sunchao / parquet-rs

Apache Parquet implementation in Rust
Apache License 2.0
147 stars 20 forks source link

Parquet-schema command should also report statistics if available #156

Closed sadikovi closed 6 years ago

sadikovi commented 6 years ago

When debugging Parquet files I found that it can be useful to see the column statistics (if available), e.g. when trying to figure out if row group filtering is happening in Spark.

Would be great if we could print statistics (min, max, nulls, maybe column order) in addition to all of the metadata the command already displays.