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https://issues.apache.org/jira/browse/IGNITE-4031?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Vladimir Ozerov updated IGNITE-4031:
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Fix Version/s: (was: 1.7)
1.8
> SQL: Optimize Date\Time\Timestamp function arguments conversion.
> ----------------------------------------------------------------
>
> Key: IGNITE-4031
> URL: https://issues.apache.org/jira/browse/IGNITE-4031
> Project: Ignite
> Issue Type: Sub-task
> Components: SQL
> Affects Versions: 1.6
> Reporter: Andrew Mashenkov
> Labels: performance, sql
> Fix For: 1.8
>
>
> When sql function with Date\Time\Timestamp arguments is used, H2 internals
> convert these objects using java.util.Calendar before pass them as arguments.
> In current H2 version we use: DateTimeUtils holds cache java.util.Calendar
> instance in static field and synchronize every operation on it.
> If its possible, we need to have workaround to use java.util.Calendar more
> effectively as it done for timestamp fields. See IgniteH2Indexing.wrap()
> method.
> Startpoint: GridSQLQueryParser.FUNC_ALIAS
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