alamb commented on a change in pull request #987:
URL: https://github.com/apache/arrow-rs/pull/987#discussion_r759682090
##########
File path: parquet/src/arrow/arrow_reader.rs
##########
@@ -670,6 +670,7 @@ mod tests {
}
#[test]
+ #[ignore]
Review comment:
This test fails as follows:
```
---- arrow::arrow_reader::tests::test_read_maps stdout ----
thread 'arrow::arrow_reader::tests::test_read_maps' panicked at 'called
`Result::unwrap()` on an `Err` value: InvalidArgumentError("Child type mismatch
for Struct([Field { name: \"key\", data_type: Utf8, nullable: false, dict_id:
0, dict_is_ordered: false, metadata: None }, Field { name: \"value\",
data_type: Map(Field { name: \"key_value\", data_type: Struct([Field { name:
\"key\", data_type: Int32, nullable: false, dict_id: 0, dict_is_ordered: false,
metadata: None }, Field { name: \"value\", data_type: Boolean, nullable: false,
dict_id: 0, dict_is_ordered: false, metadata: None }]), nullable: false,
dict_id: 0, dict_is_ordered: false, metadata: None }, false), nullable: true,
dict_id: 0, dict_is_ordered: false, metadata: None }]). Expected Map(Field {
name: \"key_value\", data_type: Struct([Field { name: \"key\", data_type:
Int32, nullable: false, dict_id: 0, dict_is_ordered: false, metadata: None },
Field { name: \"value\", data_type: Boolean, nullable: false, dict_id: 0, dict
_is_ordered: false, metadata: None }]), nullable: false, dict_id: 0,
dict_is_ordered: false, metadata: None }, false) but child data had Map(Field {
name: \"key_value\", data_type: Struct([Field { name: \"key\", data_type:
Int32, nullable: false, dict_id: 0, dict_is_ordered: false, metadata: None },
Field { name: \"value\", data_type: Boolean, nullable: false, dict_id: 0,
dict_is_ordered: false, metadata: None }]), nullable: true, dict_id: 0,
dict_is_ordered: false, metadata: None }, false)")',
arrow/src/array/data.rs:308:34
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace
```
(the issue is the nullability of the child field is declared differently on
the Struct's datatype than on the ArrayData)
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