izveigor commented on code in PR #6384:
URL: https://github.com/apache/arrow-datafusion/pull/6384#discussion_r1209543952
##########
datafusion/expr/src/function.rs:
##########
@@ -322,10 +404,21 @@ pub fn signature(fun: &BuiltinScalarFunction) ->
Signature {
// for now, the list is small, as we do not have many built-in functions.
match fun {
- BuiltinScalarFunction::MakeArray => Signature::variadic(
- array_expressions::SUPPORTED_ARRAY_TYPES.to_vec(),
- fun.volatility(),
- ),
+ BuiltinScalarFunction::ArrayAppend => Signature::any(2,
fun.volatility()),
Review Comment:
Are there ways to use List and ARRAY_DATATYPES?
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