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https://issues.apache.org/jira/browse/IGNITE-13030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Plekhanov reassigned IGNITE-13030:
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Assignee: Aleksey Plekhanov
> Calcite integration. Push projections to scans and avoid reading full row
> when possible
> ---------------------------------------------------------------------------------------
>
> Key: IGNITE-13030
> URL: https://issues.apache.org/jira/browse/IGNITE-13030
> Project: Ignite
> Issue Type: Improvement
> Components: sql
> Reporter: Roman Kondakov
> Assignee: Aleksey Plekhanov
> Priority: Minor
> Labels: calcite2-required, calcite3-required
>
> We can establish index-only scans in some cases. For example, if the column
> {{depId}} is indexed (and totally inlined), we can to execute a query like:
> {code:java}
> SELECT depId FROM emp
> {code}
> and collects resultset without pagememory lookups.
>
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