friendlymatthew commented on code in PR #7896:
URL: https://github.com/apache/arrow-rs/pull/7896#discussion_r2203451761
##########
parquet-variant/src/variant/object.rs:
##########
@@ -618,4 +620,112 @@ mod tests {
ArrowError::InvalidArgumentError(ref msg) if msg.contains("Tried
to extract byte(s) ..16 from 15-byte buffer")
));
}
+
+ fn test_variant_object_with_count(count: i32, expected_field_id_size:
OffsetSizeBytes) {
+ let mut builder = VariantBuilder::new();
+ let mut obj = builder.new_object();
+ for val in 0..count {
+ let key = format!("id_{}", val);
+ obj.insert(&key, val);
+ }
+
+ obj.finish().unwrap();
+ let (metadata, value) = builder.finish();
+ let variant = Variant::try_new(&metadata, &value).unwrap();
Review Comment:
Using the builder already does validation, so we can save a lot of time by
doing unchecked validation when reconstructing the variant.
Something like:
```rs
let variant = Variant::new(&metadata, &value);
```
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