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From "Hanifi Gunes (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (DRILL-2611) Value vectors report invalid value count
Date Mon, 13 Apr 2015 23:02:12 GMT

     [ https://issues.apache.org/jira/browse/DRILL-2611?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Hanifi Gunes updated DRILL-2611:
    Assignee: Mehant Baid  (was: Hanifi Gunes)

> Value vectors report invalid value count
> ----------------------------------------
>                 Key: DRILL-2611
>                 URL: https://issues.apache.org/jira/browse/DRILL-2611
>             Project: Apache Drill
>          Issue Type: Bug
>          Components: Execution - Data Types
>            Reporter: Hanifi Gunes
>            Assignee: Mehant Baid
>            Priority: Critical
>             Fix For: 0.9.0
> We maintain an exclusive value count variable in fixed vectors however we don't update
it upon calling set/Safe. Accessor reports the value count from the variable ignoring values
that are already in the buffer or written via set/Safe. This causes execution failures manifested
as IOOB when underlying data is sparse. We should either remove the variable and report value
count directly investigating the buffer if not computationally expensive or update the variable
each time we make a write to the vector.

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