shachibista commented on issue #374:
URL: https://github.com/apache/arrow-go/issues/374#issuecomment-2868031956
Yes you are right, it is the uncompressed size. I checked with clickhouse
and here's the row group information:
```python
{
...
"row_groups": [
{
"file_offset": "4",
"num_columns": "29",
"num_rows": "4173285",
"total_uncompressed_size": "1090830385",
"total_compressed_size": "368148098",
"columns": [ ... ]
}
...
}
```
I'll try with a larger dataset and report back.
> Meanwhile `RowGroupTotalBytesWritten()` returns the raw number of bytes
written to the file itself, which would be the compressed sizes.
Ah I assumed it was the uncompressed size since there is a corresponding
`RowGroupTotalCompressedBytes()` method.
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