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https://issues.apache.org/jira/browse/HIVE-13811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15990336#comment-15990336
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Remus Rusanu commented on HIVE-13811:
-------------------------------------
Original plant (before HIVE-13608):
{noformat}
Stage: Stage-0
Fetch Operator
limit: -1
Processor Tree:
- TableScan
- alias: srcpart
- filterExpr: (UDFToDouble(key) < 10.0) (type: boolean)
- Statistics: Num rows: 500 Data size: 5312 Basic stats: COMPLETE
Column stats: NONE
- Filter Operator
- predicate: (UDFToDouble(key) < 10.0) (type: boolean)
- Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE
Column stats: NONE
- Select Operator
- expressions: key (type: string), value (type: string),
'2008-04-09' (type: string), hr (type: string)
- outputColumnNames: _col0, _col1, _col2, _col3
- Statistics: Num rows: 166 Data size: 1763 Basic stats: COMPLETE
Column stats: NONE
- ListSink
{noformat}
> Constant not removed in index_auto_unused.q.out
> -----------------------------------------------
>
> Key: HIVE-13811
> URL: https://issues.apache.org/jira/browse/HIVE-13811
> Project: Hive
> Issue Type: Sub-task
> Components: CBO
> Affects Versions: 2.1.0
> Reporter: Jesus Camacho Rodriguez
> Assignee: Remus Rusanu
>
> Follow-up on HIVE-13068.
> In test file ql/src/test/results/clientpositive/index_auto_unused.q.out.
> After HIVE-13068 goes in, the following filter is not folded after
> PartitionPruning is done:
> {{filterExpr: ((ds = '2008-04-09') and (12.0 = 12.0) and (UDFToDouble(key) <
> 10.0)) (type: boolean)}}
> Further, SimpleFetchOptimizer got disabled.
> All this needs further investigation.
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