Struct datafusion::common::arrow::array::MapFieldNames

pub struct MapFieldNames {
    pub entry: String,
    pub key: String,
    pub value: String,
}

The Field names for a MapArray

Fields

entry: String

Field name for map entries

key: String

Field name for map key

value: String

Field name for map value

Trait Implementations

impl Clone for MapFieldNames

fn clone(&self) -> MapFieldNames

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MapFieldNames

fn fmt(&self, f: &mut Formatter<'_>) -> Result<(), Error>

Formats the value using the given formatter.

impl Default for MapFieldNames

fn default() -> MapFieldNames

Returns the “default value” for a type.