viirya commented on a change in pull request #1448:
URL: https://github.com/apache/arrow-rs/pull/1448#discussion_r827403115
##########
File path: parquet/src/arrow/array_reader.rs
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@@ -924,7 +927,7 @@ impl<OffsetSize: OffsetSizeTrait> ArrayReader for
ListArrayReader<OffsetSize> {
&& (rep_levels.len() == next_batch_array.len()))
{
return Err(ArrowError(
- "Expected item_reader def_levels and rep_levels to be same
length as batch".to_string(),
+ format!("Expected item_reader def_levels {} and rep_levels {}
to be same length as batch {}", def_levels.len(), rep_levels.len(),
next_batch_array.len()),
Review comment:
Purely for debugging purpose. I feel it is clear.
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