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https://issues.apache.org/jira/browse/IMPALA-12798?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Riza Suminto resolved IMPALA-12798.
-----------------------------------
Fix Version/s: Impala 4.4.0
Target Version: Impala 4.4.0
Resolution: Fixed
> regr_intercept() might have inconsistant results on TIMESTAMP values
> --------------------------------------------------------------------
>
> Key: IMPALA-12798
> URL: https://issues.apache.org/jira/browse/IMPALA-12798
> Project: IMPALA
> Issue Type: Bug
> Components: Backend
> Reporter: Quanlong Huang
> Assignee: Pranav Yogi Lodha
> Priority: Major
> Fix For: Impala 4.4.0
>
>
> Found a test failure with below error messages:
> *Test*
> query_test.test_aggregation.TestAggregationQueries.test_aggregation[protocol:
> beeswax | exec_option: {'test_replan': 1, 'batch_size': 0, 'num_nodes': 0,
> 'disable_codegen_rows_threshold': 0, 'disable_codegen': False,
> 'abort_on_error': 1, 'exec_single_node_rows_threshold': 0} | table_format:
> seq/def/block]
> *Error Message*
> {code:java}
> query_test/test_aggregation.py:203: in test_aggregation
> self.run_test_case('QueryTest/aggregation', vector)
> common/impala_test_suite.py:815: in run_test_case
> self.__verify_results_and_errors(vector, test_section, result, use_db)
> common/impala_test_suite.py:625: in __verify_results_and_errors
> replace_filenames_with_placeholder) common/test_result_verifier.py:503: in
> verify_raw_results VERIFIER_MAP[verifier](expected, actual)
> common/test_result_verifier.py:312: in verify_query_result_is_equal assert
> expected_results == actual_results E assert Comparing QueryTestResults
> (expected vs actual): E 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 !=
> 0,0,0,0,0,0,2.384185791015625e-07
> {code}
> *Stacktrace*
> {code:java}
> query_test/test_aggregation.py:203: in test_aggregation
> self.run_test_case('QueryTest/aggregation', vector)
> common/impala_test_suite.py:815: in run_test_case
> self.__verify_results_and_errors(vector, test_section, result, use_db)
> common/impala_test_suite.py:625: in __verify_results_and_errors
> replace_filenames_with_placeholder)
> common/test_result_verifier.py:503: in verify_raw_results
> VERIFIER_MAP[verifier](expected, actual)
> common/test_result_verifier.py:312: in verify_query_result_is_equal
> assert expected_results == actual_results
> E assert Comparing QueryTestResults (expected vs actual):
> E 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0 != 0,0,0,0,0,0,2.384185791015625e-07
> {code}
> The query is
> {code:sql}
> select regr_intercept(tinyint_col, tinyint_col), regr_intercept(smallint_col,
> smallint_col),
> regr_intercept(int_col, int_col), regr_intercept(bigint_col, bigint_col),
> regr_intercept(float_col, float_col),
> regr_intercept(double_col, double_col), regr_intercept(timestamp_col,
> timestamp_col) from functional.alltypes;{code}
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