comphead commented on code in PR #8744:
URL: https://github.com/apache/arrow-datafusion/pull/8744#discussion_r1444074085
##########
datafusion/physical-expr/src/array_expressions.rs:
##########
@@ -2560,6 +2562,101 @@ pub fn array_distinct(args: &[ArrayRef]) ->
Result<ArrayRef> {
}
}
+pub fn array_resize(arg: &[ArrayRef]) -> Result<ArrayRef> {
+ if arg.len() < 2 || arg.len() > 3 {
+ return exec_err!("array_resize needs two or three arguments");
+ }
+
+ let new_len = as_int64_array(&arg[1])?;
+ let new_element = if arg.len() == 3 {
+ Some(arg[2].clone())
+ } else {
+ None
+ };
+
+ match &arg[0].data_type() {
+ DataType::List(field) => {
+ let array = as_list_array(&arg[0])?;
+ general_list_resize::<i32>(array, new_len, field, new_element)
+ }
+ DataType::LargeList(field) => {
+ let array = as_large_list_array(&arg[0])?;
+ general_list_resize::<i64>(array, new_len, field, new_element)
+ }
+ _ => exec_err!("array_resize only support list array"),
Review Comment:
```suggestion
_ => exec_err!("array_resize only support LIST datatype"),
```
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