Module union 

Cast support for union arrays.

Re-exports

use crate::cast::can_cast_types; 🔒

use crate::cast_with_options; 🔒

use arrow_array::Array; 🔒

use arrow_array::ArrayRef; 🔒

use arrow_array::UnionArray; 🔒

use arrow_schema::ArrowError; 🔒

use arrow_schema::DataType; 🔒

use arrow_schema::FieldRef; 🔒

use arrow_schema::UnionFields; 🔒

use arrow_select::union_extract::union_extract_by_id; 🔒

use super::CastOptions; 🔒

Functions

resolve_child_array 🔒

Selects the best-matching child array from a [UnionArray] for a given target type

same_type_family 🔒

union_extract_by_type

Extracts the best-matching child array from a [UnionArray] for a given target type, and casts it to that type.