snuyanzin commented on code in PR #28155:
URL: https://github.com/apache/flink/pull/28155#discussion_r3236714801
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flink-table/flink-table-planner/src/test/java/org/apache/flink/table/planner/functions/CollectionFunctionsITCase.java:
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@@ -1602,6 +1603,47 @@ private Stream<TestSetSpec> arraySortTestCases() {
DataTypes.ARRAY(DataTypes.DATE())));
}
+ private Stream<TestSetSpec> arraySortBigIntDuplicatesTestCases() {
+ final int size = 64;
+ Long[] allEqual = new Long[size];
+ java.util.Arrays.fill(allEqual, 42L);
+
+ Long[] manyDuplicates = new Long[size];
+ for (int i = 0; i < size; i++) {
+ manyDuplicates[i] = (long) (i % 4);
+ }
+ Long[] manyDuplicatesSortedAsc = manyDuplicates.clone();
+ java.util.Arrays.sort(manyDuplicatesSortedAsc);
+ Long[] manyDuplicatesSortedDesc = manyDuplicatesSortedAsc.clone();
+ for (int i = 0, j = size - 1; i < j; i++, j--) {
+ Long tmp = manyDuplicatesSortedDesc[i];
+ manyDuplicatesSortedDesc[i] = manyDuplicatesSortedDesc[j];
+ manyDuplicatesSortedDesc[j] = tmp;
+ }
Review Comment:
Can we just use `ArrayUtils.reverse()`?
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