parquet_variant_compute::cast_to_variant

Macro cast_conversion

Source 
macro_rules! cast_conversion {
    ($t:ty, $method:ident, $cast_fn:expr, $input:expr, $builder:expr) => { ... };
}
Expand description

Convert the input array to a VariantArray row by row, using method to downcast the generic array to a specific array type and cast_fn to transform each element to a type compatible with Variant