Enum dataflow_types::SourceConnector[][src]

pub enum SourceConnector {
    External {
        connector: ExternalSourceConnector,
        encoding: SourceDataEncoding,
        envelope: SourceEnvelope,
        consistency: Consistency,
        ts_frequency: Duration,
        timeline: Timeline,
        persist: Option<SourcePersistDesc>,
    },
    Local {
        timeline: Timeline,
        persisted_name: Option<String>,
    },
}

Variants

External

Fields

envelope: SourceEnvelope
consistency: Consistency
ts_frequency: Duration
timeline: Timeline

Local

Fields

timeline: Timeline
persisted_name: Option<String>

A local “source” is either fed by a local input handle, or by reading from a persisted_source(). For non-persisted sources, values that are to be inserted are sent from the coordinator and pushed into the handle on a worker.

For persisted sources, the coordinator only writes new values to a persistent stream. These values will then “show up” here because we read from the same persistent stream.

Implementations

Returns true if this connector yields input data (including timestamps) that is stable across restarts. This is important for exactly-once Sinks that need to ensure that the same data is written, even when failures/restarts happen.

Trait Implementations

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