etseidl commented on code in PR #8817:
URL: https://github.com/apache/arrow-rs/pull/8817#discussion_r2516080152
##########
parquet/src/file/metadata/writer.rs:
##########
@@ -227,22 +231,38 @@ impl<'a, W: Write> ThriftMetadataWriter<'a, W> {
None => builder.set_row_groups(row_groups),
};
- let column_indexes: Option<ParquetColumnIndex> =
column_indexes.map(|ovvi| {
- ovvi.into_iter()
- .map(|vi| {
- vi.into_iter()
- .map(|oi| oi.unwrap_or(ColumnIndexMetaData::NONE))
- .collect()
- })
- .collect()
- });
-
- // FIXME(ets): this will panic if there's a missing index.
- let offset_indexes: Option<ParquetOffsetIndex> =
offset_indexes.map(|ovvi| {
- ovvi.into_iter()
- .map(|vi| vi.into_iter().map(|oi| oi.unwrap()).collect())
- .collect()
- });
+ // test to see if all indexes for this file are empty
+ let all_none = column_indexes
Review Comment:
True, it's a wall of code. I'll see if I can simplify this some.
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