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https://issues.apache.org/jira/browse/IGNITE-14593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17360764#comment-17360764
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Aleksey Plekhanov commented on IGNITE-14593:
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Also, the current H2-based SQL engine supports the "!=" operator, and by
supporting it in the calcite-based SQL engine we can minimize compatibility
issues.
To support "!=" we should override {{SqlConformance.isBangEqualAllowed}} method.
> Calcite. Support not equal expression.
> --------------------------------------
>
> Key: IGNITE-14593
> URL: https://issues.apache.org/jira/browse/IGNITE-14593
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Stanilovsky Evgeny
> Priority: Major
> Labels: calcite
>
> Looks like it would be helpful to support "!=" syntax, i.e. :
> {code:java}
> UPDATE test SET a=7 WHERE id != 3
> {code}
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