Drill seems to use different filtering rules for files depending on the type.
- Parquet: filtering hidden file (starting with ".") we request the directory or the files with *
- CSV, json: filtering hidden file (starting with ".") if the request is on directory or files
Some issue are about the problematic of hidden files, example :
But don't found any precision of this filtering in the documentation. I found that hidden file start with "." or "_" but maybe there are other case ?
It's a little bit strange to not have the same filtering rules depending of the type of the file.
It's not practical to not have the possibility to simply say if we want or not hidden file. For example with a :