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https://issues.apache.org/jira/browse/IGNITE-20599?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Mirza Aliev updated IGNITE-20599:
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Summary: Implement a 'NOT_TOMBSTONE' operation in the meta storage dsl.
(was: Implement a 'not' operation in the meta storage dsl.)
> Implement a 'NOT_TOMBSTONE' operation in the meta storage dsl.
> --------------------------------------------------------------
>
> Key: IGNITE-20599
> URL: https://issues.apache.org/jira/browse/IGNITE-20599
> Project: Ignite
> Issue Type: Improvement
> Reporter: Sergey Uttsel
> Priority: Major
> Labels: ignite-3
>
> *Motivation*
> In https://issues.apache.org/jira/browse/IGNITE-20561 we need to create a
> condition for a ms invoke with negation. We could do this two ways:
> {code:java}
> and(
> notExists(dataNodes(zoneId)),
> notTombstone(dataNodes(zoneId))
> ){code}
> or
> {code:java}
> not(
> or(
> exists(dataNodes(zoneId)),
> tombstone(dataNodes(zoneId))
> )
> ){code}
> But there are no `notTombstone` or `not` methods in the meta storage dsl.
>
> I propose to implement `not` operation because it is more general approach
> and it can be reused with other conditions.
> *Definition of done*
> `not` operation is implemented.
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