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https://issues.apache.org/jira/browse/DRILL-6232?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Pritesh Maker updated DRILL-6232:
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Fix Version/s: (was: 1.14.0)
> Vector initializer used for memory allocation in external sort is subject to
> aliasing
> -------------------------------------------------------------------------------------
>
> Key: DRILL-6232
> URL: https://issues.apache.org/jira/browse/DRILL-6232
> Project: Apache Drill
> Issue Type: Bug
> Components: Execution - Flow
> Affects Versions: 1.13.0
> Reporter: Padma Penumarthy
> Assignee: Padma Penumarthy
> Priority: Critical
>
> vector initializer class builds hints for individual columns and saves them
> in a map with lookup key of column name. For children of map columns, this
> name will be parent name + "." + child column name. This can cause problem
> when we have dots in column names i.e. {{a.b(c) and a(b.c) will have the same
> key and can cause overwrites of each other values. Change this to use
> allocation routines in column size which do not have this problem. }}
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