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