[jira] [Created] (IMPALA-9147) The E2E tests in min_max_filters.test do not exercise the code paths in min-max-filter.cc

["Fang-Yu Rao (Jira)" <ji...@apache.org>]

Fang-Yu Rao created IMPALA-9147:
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             Summary: The E2E tests in min_max_filters.test do not exercise the code paths in min-max-filter.cc 
                 Key: IMPALA-9147
                 URL: https://issues.apache.org/jira/browse/IMPALA-9147
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
            Reporter: Fang-Yu Rao
            Assignee: Fang-Yu Rao


The E2E tests in min_max_filters.test do not exercise the code paths in {{min-max-filter.cc}}. This could be verified by commenting out the return statement at [https://github.com/apache/impala/blob/master/be/src/util/min-max-filter.cc#L684], and then run the corresponding E2E tests defined in {{min_max_filters.test}}.

{code:java}
$IMPALA_HOME/bin/impala-py.test tests/query_test/test_runtime_filters.py::TestMinMaxFilters::test_min_max_filters
{code}

After commenting out that return statement in {{min-max-filter.cc}}, we expect to hit a DCHECK at https://github.com/apache/impala/blob/master/be/src/util/min-max-filter.cc#L698. But according to my observation we are not able to hit that DCHECK, implying that the test query at https://github.com/apache/impala/blob/master/testdata/workloads/functional-query/queries/QueryTest/min_max_filters.test#L48-L50 does not trigger the code paths within https://github.com/apache/impala/blob/master/be/src/util/min-max-filter.cc#L655-L699.

We hence need to improve these E2E tests so that the respective code paths are exercised.




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