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Posted to issues@impala.apache.org by "Csaba Ringhofer (Jira)" <ji...@apache.org> on 2022/02/11 13:48:00 UTC
[jira] [Created] (IMPALA-11117) Count star doesn't use Parquet stats in VIEWs
Csaba Ringhofer created IMPALA-11117:
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Summary: Count star doesn't use Parquet stats in VIEWs
Key: IMPALA-11117
URL: https://issues.apache.org/jira/browse/IMPALA-11117
Project: IMPALA
Issue Type: Bug
Components: Frontend
Affects Versions: Impala 4.0.0
Reporter: Csaba Ringhofer
explain select count(*) from tpch_parquet.lineitem
| 01:AGGREGATE |
| | output: sum_init_zero(tpch_parquet.lineitem.stats: num_rows) |
explain select count(*) from (select * from tpch_parquet.lineitem) s;
| 01:AGGREGATE |
| | output: count(*) |
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