ZENOTME commented on issue #341:
URL: https://github.com/apache/iceberg-rust/issues/341#issuecomment-2095633576
Thanks! @Dysprosium0626 Sorry for replying late. Our original idea here is
to construct the delete schema outside the EqualityDeleteFileWriter.
```
let equality_ids = vec![1, 3];
let delete_schema = ...;
let pb = ParquetWriterBuilder::new(
WriterProperties::builder().build(),
delete_schema,
file_io.clone(),
location_gen,
file_name_gen,
);
let mut equality_delete_writer = EqualityDeleteFileWriterBuilder::new(pb)
.build(EqualityDeleteWriterConfig::new(
equality_ids,
PARQUET_FIELD_ID_META_KEY,
))
.await?;
```
Looks like the schema always can be determined before we build the writer
rather than "run time".
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