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Posted to github@arrow.apache.org by GitBox <gi...@apache.org> on 2020/12/09 14:58:18 UTC

[GitHub] [arrow] andygrove commented on a change in pull request #8865: ARROW-10839: [Rust] [Data Fusion] Implement BETWEEN operator

andygrove commented on a change in pull request #8865:
URL: https://github.com/apache/arrow/pull/8865#discussion_r539376531



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File path: rust/datafusion/src/logical_plan/expr.rs
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@@ -265,6 +277,7 @@ impl Expr {
                 ..
             } => Ok(left.nullable(input_schema)? || right.nullable(input_schema)?),
             Expr::Sort { ref expr, .. } => expr.nullable(input_schema),
+            Expr::Between { .. } => Ok(true),

Review comment:
       Isn't BETWEEN nullable if the underlying expression is nullable?




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