viirya commented on a change in pull request #1517:
URL: https://github.com/apache/arrow-rs/pull/1517#discussion_r840764248
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File path: parquet/src/arrow/array_reader/builder.rs
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@@ -698,7 +700,12 @@ impl<'a> ArrayReaderBuilder {
ArrowType::Struct(fields) => {
field = fields.iter().find(|f| f.name() == part)
}
- ArrowType::List(list_field) => field =
Some(list_field.as_ref()),
+ ArrowType::List(list_field) => match
list_field.data_type() {
+ ArrowType::Struct(fields) => {
+ field = fields.iter().find(|f| f.name() ==
part)
+ }
+ _ => field = Some(list_field.as_ref()),
+ },
Review comment:
This was tested by using the example in #1515. Not sure if it is easy to
add a unit test.
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