Function can_cast

src/sql/src/plan/typeconv.rs:1570–1577

Reports whether it is possible to perform a cast from the specified types.

(
    ecx: &ExprContext,
    ccx: CastContext,
    cast_from: &SqlScalarType,
    cast_to: &SqlScalarType,
)

/// Reports whether it is possible to perform a cast from the specified types.
pub fn can_cast(
    ecx: &ExprContext,
    ccx: CastContext,
    cast_from: &SqlScalarType,
    cast_to: &SqlScalarType,
) -> bool {
    get_cast(ecx, ccx, cast_from, cast_to).is_ok()
}