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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/09/16 09:34:32 UTC

[GitHub] [arrow] jhorstmann commented on a change in pull request #8183: ARROW-9990: [Rust] [DataFusion] Fixed the NOT operator

jhorstmann commented on a change in pull request #8183:
URL: https://github.com/apache/arrow/pull/8183#discussion_r489300959



##########
File path: rust/datafusion/src/physical_plan/expressions.rs
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@@ -1306,18 +1295,11 @@ impl PhysicalExpr for NotExpr {
     }
 
     fn nullable(&self, _input_schema: &Schema) -> Result<bool> {
-        // !Null == true
-        Ok(false)
+        Ok(true)

Review comment:
       Should we return `arg.nullable()` here?




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