Struct MapArrowToVariantBuilder 

pub(crate) struct MapArrowToVariantBuilder<'a> {
    map_array: &'a MapArray,
    key_strings: StringArray,
    values_builder: Box<ArrowToVariantRowBuilder<'a>>,
}

Map builder for MapArray types

Fields

map_array: &'a MapArray

key_strings: StringArray

values_builder: Box<ArrowToVariantRowBuilder<'a>>

Implementations

impl<'a> MapArrowToVariantBuilder<'a>

pub(crate) fn new( array: &'a dyn Array, options: &'a CastOptions<'_>, ) -> Result<Self, ArrowError>

fn append_row( &mut self, builder: &mut impl VariantBuilderExt, index: usize, ) -> Result<(), ArrowError>