Github user jihoonson commented on a diff in the pull request:
https://github.com/apache/tajo/pull/890#discussion_r47456865
--- Diff:
tajo-common/src/test/java/org/apache/tajo/datum/TestIntervalDatum.java ---
@@ -122,8 +122,8 @@ public final void testOperation() throws Exception {
// date '2001-10-01' - integer '7' ==> date '2001-09-24'
datum = DatumFactory.createDate(2001, 10, 1);
- for (int i = 0; i < datums.length; i++) {
- Datum result2 = datum.minus(datums[i]);
+ for (Datum datum1 : datums) {
--- End diff --
Well, this is valid but it looks not a good convention. How about to change
```eachDatum```?
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