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https://issues.apache.org/jira/browse/CARBONDATA-3720?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jacky Li resolved CARBONDATA-3720.
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Resolution: Fixed
> Support new optimized insert flow for Alter table scenarios
> -----------------------------------------------------------
>
> Key: CARBONDATA-3720
> URL: https://issues.apache.org/jira/browse/CARBONDATA-3720
> Project: CarbonData
> Issue Type: Sub-task
> Reporter: Ajantha Bhat
> Assignee: Ajantha Bhat
> Priority: Major
> Fix For: 2.0.0
>
> Time Spent: 2h 10m
> Remaining Estimate: 0h
>
> Currently, the rearrange logic is based on schema ordinal.
> For alter table drop and add columns, schema ordinal based re arrange may not
> work as index will be outside the projection size.
> Hence don't use schema ordinal for rerrange, implemented a position map based
> rearrange.
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