laminar_sql::datafusion::lookup_join_exec

Struct LookupSnapshot

pub struct LookupSnapshot {
    pub batch: RecordBatch,
    pub key_columns: Vec<String>,
}

Expand description

Point-in-time snapshot of a lookup table for join execution.

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§batch: RecordBatch

All rows concatenated into a single batch.

§key_columns: Vec<String>

Primary key column names used to build the hash index.

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impl !UnwindSafe for LookupSnapshot

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