tustvold commented on code in PR #4307:
URL: https://github.com/apache/arrow-rs/pull/4307#discussion_r1211415156
##########
parquet/src/arrow/schema/mod.rs:
##########
@@ -88,15 +89,50 @@ pub(crate) fn parquet_to_array_schema_and_fields(
});
}
- match complex::convert_schema(parquet_schema, mask,
maybe_schema.as_ref())? {
+ let hint = maybe_schema.as_ref().map(|s| s.fields());
+ let field_levels = parquet_to_arrow_field_levels(parquet_schema, mask,
hint)?;
+ let schema = Schema::new_with_metadata(field_levels.fields, metadata);
+ Ok((schema, field_levels.levels))
+}
+
+/// Stores the parquet level information for a set of arrow [`Fields`]
+#[derive(Debug, Clone)]
+pub struct FieldLevels {
+ pub(crate) fields: Fields,
Review Comment:
The intention of this container is to hide the internal notion of what is
necessary to decode a field. Will clarify
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