XiaoHongbo-Hope commented on code in PR #8893:
URL: https://github.com/apache/paimon/pull/8893#discussion_r3667292744
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paimon-python/pypaimon/read/reader/format_pyarrow_reader.py:
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@@ -115,12 +167,15 @@ def __init__(self, file_io: FileIO, file_format: str,
file_path: str,
# Read projected VARIANT columns in bounded batches.
self._parquet_file = None
- if self._bounded_variant_read:
+ if (self._bounded_variant_read
+ or self._selected_parquet_row_groups is not None):
Review Comment:
Fixed in d29233b98. The row-group path now preserves the logical row count
when rebuilding a zero-column RecordBatch. Added regressions for both
`_ROW_ID`-only and missing-only projections; the related suite passes on the
current environment and on Python 3.6 with PyArrow 6.
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