Function list_ndims

datafusion/common/src/utils/mod.rs:759–768

Compute the number of dimensions in a list data type.

(data_type: &DataType)

/// Compute the number of dimensions in a list data type.
pub fn list_ndims(data_type: &DataType) -> u64 {
    match data_type {
        DataType::List(field)
        | DataType::LargeList(field)
        | DataType::ListView(field)
        | DataType::LargeListView(field)
        | DataType::FixedSizeList(field, _) => 1 + list_ndims(field.data_type()),
        _ => 0,
    }
}

/// Adopted from strsim-rs for string similarity metrics
pub mod datafusion_strsim {