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https://issues.apache.org/jira/browse/IGNITE-18055?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Andrey Mashenkov resolved IGNITE-18055.
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Resolution: Duplicate
> Sql. Support index scans with NULL conditions.
> ----------------------------------------------
>
> Key: IGNITE-18055
> URL: https://issues.apache.org/jira/browse/IGNITE-18055
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Andrey Mashenkov
> Priority: Major
> Labels: ignite-3
>
> Query {{SELECT * FROM T1 WHERE val IS NULL}} look fine, but next cases has to
> be fixed.
> * {{SELECT * FROM T1 WHERE val IS NOT NULL}} - returns nothing.
> * {{SELECT * FROM T1 WHERE (val <= 5) or (val IS NULL)}} - returns duplicate
> rows.
> Startpoint is ItSecondaryIndexTest.
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