Github user jinfengni commented on a diff in the pull request:
https://github.com/apache/drill/pull/423#discussion_r55625819
--- Diff:
exec/java-exec/src/test/java/org/apache/drill/exec/fn/impl/TestAggregateFunctions.java
---
@@ -460,4 +466,23 @@ public void testGroupBySystemFuncFileSystemTable()
throws Exception {
public void test4443() throws Exception {
test("SELECT MIN(columns[1]) FROM dfs_test.`%s/agg/4443.csv` GROUP BY
columns[0]", TEST_RES_PATH);
}
+
+ @Test
+ public void testCountStarRequired() throws Exception {
+ final String query = "select count(*) as col from
cp.`tpch/region.parquet` limit 0";
--- End diff --
this does not have to be used with "limit 0", right? can you add one more
case without using "limit 0"?
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