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https://issues.apache.org/jira/browse/DERBY-6809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547584#comment-14547584
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sagar commented on DERBY-6809:
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Hello Rick,
Ok ... right and point taken on proceedures and functions ... but will a Java8
specific package of proceedures and functions run on the normal derby build if
its running on jvm8? Thats point one ...
Secondly, yes there is significant amount of work on manually changing the code
to take advantage of Java8 features ...
but proposal taking this into account, now more specifically is ... if we use
some a tool like Netbeans which automatically suggests for eg. Convert to
Lambda, etc ... can this be done to just put things moving on the Java8
parallelism track? Yes that means 2 builds a derby8 build targetting jvm8 only
and the normal derby.
Since the DERBY source code as of now is a black box to me ... I can only
speculate that even a simple query like
SELECT * FROM emp WHERE empname LIKE 'sa%' ORDER BY empage;
could be benefited by the parallelism features assuming collections etc. are
being used internally to sort filter order the final resultset ... benefits may
not really be in terms of time (speed) always ... but taking advantage of
hardware available certainly has benefits ... since now with JAVA8 you can
truely take advantage of
So in theory or principle if some expert confirms this, then probably I can
find some time to modify some of the source code (auto hinted by Netbeans8) for
a particular specific THING ... create a build and test it if there is a
benefit using the default derby.jar and using the derby8.jar both running on a
java8 jvm for that specific THING ...
Guide and comment.
> Java 1.8 feature use
> --------------------
>
> Key: DERBY-6809
> URL: https://issues.apache.org/jira/browse/DERBY-6809
> Project: Derby
> Issue Type: Improvement
> Components: Network Server
> Affects Versions: 11.0.0.0
> Reporter: sagar
>
> Suggestion ...
> Is it possible to auto modify the existing source code using tools like
> Netbeans, and take advantage of the new features in JDK 1.8 for better
> multiuser performance and better utilization of current day multicore
> processors?
> Plainly put, can we have from 11.0 onwards a version of derby which takes
> advantage of the advancements and new features in java 1.8 ...
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