gianm commented on a change in pull request #8775: Fix NPE for subquery with
limit
URL: https://github.com/apache/incubator-druid/pull/8775#discussion_r341271916
##########
File path:
sql/src/test/java/org/apache/druid/sql/calcite/http/SqlResourceTest.java
##########
@@ -671,6 +671,46 @@ public void testResourceLimitExceeded() throws Exception
checkSqlRequestLog(false);
}
+ @Test
+ public void testSubQueryWithLimit() throws Exception
+ {
+ final List<Map<String, Object>> rows = doPost(
+ new SqlQuery(
+ "SELECT COUNT(*) AS cnt FROM ( SELECT * FROM ( SELECT * FROM
druid.foo LIMIT 10 ) tmpA ) tmpB",
+ null,
+ false,
+ null
+ )
+ ).rhs;
+
+ Assert.assertEquals(
+ ImmutableList.of(),
+ rows
+ );
+ checkSqlRequestLog(true);
+ }
+
+ @Test
+ public void testSubQueryWithoutLimit() throws Exception
Review comment:
Could you move these tests into `CalciteQueryTest` please? Its `testQuery`
method provides a nice way to test this stuff, including testing that it plans
into an appropriate native query.
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