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https://issues.apache.org/jira/browse/HIVE-21641?focusedWorklogId=443180&page=com.atlassian.jira.plugin.system.issuetabpanels:worklog-tabpanel#worklog-443180
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ASF GitHub Bot logged work on HIVE-21641:
-----------------------------------------
Author: ASF GitHub Bot
Created on: 09/Jun/20 16:38
Start Date: 09/Jun/20 16:38
Worklog Time Spent: 10m
Work Description: github-actions[bot] commented on pull request #601:
URL: https://github.com/apache/hive/pull/601#issuecomment-641143632
This pull request has been automatically marked as stale because it has not
had recent activity. It will be closed if no further activity occurs.
Feel free to reach out on the [email protected] list if the patch is in
need of reviews.
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Issue Time Tracking
-------------------
Worklog Id: (was: 443180)
Time Spent: 20m (was: 10m)
> Llap external client returns decimal columns in different precision/scale as
> compared to beeline
> ------------------------------------------------------------------------------------------------
>
> Key: HIVE-21641
> URL: https://issues.apache.org/jira/browse/HIVE-21641
> Project: Hive
> Issue Type: Bug
> Components: llap
> Affects Versions: 3.1.1
> Reporter: Shubham Chaurasia
> Assignee: Shubham Chaurasia
> Priority: Major
> Labels: Branch3Candidate, pull-request-available
> Fix For: 4.0.0
>
> Attachments: HIVE-21641.1.patch, HIVE-21641.2.patch,
> HIVE-21641.3.patch, HIVE-21641.4.patch, HIVE-21641.5.branch-3.patch
>
> Time Spent: 20m
> Remaining Estimate: 0h
>
> Llap external client gives different precision/scale as compared to when the
> query is executed beeline. Consider the following results:
> Query:
> {code}
> select avg(ss_ext_sales_price) my_avg from store_sales;
> {code}
> Result from Beeline
> {code}
> +----------------------------+
> | my_avg |
> +----------------------------+
> | 37.8923531030581611189434 |
> +----------------------------+
> {code}
> Result from Llap external client
> {code}
> +---------+
> | my_avg|
> +---------+
> |37.892353|
> +---------+
> {code}
>
> This is due to Driver(beeline path) calls
> [analyzeInternal()|https://github.com/apache/hive/blob/rel/release-3.1.1/ql/src/java/org/apache/hadoop/hive/ql/parse/CalcitePlanner.java#L328]
> for getting result set schema which initializes
> [resultSchema|https://github.com/apache/hive/blob/rel/release-3.1.1/ql/src/java/org/apache/hadoop/hive/ql/parse/SemanticAnalyzer.java#L333]
> after some more transformations as compared to llap-ext-client which calls
> [genLogicalPlan()|https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/parse/ParseUtils.java#L561]
> Replacing {{genLogicalPlan()}} by {{analyze()}} resolves this.
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