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Posted to issues-all@impala.apache.org by "Csaba Ringhofer (Jira)" <ji...@apache.org> on 2022/02/11 13:48:00 UTC
[jira] [Updated] (IMPALA-11117) Count star doesn't use Parquet stats in VIEWs
[ https://issues.apache.org/jira/browse/IMPALA-11117?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Csaba Ringhofer updated IMPALA-11117:
-------------------------------------
Description:
explain select count(*) from tpch_parquet.lineitem
{code}
| 01:AGGREGATE |
| | output: sum_init_zero(tpch_parquet.lineitem.stats: num_rows) |
{code}
{code}
explain select count(*) from (select * from tpch_parquet.lineitem) s;
| 01:AGGREGATE |
| | output: count(*) |
{code}
was:
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(*) |
> 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
> Priority: Major
>
> explain select count(*) from tpch_parquet.lineitem
> {code}
> | 01:AGGREGATE |
> | | output: sum_init_zero(tpch_parquet.lineitem.stats: num_rows) |
> {code}
> {code}
> explain select count(*) from (select * from tpch_parquet.lineitem) s;
> | 01:AGGREGATE |
> | | output: count(*) |
> {code}
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