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https://issues.apache.org/jira/browse/IGNITE-6415?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov resolved IGNITE-6415.
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Resolution: Won't Fix
Not relevant at the moment. Will reopen if needed.
> ALTER TABLE: investigate why descriptor is not updated from
> GridQueryProcessor#onLocalOperationFinished
> -------------------------------------------------------------------------------------------------------
>
> Key: IGNITE-6415
> URL: https://issues.apache.org/jira/browse/IGNITE-6415
> Project: Ignite
> Issue Type: Task
> Components: sql
> Affects Versions: 2.3
> Reporter: Vladimir Ozerov
> Priority: Major
>
> For {{CREATE INDEX}} and {{DROP INDEX}} our DDL engine works as follows:
> 1) Update H2 structures from DDL worker thread
> 2) Then update type descriptor from
> {{GridQueryProcessor#onLocalOperationFinished}}
> For some reason {{ALTER TABLE}} handled differently, and we first update
> descriptor, then update H2. See
> {{GridQueryProcessor#processSchemaOperationLocal}}.
> Two questions:
> 1) Why descriptor is updated before H2? In this case we may endup in
> inconsistent state if H2 failed for some reason
> 2) Why we decided not to follow {{CREATE/DROP INDEX}} approach?
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