[jira] [Updated] (DRILL-2611) Fixed length value vectors report invalid value count

["Parth Chandra (JIRA)" <ji...@apache.org>]

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

Parth Chandra updated DRILL-2611:
---------------------------------
    Component/s: Execution - Data Types

> Fixed length 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: Hanifi Gunes
>             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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