mbutrovich commented on code in PR #1778:
URL: https://github.com/apache/iceberg-rust/pull/1778#discussion_r2475101638
##########
crates/iceberg/src/arrow/caching_delete_file_loader.rs:
##########
@@ -224,14 +224,12 @@ impl CachingDeleteFileLoader {
let (sender, receiver) = channel();
del_filter.insert_equality_delete(&task.file_path, receiver);
+ // Equality deletes intentionally have partial schemas. Schema
evolution would add
+ // NULL values for missing REQUIRED columns, causing Arrow
validation to fail.
Ok(DeleteFileContext::FreshEqDel {
- batch_stream: BasicDeleteFileLoader::evolve_schema(
- basic_delete_file_loader
- .parquet_to_batch_stream(&task.file_path)
- .await?,
- schema,
- )
- .await?,
+ batch_stream: basic_delete_file_loader
Review Comment:
So I accidentally brought unintended changes from #1782 here. I will address
your comment in that PR. Thanks again @liurenjie1024!
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