[jira] [Assigned] (DRILL-7414) EVF incorrectly sets buffer writer index after rollover

["Arina Ielchiieva (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/DRILL-7414?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Arina Ielchiieva reassigned DRILL-7414:
---------------------------------------

    Assignee: Arina Ielchiieva  (was: Paul Rogers)

> EVF incorrectly sets buffer writer index after rollover
> -------------------------------------------------------
>
>                 Key: DRILL-7414
>                 URL: https://issues.apache.org/jira/browse/DRILL-7414
>             Project: Apache Drill
>          Issue Type: Bug
>            Reporter: Paul Rogers
>            Assignee: Arina Ielchiieva
>            Priority: Minor
>
> A full test run, with vector validation enabled and with the "new" scan enabled,  revealed the following in {{TestMockPlugin.testSizeLimit()}}:
> {noformat}
> comments_s20000 - VarCharVector: Row count = 838, but value count = 839
> {noformat}
> Adding vector validation to the result set loader overflow tests reveals that the problem is in overflow. In {{TestResultSetLoaderOverflow.testOverflowWithNullables()}}:
> {noformat}
> a - RepeatedIntVector: Row count = 2952, but value count = 2953
> b - RepeatedVarCharVector: Row count = 2952, but value count = 2953
> b - RepeatedVarCharVector: Vector has 2953 values, but offset vector labels 32472 values
> c - RepeatedIntVector: Row count = 2952, but value count = 2953
> d - RepeatedIntVector: Row count = 2952, but value count = 2953
> {noformat}
> The problem is that EVF incorrectly sets the offset buffer writer index after a rollover.



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