Commits
Nga Tran authored and Andrew Lamb committed 9460da1a9d7
ARROW-11742: [Rust][DataFusion] Add Expr::is_null and Expr::is_not_nu… Implement is_null and is_not_null for DataFusion logical_plan's Expr specified in[ ARROW-11742](https://issues.apache.org/jira/browse/ARROW-11742) Closes #9608 from NGA-TRAN/ARROW-11742 Authored-by: Nga Tran <ntran@influxdata.com> Signed-off-by: Andrew Lamb <andrew@nerdnetworks.org>