jonashaag commented on issue #5270:
URL: https://github.com/apache/arrow-rs/issues/5270#issuecomment-1873943429
```
In [3]:
pq.ParquetFile("/tmp/no_stats.parquet").metadata.row_group(0).column(0)
Out[3]:
<pyarrow._parquet.ColumnChunkMetaData object at 0x105bf7100>
...
statistics:
<pyarrow._parquet.Statistics object at 0x125cf6200>
has_min_max: False
min: None
max: None
...
In [5]: table = pq.read_table("/tmp/no_stats.parquet")
# Re-write table with PyArrow
In [6]: with pq.ParquetWriter("/tmp/with_stats.parquet",
schema=table.schema) as w:
...: w.write_table(table)
...:
In [7]:
pq.ParquetFile("/tmp/with_stats.parquet").metadata.row_group(0).column(0)
Out[7]:
<pyarrow._parquet.ColumnChunkMetaData object at 0x105660680>
...
statistics:
<pyarrow._parquet.Statistics object at 0x125cf5da0>
has_min_max: True
min: 01
max: 01
...
```
[no_stats.parquet.zip](https://github.com/apache/arrow-rs/files/13809687/no_stats.parquet.zip)
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