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https://issues.apache.org/jira/browse/DERBY-6809?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16282756#comment-16282756
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Rick Hillegas commented on DERBY-6809:
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Q> And a final thought ... Any work on derby MVCC going on?
A> The discussion is usually very short. MVCC would be an entirely new storage
engine. No-one has volunteered for that big project.
Q> And also a pluggable NOSQL or added NOSQL?
A> NOSQL covers a lot of functionality. It's hard to know what people mean by
the term.
a) Sometimes it's just the ability to import data from a schema-free format
like JSON. There is an optional tool for importing simple JSON objects and for
flattening them into rows, and also for exporting query results in JSON format.
See http://db.apache.org/derby/docs/10.14/tools/rtoolsoptsimplejson.html This
support could definitely be built out. Similar optional tools could also be
written for other popular hierarchical and non-tabular formats like AVRO and
PROTOBUF. Writing optional tools like that would be an area in which newcomers
could contribute quickly because they wouldn't have to learn the intricate
details of Derby's internals.
b) Sometimes people mean the ability to store hierarchical formats in a way
which Derby's SQL engine could query efficiently. These are big projects for
which no-one has volunteered.
c) Sometimes people mean an efficient federated query engine which could marry
data from relational and non-relational sources. Again, that's a big project
without any volunteers.
And you may means something else by the term NOSQL.
Q> And that famously asked for demanded one Optimistic Locking?
A> No-one has volunteered for this one either.
> 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
> Attachments: 2017-12-04-143613_1366x768_scrot.png
>
>
> 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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