julianhyde commented on code in PR #3263:
URL: https://github.com/apache/calcite/pull/3263#discussion_r1232918799
##########
core/src/main/java/org/apache/calcite/runtime/SqlFunctions.java:
##########
@@ -3883,6 +3883,59 @@ private static AtomicLong getAtomicLong(String key) {
return atomic;
}
+ /** Support the ARRAYS_OVERLAP function. */
+ public static @Nullable Boolean arraysOverlap(List list1, List list2) {
+ final List bigger = list1.size() > list2.size() ? list1 : list2;
+ final List smaller = list1.size() > list2.size() ? list2 : list1;
+ boolean hasNull = false;
Review Comment:
Also,
```
final Set smallestSet = new HashSet(smaller);
hasNull = smallestSet.remove(null);
```
is probably more efficient because it allows the set to right-size the table.
--
This is an automated message from the Apache Git Service.
To respond to the message, please log on to GitHub and use the
URL above to go to the specific comment.
To unsubscribe, e-mail: [email protected]
For queries about this service, please contact Infrastructure at:
[email protected]
