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From "Vladimir Ozerov (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (IGNITE-6292) SQL: Support CHECK constraint
Date Thu, 14 Feb 2019 15:17:01 GMT

     [ https://issues.apache.org/jira/browse/IGNITE-6292?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Vladimir Ozerov resolved IGNITE-6292.
-------------------------------------
    Resolution: Won't Fix

Not relevant at the moment.

> SQL: Support CHECK constraint
> -----------------------------
>
>                 Key: IGNITE-6292
>                 URL: https://issues.apache.org/jira/browse/IGNITE-6292
>             Project: Ignite
>          Issue Type: Task
>          Components: sql
>    Affects Versions: 2.1
>            Reporter: Vladimir Ozerov
>            Priority: Major
>              Labels: sql-engine
>
> Currently we do not support {{CHECK}} constraint, which is very important in SQL world.
Need to investigate how we can add it. Essentially, we have two ways:
> 1) Either delegate constraint validation to H2 somehow. But remember that we should do
that early during update, and we should do that efficiently. Need to investigate H2 API to
find out how to achieve that.
> 2) Or we should wait for development of our own execution engine, which is a huge thing
and would not appear fast. In this case we would be able to pre-compile expression somehow
and execute it whenever we want.



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