vvysotskyi commented on a change in pull request #2009: DRILL-7622: Compilation 
error when using HLL / TDigest with group by
URL: https://github.com/apache/drill/pull/2009#discussion_r387160620
 
 

 ##########
 File path: exec/java-exec/src/test/java/org/apache/drill/TestBugFixes.java
 ##########
 @@ -316,4 +316,9 @@ public void testDRILL6318() throws Exception {
     rows = testSql("SELECT FLATTEN(data) AS d FROM cp.`jsoninput/bug6318.json` 
LIMIT 3 OFFSET 5");
     Assert.assertEquals(3, rows);
   }
+
+  @Test
+  public void testDRILL7622() throws Exception {
+    test("SELECT tdigest(p.col_int) FROM 
cp.`parquet/alltypes_required.parquet` p GROUP BY p.col_flt");
 
 Review comment:
   Please use `testBuilder()` to verify the correctness of the result.

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