Dandandan commented on code in PR #5322:
URL: https://github.com/apache/arrow-datafusion/pull/5322#discussion_r1120208149
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datafusion/common/src/scalar.rs:
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@@ -1019,6 +1019,29 @@ impl ScalarValue {
Self::List(scalars, Box::new(Field::new("item", child_type, true)))
}
+ // Create a zero value in the given type.
+ pub fn new_zero(datatype: &DataType) -> Result<ScalarValue> {
+ assert!(datatype.is_primitive());
+ Ok(match datatype {
+ DataType::Boolean => ScalarValue::Boolean(Some(false)),
+ DataType::Int8 => ScalarValue::Int8(Some(0)),
+ DataType::Int16 => ScalarValue::Int16(Some(0)),
+ DataType::Int32 => ScalarValue::Int32(Some(0)),
+ DataType::Int64 => ScalarValue::Int64(Some(0)),
+ DataType::UInt8 => ScalarValue::UInt8(Some(0)),
+ DataType::UInt16 => ScalarValue::UInt16(Some(0)),
+ DataType::UInt32 => ScalarValue::UInt32(Some(0)),
+ DataType::UInt64 => ScalarValue::UInt64(Some(0)),
+ DataType::Float32 => ScalarValue::UInt64(Some(0)),
Review Comment:
This should be float32 and float64?
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