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https://issues.apache.org/jira/browse/IMPALA-12527?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tamas Mate resolved IMPALA-12527.
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Fix Version/s: Impala 4.4.0
Resolution: Fixed
> test_metadata_tables could occasionally fail in the s3 build
> ------------------------------------------------------------
>
> Key: IMPALA-12527
> URL: https://issues.apache.org/jira/browse/IMPALA-12527
> Project: IMPALA
> Issue Type: Sub-task
> Reporter: Fang-Yu Rao
> Assignee: Tamas Mate
> Priority: Major
> Labels: broken-build, flaky-test, impala-iceberg
> Fix For: Impala 4.4.0
>
>
> We found that
> [test_metadata_tables()|https://github.infra.cloudera.com/CDH/Impala/blame/cdw-master-staging/tests/query_test/test_iceberg.py#L1219]
> that runs
> [iceberg-metadata-tables.test|https://github.com/apache/impala/blob/master/testdata/workloads/functional-query/queries/QueryTest/iceberg-metadata-tables.test]
> could occasionally fail with the following error message.
> It looks like the actual result does not match the expected result for some
> columns.
> Stacktrace
> {code}
> query_test/test_iceberg.py:1226: in test_metadata_tables
> '$OVERWRITE_SNAPSHOT_TS': str(overwrite_snapshot_ts.data[0])})
> common/impala_test_suite.py:751: in run_test_case
> self.__verify_results_and_errors(vector, test_section, result, use_db)
> common/impala_test_suite.py:587: in __verify_results_and_errors
> replace_filenames_with_placeholder)
> common/test_result_verifier.py:487: in verify_raw_results
> VERIFIER_MAP[verifier](expected, actual)
> common/test_result_verifier.py:296: in verify_query_result_is_equal
> assert expected_results == actual_results
> E assert Comparing QueryTestResults (expected vs actual):
> E
> row_regex:0,'s3a://impala-test-uswest2-2/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/.*.parq','PARQUET',0,1,[1-9]\d*|0,'',0
> !=
> 0,'/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/7d479ffb82bfffd3-7ce667e500000000_544607964_data.0.parq','PARQUET',0,1,351,'NULL',0
> E
> row_regex:0,'s3a://impala-test-uswest2-2/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/.*.parq','PARQUET',0,1,[1-9]\d*|0,'',0
> !=
> 0,'/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/ab4ffd0d75a5a68d-13da083100000000_1541521750_data.0.parq','PARQUET',0,1,351,'NULL',0
> E
> row_regex:0,'s3a://impala-test-uswest2-2/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/.*.parq','PARQUET',0,1,[1-9]\d*|0,'',0
> !=
> 0,'/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/b04d1095845359f5-f0799bd000000000_1209897284_data.0.parq','PARQUET',0,1,351,'NULL',0
> E
> row_regex:1,'s3a://impala-test-uswest2-2/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/.*.parq','PARQUET',0,1,[1-9]\d*|0,'NULL',NULL
> !=
> 1,'/test-warehouse/iceberg_test/hadoop_catalog/ice/iceberg_query_metadata/data/delete-1b45db885b2bdd56-4023218d00000002_1697110314_data.0.parq','PARQUET',0,1,1531,'NULL',NULL
> {code}
> Specifically, it seems the value of the second last column are different from
> the expected value in some rows.
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