tustvold commented on code in PR #5322:
URL: https://github.com/apache/arrow-rs/pull/5322#discussion_r1461722316
##########
parquet/src/schema/types.rs:
##########
@@ -1085,20 +1085,38 @@ fn from_thrift_helper(elements: &[SchemaElement],
index: usize) -> Result<(usize
));
}
let repetition =
Repetition::try_from(elements[index].repetition_type.unwrap())?;
- let physical_type =
PhysicalType::try_from(elements[index].type_.unwrap())?;
- let length = elements[index].type_length.unwrap_or(-1);
- let scale = elements[index].scale.unwrap_or(-1);
- let precision = elements[index].precision.unwrap_or(-1);
- let name = &elements[index].name;
- let builder = Type::primitive_type_builder(name, physical_type)
- .with_repetition(repetition)
- .with_converted_type(converted_type)
- .with_logical_type(logical_type)
- .with_length(length)
- .with_precision(precision)
- .with_scale(scale)
- .with_id(field_id);
- Ok((index + 1, Arc::new(builder.build()?)))
+ if let Some(type_) = elements[index].type_ {
+ let physical_type = PhysicalType::try_from(type_)?;
+ let length = elements[index].type_length.unwrap_or(-1);
+ let scale = elements[index].scale.unwrap_or(-1);
+ let precision = elements[index].precision.unwrap_or(-1);
+ let name = &elements[index].name;
+ let builder = Type::primitive_type_builder(name, physical_type)
+ .with_repetition(repetition)
+ .with_converted_type(converted_type)
+ .with_logical_type(logical_type)
+ .with_length(length)
+ .with_precision(precision)
+ .with_scale(scale)
+ .with_id(field_id);
+ Ok((index + 1, Arc::new(builder.build()?)))
+ } else {
+ let mut builder =
Type::group_type_builder(&elements[index].name)
+ .with_converted_type(converted_type)
+ .with_logical_type(logical_type)
+ .with_id(field_id);
+ if !is_root_node {
+ // Sometimes parquet-cpp and parquet-mr set repetition
level REQUIRED or
Review Comment:
Is there some way we could test this?
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