[
https://issues.apache.org/jira/browse/IMPALA-15478?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]
Arnab Karmakar resolved IMPALA-15478.
-------------------------------------
Fix Version/s: Impala 5.0.0
Resolution: Fixed
> TestHBO.test_count_star_scan_cardinality failing on EC cluster
> --------------------------------------------------------------
>
> Key: IMPALA-15478
> URL: https://issues.apache.org/jira/browse/IMPALA-15478
> Project: IMPALA
> Issue Type: Bug
> Reporter: Arnab Karmakar
> Assignee: Aleksandr Efimov
> Priority: Major
> Fix For: Impala 5.0.0
>
>
> The TestHBO.test_count_star_scan_cardinality test is failing with the error
> “AssertionError: EXPLAIN output mismatch for QueryTest/hbo-count-star-scan”.
> Stack Trace:
> {code:java}
> query_test/test_hbo.py:248: in test_count_star_scan_cardinality
> self._run_hbo_explains('QueryTest/hbo-count-star-scan')
> self = <test_hbo.TestHBO object at 0x7f1e4dff3050>
> query_test/test_hbo.py:71: in _run_hbo_explains
> assert actual_cardinality_lines == expected_cardinality_lines, (
> E AssertionError: EXPLAIN output mismatch for QueryTest/hbo-count-star-scan.
> E Expected:
> E PLAN-ROOT SINK
> E |
> E 01:AGGREGATE [FINALIZE]
> E | output: sum_init_zero(tpch_parquet.orders.stats: num_rows)
> E | row-size=8B cardinality=1 (from HBO)
> E |
> E 00:SCAN HDFS [tpch_parquet.orders]
> E HDFS partitions=1/1 files=2 size=54.21MB
> E row-size=8B cardinality=2 (from HBO)
> E
> E
> E Actual:
> E PLAN-ROOT SINK
> E |
> E 01:AGGREGATE [FINALIZE]
> E | output: sum_init_zero(tpch_parquet.orders.stats: num_rows)
> E | row-size=8B cardinality=1 (from HBO)
> E |
> E 00:SCAN HDFS [tpch_parquet.orders]
> E HDFS partitions=1/1 files=1 size=53.93MB
> E erasure coded: files=1 size=53.93MB
> E row-size=8B cardinality=1 (from HBO)
> E assert ['| row-size...1 (from HBO)'] == ['| row-size...2 (from HBO)']
> E At index 1 diff: ' row-size=8B cardinality=1 (from HBO)' != '
> row-size=8B cardinality=2 (from HBO)'
> E Full diff:
> E [
> E '| row-size=8B cardinality=1 (from HBO)',
> E - ' row-size=8B cardinality=2 (from HBO)',
> E ? ^
> E + ' row-size=8B cardinality=1 (from HBO)',
> E ? ^
> E ]
> actual_cardinality_lines = ['| row-size=8B cardinality=1 (from
> HBO)', ' row-size=8B cardinality=1 (from HBO)']
> actual_plan_lines = ['PLAN-ROOT SINK', '|', '01:AGGREGATE
> [FINALIZE]', '| output: sum_init_zero(tpch_parquet.orders.stats: num_rows)',
> '| row-size=8B cardinality=1 (from HBO)', '|', ...]
> expected_cardinality_lines = ['| row-size=8B cardinality=1 (from
> HBO)', ' row-size=8B cardinality=2 (from HBO)']
> expected_plan_lines = ['PLAN-ROOT SINK', '|', '01:AGGREGATE
> [FINALIZE]', '| output: sum_init_zero(tpch_parquet.orders.stats: num_rows)',
> '| row-size=8B cardinality=1 (from HBO)', '|', ...]
> plan_section_name = 'PLAN'
> query = 'EXPLAIN SELECT count(*) FROM tpch_parquet.orders'
> result = <tests.common.impala_connection.ImpylaHS2ResultSet
> object at 0x7f1e4dff1e50>
> section = defaultdict(<class 'str'>, {'QUERY': 'EXPLAIN SELECT
> count(*) FROM tpch_parquet.orders\n', 'PLAN': 'PLAN-ROOT SINK\n|\...N HDFS
> [tpch_parquet.orders]\n HDFS partitions=1/1 files=2 size=54.21MB\n
> row-size=8B cardinality=2 (from HBO)\n'})
> self = <test_hbo.TestHBO object at 0x7f1e4dff3050>
> test_cases = [defaultdict(<class 'str'>, {'QUERY': 'EXPLAIN SELECT
> count(*) FROM tpch_parquet.orders\n', 'PLAN': 'PLAN-ROOT SINK\n|...00:SCAN
> HDFS [tpch_parquet.orders]\n HDFS partitions=1/1 files=2 size=54.21MB\n
> row-size=8B cardinality=1.50M\n'})]
> test_file = 'QueryTest/hbo-count-star-scan'{code}
>
> Stderr:
> {code:java}
> --------------------------------- Captured Err
> ---------------------------------
> -- 2026-10-03 19:18:33,786 INFO MainThread: hs2:
> set
> client_identifier=query_test/test_hbo.py::TestHBO::test_count_star_scan_cardinality;
> -- 2026-10-03 19:18:33,786 INFO MainThread: hs2-http:
> set
> client_identifier=query_test/test_hbo.py::TestHBO::test_count_star_scan_cardinality;
> -- 2026-10-03 19:18:33,787 INFO MainThread: hs2:
> set
> client_identifier=query_test/test_hbo.py::TestHBO::test_count_star_scan_cardinality;
> -- 2026-10-03 19:18:33,787 INFO MainThread: hs2: set_configuration:
> set use_hbo_stats=True;
> set store_hbo_stats=True;
> -- 2026-10-03 19:18:33,787 INFO MainThread: hs2: executing against Impala
> at localhost:21050. session: 754da1b023347afe:8421a686b13cd98b main_cursor:
> True user: None
> SELECT count(*) FROM tpch_parquet.orders;
> -- 2026-10-03 19:18:33,795 INFO MainThread:
> 9b460d6db5f345db:d7763eca00000000: query started
> -- 2026-10-03 19:18:33,797 INFO MainThread:
> 9b460d6db5f345db:d7763eca00000000: getting log for operation
> -- 2026-10-03 19:18:33,797 INFO MainThread:
> 9b460d6db5f345db:d7763eca00000000: getting runtime profile operation
> -- 2026-10-03 19:18:33,798 INFO MainThread:
> 9b460d6db5f345db:d7763eca00000000: closing query for operation
> -- 2026-10-03 19:18:34,801 INFO MainThread: Loading query test file:
> /data/jenkins/workspace/impala-asf-master-core-erasure-coding/repos/Impala/testdata/workloads/functional-query/queries/QueryTest/hbo-count-star-scan.test
> -- 2026-10-03 19:18:34,807 INFO MainThread: hs2:
> set
> client_identifier=query_test/test_hbo.py::TestHBO::test_count_star_scan_cardinality;
> -- 2026-10-03 19:18:34,807 INFO MainThread: hs2: set_configuration:
> set use_hbo_stats=True;
> -- 2026-10-03 19:18:34,807 INFO MainThread: hs2: executing against Impala
> at localhost:21050. session: 754da1b023347afe:8421a686b13cd98b main_cursor:
> True user: None
> EXPLAIN SELECT count(*) FROM tpch_parquet.orders;
> -- 2026-10-03 19:18:34,846 INFO MainThread:
> d74ff74451122076:5a8d0d3e00000000: query started
> -- 2026-10-03 19:18:34,847 INFO MainThread:
> d74ff74451122076:5a8d0d3e00000000: getting log for operation
> -- 2026-10-03 19:18:34,847 INFO MainThread:
> d74ff74451122076:5a8d0d3e00000000: getting runtime profile operation
> -- 2026-10-03 19:18:34,847 INFO MainThread:
> d74ff74451122076:5a8d0d3e00000000: closing query for operation{code}
>
--
This message was sent by Atlassian Jira
(v8.20.10#820010)
