pub struct WalCaptureProjection { /* private fields */ }Expand description
Reducer for committed keyed index events.
Implementations§
Source§impl WalCaptureProjection
impl WalCaptureProjection
Sourcepub fn apply(
&mut self,
key: Option<&[u8]>,
value: Option<&[u8]>,
) -> Result<(), String>
pub fn apply( &mut self, key: Option<&[u8]>, value: Option<&[u8]>, ) -> Result<(), String>
Apply one committed keyed value or tombstone.
§Errors
Returns an error for malformed keys, values, or inconsistent records.
Sourcepub fn capture<S: BuildHasher>(
&self,
topics: &HashMap<Uuid, (String, i32), S>,
source_cutoffs: Vec<i64>,
captured_at_ms: u64,
) -> Result<DisklessWalCapture, String>
pub fn capture<S: BuildHasher>( &self, topics: &HashMap<Uuid, (String, i32), S>, source_cutoffs: Vec<i64>, captured_at_ms: u64, ) -> Result<DisklessWalCapture, String>
Freeze the projection into a deterministic portable capture.
§Errors
Returns an error for unknown topic ids or inconsistent live ranges.
Trait Implementations§
Source§impl Default for WalCaptureProjection
impl Default for WalCaptureProjection
Source§fn default() -> WalCaptureProjection
fn default() -> WalCaptureProjection
Auto Trait Implementations§
impl Freeze for WalCaptureProjection
impl RefUnwindSafe for WalCaptureProjection
impl Send for WalCaptureProjection
impl Sync for WalCaptureProjection
impl Unpin for WalCaptureProjection
impl UnsafeUnpin for WalCaptureProjection
impl UnwindSafe for WalCaptureProjection
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