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https://issues.apache.org/jira/browse/DRILL-3343?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Deneche A. Hakim closed DRILL-3343.
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Resolution: Invalid
> Seemingly incorrect result with SUM window functions and float data type
> ------------------------------------------------------------------------
>
> Key: DRILL-3343
> URL: https://issues.apache.org/jira/browse/DRILL-3343
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Data Types
> Affects Versions: 1.0.0
> Reporter: Victoria Markman
> Assignee: Deneche A. Hakim
> Priority: Critical
> Labels: window_function
> Fix For: 1.1.0
>
> Attachments: create_table.tar, queries.tar, voter_hive
>
>
> While running query below against voter_hive (drill table), where
> contributions field is defined as "float" (4 byte floating point number in
> drill) I get a value of SUM that is different from result generated by
> postgres.
> {code}
> select
> registration,
> age,
> name,
> sum(contributions) over w
> from voter_hive
> window w AS (partition by registration order by age rows unbounded preceding)
> order by
> registration,
> age,
> name;
> {code}
> Find attached:
> 1. Query + result generated by Postgres (queries.tar)
> 2. voter_hive parquet file
> 3. create_table.tar - contains CTAS statement + csv file (if you want to
> create table yourself)
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