[IMPALA-11117] Count star doesn't use Parquet stats in VIEWs

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: Impala 4.0.0
• Component/s: Frontend
• Epic Color: ghx-label-6
• Assignee: Unassigned
• Reporter: Csaba Ringhofer
• Created: 11/Feb/22 13:47
• Updated: 11/Feb/22 13:48

Description

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(*)                                        |