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From "Lars Volker (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (IMPALA-5048) Change integer types for number of rows / tuples and memory sizes to 64bit
Date Wed, 15 Mar 2017 20:34:41 GMT

     [ https://issues.apache.org/jira/browse/IMPALA-5048?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Lars Volker reassigned IMPALA-5048:
-----------------------------------

    Assignee: Lars Volker

> Change integer types for number of rows / tuples and memory sizes to 64bit
> --------------------------------------------------------------------------
>
>                 Key: IMPALA-5048
>                 URL: https://issues.apache.org/jira/browse/IMPALA-5048
>             Project: IMPALA
>          Issue Type: Bug
>          Components: Backend
>    Affects Versions: Impala 2.9.0
>            Reporter: Lars Volker
>            Assignee: Lars Volker
>
> We recently found several issues with integer overflows: IMPALA-4995, IMPALA-4997, IMPALA-5021.
To reduce the likelihood of similar issues we should make sure that all variables which store
either a number of rows, number of tuples, or a number of bytes are of type int64_t.
> Here are some useful commands to find candidates:
> {noformat}
> git grep -E "^ +int(|32_t) .*row"
> git grep -E "^ +int(|32_t) .*tuple"
> git grep -E "^ +int(|32_t) .*num_"
> git grep -E "^ +int(|32_t) .*bytes"
> {noformat}



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