emkornfield commented on a change in pull request #11984:
URL: https://github.com/apache/arrow/pull/11984#discussion_r779308089
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File path: cpp/src/parquet/column_reader.cc
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@@ -993,6 +996,9 @@ int64_t TypedColumnReaderImpl<DType>::ReadBatch(int64_t
batch_size, int16_t* def
*values_read = this->ReadValues(values_to_read, values);
int64_t total_values = std::max(num_def_levels, *values_read);
+ if (total_values == 0) {
+ ParquetException::EofException("Read 0 values");
Review comment:
is it possible to add in the number of additional values expected or is
it not-knowable at this point? Are there issues if somehow a data page/row
group has different values?
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