Andy Grove
Andy Grove
This is going to be easy. I have some ugly prototype code working already. ```rust let path = Path::new(&args[1]); let file = File::open(&path).unwrap(); let parquet_reader = SerializedFileReader::new(file).unwrap(); let row_group_reader =...
I'm curious if there are plans to support HDFS within this crate? The Java parquet library allows parquet files to be read locally or from HDFS and in both cases...
### What changes were proposed in this pull request? AQE uses statistics from completed query stages and feeds them back into the logical optimizer. AQE currently only uses `dataSize` and...
**Is your feature request related to a problem? Please describe.** I would like to be able to implement a GPU version of Spark's `approx_count_distinct` function, which uses the [HyperLogLog++](https://en.wikipedia.org/wiki/HyperLogLog) cardinality...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** We have many issues now for subquery support, with some duplication so...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** DataFusion is too difficult to learn for new users. See https://towardsdev.com/writing-a-data-pipeline-in-rust-with-datafusion-25b5e45410ca for...
# Which issue does this PR close? Closes https://github.com/apache/arrow-datafusion/issues/3099 Depends on https://github.com/sqlparser-rs/sqlparser-rs/pull/569 # Rationale for this change I would like to support queries using `SIMILAR TO` syntax in Postgres. #...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Planning for DataFusion 12.0.0 **Describe the solution you'd like** The usual schedule...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** Add support for Postgres SIMILAR TO syntax. https://www.postgresql.org/docs/current/functions-matching.html#FUNCTIONS-SIMILARTO-REGEXP **Describe the solution you'd...
**Is your feature request related to a problem or challenge? Please describe what you are trying to do.** It will soon be time for the next release. I plan on...