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https://issues.apache.org/jira/browse/IGNITE-3959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15730442#comment-15730442
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Dmitriy Setrakyan commented on IGNITE-3959:
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Sergi, if that's the case, then you are the best person to specify how.
> SQL: Optimize Date\Time fields conversion.
> ------------------------------------------
>
> Key: IGNITE-3959
> URL: https://issues.apache.org/jira/browse/IGNITE-3959
> Project: Ignite
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 1.6
> Reporter: Andrew Mashenkov
> Labels: newbie, performance
> Fix For: 2.0
>
>
> SqlFieldsQueries slowdown on date\time fields processing due to ineffective
> java.util.Calendar usage for date manipulation by H2 database.
> Good point to start is IgniteH2Indexing.wrap() method. Make optimization for
> types DATE and TIME as it already done for TIMESTAMP type.
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