jayzhan211 commented on code in PR #8902:
URL: https://github.com/apache/arrow-datafusion/pull/8902#discussion_r1461316541
##########
datafusion/expr/src/type_coercion/functions.rs:
##########
@@ -104,23 +105,40 @@ fn get_valid_types(
let elem_base_type = datafusion_common::utils::base_type(elem_type);
let new_base_type = comparison_coercion(&array_base_type,
&elem_base_type);
- if new_base_type.is_none() {
- return internal_err!(
+ let new_base_type = new_base_type.ok_or_else(|| {
+ internal_datafusion_err!(
"Coercion from {array_base_type:?} to {elem_base_type:?} not
supported."
- );
- }
- let new_base_type = new_base_type.unwrap();
+ )
+ })?;
let array_type =
datafusion_common::utils::coerced_type_with_base_type_only(
array_type,
&new_base_type,
);
+ // type coercion for nested FixedSizeList
+ let elem_type =
datafusion_common::utils::coerced_type_with_base_type_only(
Review Comment:
It seems you are convert fixsize to list here. But it could be handled in
`coerce_arguments_for_fun` later on.
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