alamb commented on a change in pull request #2068:
URL: https://github.com/apache/arrow-datafusion/pull/2068#discussion_r835490032
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File path: datafusion-physical-expr/src/physical_expr.rs
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@@ -38,4 +43,74 @@ pub trait PhysicalExpr: Send + Sync + Display + Debug {
fn nullable(&self, input_schema: &Schema) -> Result<bool>;
/// Evaluate an expression against a RecordBatch
fn evaluate(&self, batch: &RecordBatch) -> Result<ColumnarValue>;
+ /// Evaluate an expression against a RecordBatch with validity array
Review comment:
```suggestion
/// Evaluate an expression against a RecordBatch after first applying a
/// validity array
```
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