[jira] [Created] (IMPALA-8343) TestParquetArrayEncodings parquet-ambiguous-list-modern.test failure

["Sahil Takiar (JIRA)" <ji...@apache.org>]

Sahil Takiar created IMPALA-8343:
------------------------------------

             Summary: TestParquetArrayEncodings parquet-ambiguous-list-modern.test failure
                 Key: IMPALA-8343
                 URL: https://issues.apache.org/jira/browse/IMPALA-8343
             Project: IMPALA
          Issue Type: Bug
          Components: Backend
            Reporter: Sahil Takiar


The following query block in {{parquet-ambiguous-list-modern.test}} failed:

{code}
---- QUERY
# 'f21' does not resolve with the 2-level encoding because it matches
# a Parquet group in the schema.
set parquet_fallback_schema_resolution=position;
set parquet_array_resolution=two_level;
select s2.f21 from ambig_modern.ambigarray;
---- RESULTS
---- CATCH
has an incompatible Parquet schema
---- TYPES
int
{code}

With the error:

{code}
query_test/test_nested_types.py:556: in test_ambiguous_list
    vector, unique_database)
common/impala_test_suite.py:415: in run_test_case
    assert False, "Expected exception: %s" % expected_str
E   AssertionError: Expected exception: has an incompatible Parquet schema
{code}

The full pytest configuration was:

{code}
query_test.test_nested_types.TestParquetArrayEncodings.test_ambiguous_list[exec_option: {'batch_size': 0, 'num_nodes': 0, 'disable_codegen_rows_threshold': 0, 'disable_codegen': True, 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format: parquet/none]
{code}

Seen once on centos 6.



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