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https://issues.apache.org/jira/browse/EAGLE-190?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15196783#comment-15196783
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ASF GitHub Bot commented on EAGLE-190:
--------------------------------------
Github user asfgit closed the pull request at:
https://github.com/apache/incubator-eagle/pull/118
> JBDC Metadata Storage Extension
> -------------------------------
>
> Key: EAGLE-190
> URL: https://issues.apache.org/jira/browse/EAGLE-190
> Project: Eagle
> Issue Type: Improvement
> Affects Versions: v0.3.0
> Reporter: Hao Chen
> Assignee: Hao Chen
> Fix For: v0.3.0
>
>
> JDBC as metadata storage maybe more convenient and light-weight for user to
> use.
> * Support Derby in Memory: The JDBC can support derby and mysql completely,
> and use derby in memory by default, so that user don’t have to install any
> additional dependencies even mysql to get started, and also our unit test
> could easily pass without any tricky modifications.
> * Automatic DDL Schema Manager: JdbcEntitySchemaManager could automatically
> create all required tables if not existing when application is started.
> * Fixed JDBC reserved field name like desc, group and so on
> * Force update while inserting failed due to duplicated key exception
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