe,

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