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https://issues.apache.org/jira/browse/ASTERIXDB-2460?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16665518#comment-16665518
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Till commented on ASTERIXDB-2460:
---------------------------------
If all arguments are integer values the result of sum should be bigint.
If at least one argument is of a floating point type, the result should be
double.
> Sum does not calculate overflow correctly
> -----------------------------------------
>
> Key: ASTERIXDB-2460
> URL: https://issues.apache.org/jira/browse/ASTERIXDB-2460
> Project: Apache AsterixDB
> Issue Type: Bug
> Components: FUN - Functions
> Reporter: James Fang
> Assignee: Hussain Towaileb
> Priority: Major
>
> Overflow is not calculated correctly in the sum function.
> Query:
> array_sum( [ int8("48"), int8("48"), int8("48")]);
> Result:
> -112
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