Commits
Jorge C. Leitao authored and Paddy Horan committed 2c494636858
ARROW-8263 [Rust] [DataFusion] Added some documentation to available SQL functions. Closes #7720 from jorgecarleitao/readme_sql Authored-by: Jorge C. Leitao <jorgecarleitao@gmail.com> Signed-off-by: Paddy Horan <paddyhoran@hotmail.com>