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https://issues.apache.org/jira/browse/HIVE-22003?focusedWorklogId=280686&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-280686
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ASF GitHub Bot logged work on HIVE-22003:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 22/Jul/19 23:07
Start Date: 22/Jul/19 23:07
Worklog Time Spent: 10m
Work Description: jcamachor commented on pull request #729: HIVE-22003
URL: https://github.com/apache/hive/pull/729#discussion_r306069305
##########
File path:
ql/src/test/results/clientpositive/perf/tez/constraints/query32.q.out
##########
@@ -115,7 +115,7 @@ Stage-0
Select Operator [SEL_114] (rows=285116600
width=119)
Output:["_col0","_col1","_col2"]
Filter Operator [FIL_112] (rows=285116600
width=119)
- predicate:(cs_ext_discount_amt is not null
and cs_sold_date_sk is not null)
+ predicate:(cs_ext_discount_amt is not null
and cs_sold_date_sk is not null and cs_item_sk BETWEEN
DynamicValue(RS_28_item_i_item_sk_min) AND
DynamicValue(RS_28_item_i_item_sk_max) and in_bloom_filter(cs_item_sk,
DynamicValue(RS_28_item_i_item_sk_bloom_filter)))
Review comment:
That the SJ is not there will not lead to incorrect results, but can lead to
a performance penalty.
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Issue Time Tracking
-------------------
Worklog Id: (was: 280686)
Time Spent: 0.5h (was: 20m)
> Shared work optimizer may leave semijoin branches in plan that are not used
> ---------------------------------------------------------------------------
>
> Key: HIVE-22003
> URL: https://issues.apache.org/jira/browse/HIVE-22003
> Project: Hive
> Issue Type: Bug
> Components: Physical Optimizer
> Reporter: Jesus Camacho Rodriguez
> Assignee: Jesus Camacho Rodriguez
> Priority: Major
> Labels: pull-request-available
> Attachments: HIVE-22003.01.patch, HIVE-22003.01.patch,
> HIVE-22003.patch
>
> Time Spent: 0.5h
> Remaining Estimate: 0h
>
> This may happen only when the TS are the only operators that are shared.
> Repro attached in q file.
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