jroddev commented on code in PR #6582:
URL: https://github.com/apache/arrow-rs/pull/6582#discussion_r1806025545
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parquet/src/arrow/async_reader/mod.rs:
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@@ -828,6 +829,7 @@ impl<'a> RowGroups for InMemoryRowGroup<'a> {
Some(data) => {
let page_locations = self
.offset_index
+ .filter(|index| !index.is_empty())
Review Comment:
This panic happens when metadata is saved to a file and reloaded
such as in the test `empty_offset_index_doesnt_panic_in_column_chunks` or in
the example `external_metadata`
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