jayzhan211 commented on code in PR #14289:
URL: https://github.com/apache/datafusion/pull/14289#discussion_r1929640010
##########
datafusion/physical-expr/src/scalar_function.rs:
##########
@@ -186,6 +186,56 @@ impl PhysicalExpr for ScalarFunctionExpr {
.map(|e| e.evaluate(batch))
.collect::<Result<Vec<_>>>()?;
+ if self.fun.signature().strict && args.iter().any(|arg|
arg.data_type().is_null())
+ {
+ let null_value = match &self.return_type {
+ DataType::Null => ScalarValue::Null,
+ DataType::Boolean => ScalarValue::Boolean(None),
+ DataType::Int8 => ScalarValue::Int8(None),
+ DataType::Int16 => ScalarValue::Int16(None),
+ DataType::Int32 => ScalarValue::Int32(None),
+ DataType::Int64 => ScalarValue::Int64(None),
+ DataType::UInt8 => ScalarValue::UInt8(None),
+ DataType::UInt16 => ScalarValue::UInt16(None),
+ DataType::UInt32 => ScalarValue::UInt32(None),
+ DataType::UInt64 => ScalarValue::UInt64(None),
+ DataType::Float16 => ScalarValue::Float16(None),
+ DataType::Float32 => ScalarValue::Float32(None),
+ DataType::Float64 => ScalarValue::Float64(None),
+ DataType::Timestamp(_, _) => todo!(),
+ DataType::Date32 => todo!(),
+ DataType::Date64 => todo!(),
+ DataType::Time32(_) => todo!(),
+ DataType::Time64(_) => todo!(),
+ DataType::Duration(_) => todo!(),
+ DataType::Interval(_) => todo!(),
+ DataType::Binary => todo!(),
+ DataType::FixedSizeBinary(_) => todo!(),
+ DataType::LargeBinary => todo!(),
+ DataType::BinaryView => todo!(),
+ DataType::Utf8 => todo!(),
+ DataType::LargeUtf8 => todo!(),
+ DataType::Utf8View => todo!(),
+ DataType::List(field_ref) => ScalarValue::List(Arc::new(
+ ListArray::new_null(Arc::clone(field_ref), 1),
+ )),
+ DataType::ListView(_) => todo!(),
+ DataType::FixedSizeList(_, _) => todo!(),
+ DataType::LargeList(field_ref) =>
ScalarValue::LargeList(Arc::new(
+ LargeListArray::new_null(Arc::clone(field_ref), 1),
+ )),
+ DataType::LargeListView(_) => todo!(),
+ DataType::Struct(_) => todo!(),
+ DataType::Union(_, _) => todo!(),
+ DataType::Dictionary(_, _) => todo!(),
+ DataType::Decimal128(_, _) => todo!(),
+ DataType::Decimal256(_, _) => todo!(),
+ DataType::Map(_, _) => todo!(),
+ DataType::RunEndEncoded(_, _) => todo!(),
+ };
Review Comment:
```rust
let null_value = ScalarValue::try_from(self.return_type.clone())?;
```
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