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json_index_target

mito2::sst::index::column

Function json_index_target 

Source 
pub(crate) fn json_index_target(
    metadata: &RegionMetadata,
    expr: &Expr,
    enabled: impl Fn(&JsonTypeHint) -> bool,
) -> Result<Option<(IndexTarget, ConcreteDataType)>>
Expand description

Resolves a typed JSON access when its hint enables the requested index.