alamb commented on code in PR #8269:
URL: https://github.com/apache/arrow-datafusion/pull/8269#discussion_r1401128663
##########
datafusion/expr/src/built_in_function.rs:
##########
@@ -599,12 +599,24 @@ impl BuiltinScalarFunction {
BuiltinScalarFunction::ArrayReplaceAll =>
Ok(input_expr_types[0].clone()),
BuiltinScalarFunction::ArraySlice =>
Ok(input_expr_types[0].clone()),
BuiltinScalarFunction::ArrayToString => Ok(Utf8),
- BuiltinScalarFunction::ArrayIntersect =>
Ok(input_expr_types[0].clone()),
- BuiltinScalarFunction::ArrayUnion =>
Ok(input_expr_types[0].clone()),
+ BuiltinScalarFunction::ArrayUnion |
BuiltinScalarFunction::ArrayIntersect => {
+ match (input_expr_types[0].clone(),
input_expr_types[1].clone()) {
Review Comment:
yes!
##########
datafusion/sqllogictest/test_files/aggregate.slt:
##########
@@ -1396,7 +1396,7 @@ SELECT COUNT(DISTINCT c1) FROM test
query ?
SELECT ARRAY_AGG([])
----
-[]
+[[]]
Review Comment:
👍
##########
datafusion/sqllogictest/test_files/aggregate.slt:
##########
@@ -1396,7 +1396,7 @@ SELECT COUNT(DISTINCT c1) FROM test
query ?
SELECT ARRAY_AGG([])
----
-[]
+[[]]
Review Comment:
👍
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