[jira] [Updated] (IGNITE-13030) Calcite integration. Push projections to scans and avoid reading full row when possible

["Aleksey Plekhanov (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/IGNITE-13030?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Aleksey Plekhanov updated IGNITE-13030:
---------------------------------------
    Labels: calcite calcite3-required  (was: calcite2-required calcite3-required)

> 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: calcite, calcite3-required
>             Fix For: 2.15
>
>          Time Spent: 2h 20m
>  Remaining Estimate: 0h
>
> 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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