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DeltaImmutable

array_format::delta

Struct DeltaImmutable 

Source 
pub struct DeltaImmutable {
    pub footer: Footer,
    pub storage: Arc<dyn Storage>,
    pub path: Arc<str>,
    pub cache: Option<Arc<DeltaCache>>,
    pub array_index: HashMap<String, usize>,
}

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§footer: Footer§storage: Arc<dyn Storage>§path: Arc<str>§cache: Option<Arc<DeltaCache>>§array_index: HashMap<String, usize>

Maps array name → index in footer.arrays for O(1) lookup.

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