jayzhan211 commented on code in PR #7897:
URL: https://github.com/apache/arrow-datafusion/pull/7897#discussion_r1373058691
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datafusion/physical-expr/src/array_expressions.rs:
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@@ -1478,6 +1478,28 @@ macro_rules! to_string {
}};
}
+
+/// Array_union SQL function
+pub fn array_union(args: &[ArrayRef]) -> Result<ArrayRef> {
+ let array1 = &args[0];
+ let array2= &args[1];
+
+ check_datatypes("array_union", &[array1, array2])?;
+ let list1 = as_list_array(array1)?;
Review Comment:
arrow::compute::concat can concat arbitrary arrays.
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