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Posted to issues-all@impala.apache.org by "Abhishek Rawat (JIRA)" <ji...@apache.org> on 2019/06/27 18:54:00 UTC
[jira] [Created] (IMPALA-8721) Wrong result when Impala reads a
Hive written parquet TimeStamp column
Abhishek Rawat created IMPALA-8721:
--------------------------------------
Summary: Wrong result when Impala reads a Hive written parquet TimeStamp column
Key: IMPALA-8721
URL: https://issues.apache.org/jira/browse/IMPALA-8721
Project: IMPALA
Issue Type: Bug
Reporter: Abhishek Rawat
Fix For: Impala 3.3.0
Easy to repro on latest upstream:
{code:java}
hive> create table t1_hive(c1 timestamp) stored as parquet;
hive> insert into t1_hive values('2009-03-09 01:20:03.600000000');
hive> select * from t1_hive;
OK
2009-03-09 01:20:03.6
[localhost:21000] default> invalidate metadata t1_hive;
[localhost:21000] default> select * from t1_hive;
Query: select * from t1_hive
Query submitted at: 2019-06-24 09:55:36 (Coordinator: http://optimus-prime:25000)
Query progress can be monitored at: http://optimus-prime:25000/query_plan?query_id=b34f85cb5da29c26:d4dfcb2400000000
+-------------------------------+
| c1 |
+-------------------------------+
| 2009-03-09 09:20:03.600000000 | <<<<<UTC
+-------------------------------+
bin/start-impala-cluster.py --impalad_args='-convert_legacy_hive_parquet_utc_timestamps=true'
[localhost:21000] default> select * from t1_hive;
Query: select * from t1_hive
Query submitted at: 2019-06-24 10:00:22 (Coordinator: http://optimus-prime:25000)
Query progress can be monitored at: http://optimus-prime:25000/query_plan?query_id=d5428bb21fb259b9:7b10703400000000
+-------------------------------+
| c1 |
+-------------------------------+
| 2009-03-09 02:20:03.600000000 |. <<<<<<PST8PDT
+-------------------------------+
{code}
This issue is causing testcase test_hive_impala_interop to fail. Untill this issue is fixed, the testcase will be updated to not include a timestamp column. The test case should be updated to include a timestamp column once this issue is fixed.
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