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https://issues.apache.org/jira/browse/IGNITE-13022?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Aleksey Plekhanov updated IGNITE-13022:
---------------------------------------
Labels: calcite calcite3-required (was: calcite2-required
calcite3-required)
> Calcite integration. Merge index conditions for the same field.
> ---------------------------------------------------------------
>
> Key: IGNITE-13022
> URL: https://issues.apache.org/jira/browse/IGNITE-13022
> 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: 20m
> Remaining Estimate: 0h
>
> Index scans should be able to merge index conditions. For example query
> {code:java}
> SELECT * FROM tbl WHERE a<5 AND a<10
> {code}
> should be reduced to
>
> {code:java}
> SELECT * FROM tbl WHERE a<5
> {code}
> Parameters should be handled in a more tricky way:
> {code:java}
> SELECT * FROM tbl WHERE a<?1 AND a<?2
> {code}
> can be rewritten as
> {code:java}
> SELECT * FROM tbl WHERE a<MIN(?1, ?2){code}
> where the expression {{MIN(?1, ?2)}} should be evaluated right before the
> execution when parameters are known.
>
>
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