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Posted to issues@ignite.apache.org by "Sergi Vladykin (JIRA)" <ji...@apache.org> on 2016/12/07 09:22:59 UTC
[jira] [Commented] (IGNITE-3959) SQL: Optimize Date\Time fields
conversion.
[ https://issues.apache.org/jira/browse/IGNITE-3959?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15728235#comment-15728235 ]
Sergi Vladykin commented on IGNITE-3959:
----------------------------------------
May be this must be fixed in H2 database, no?
> 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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