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https://issues.apache.org/jira/browse/IGNITE-4573?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15830208#comment-15830208
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Alexander Paschenko commented on IGNITE-4573:
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Investigated H2 code and discovered redundant constant conversions. Working on
a fix to contribute to H2.
> Optimize H2 comparisons w/constant
> ----------------------------------
>
> Key: IGNITE-4573
> URL: https://issues.apache.org/jira/browse/IGNITE-4573
> Project: Ignite
> Issue Type: Sub-task
> Components: SQL
> Reporter: Alexander Paschenko
> Assignee: Alexander Paschenko
> Fix For: 1.9
>
>
> Currently H2 performs constant conversions for each row - say, for {{WHERE
> person.id = '1'}} the {{'1'}} will be converted to {{int}} for each row which
> is clearly redundant.
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