liuyongvs commented on code in PR #3260:
URL: https://github.com/apache/calcite/pull/3260#discussion_r1225698063
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -3931,6 +3939,34 @@ public static List distinct(List list) {
return min;
}
Review Comment:
comments:
it can not use
```
public static List arrayAppend(List list, Object element) {
list.add
return list;
}
```
because it will throw exception
java.lang.UnsupportedOperationException
at java.util.AbstractList.add(AbstractList.java:148)
at java.util.AbstractList.add(AbstractList.java:108)
at
org.apache.calcite.runtime.SqlFunctions.arrayAppend(SqlFunctions.java:3899)
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