jatin510 commented on code in PR #14236:
URL: https://github.com/apache/datafusion/pull/14236#discussion_r1927082321
##########
datafusion/functions-nested/src/repeat.rs:
##########
@@ -124,19 +125,47 @@ impl ScalarUDFImpl for ArrayRepeat {
&self.aliases
}
+ fn coerce_types(&self, arg_types: &[DataType]) -> Result<Vec<DataType>> {
+ if arg_types.len() != 2 {
+ return exec_err!("array_repeat expects two arguments");
+ }
+
+ let element_type = &arg_types[0];
+ let first = element_type.clone();
+
+ let count_type = &arg_types[1];
+
+ // Coerce the second argument to Int64/UInt64 if it's a numeric type
+ let second = match count_type {
+ DataType::Int8 | DataType::Int16 | DataType::Int32 |
DataType::Int64 => {
Review Comment:
@korowa @alamb
converting negative numbers to UInt was giving: `arrow error, can't cast
negative number to Uint`.
So, converted the Int values to `Int64` .
Then using `array_repeat` inner function to convert `Int64` to `UInt64` type
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