Portable Data with Cayenne - database load/unload feature
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Key: CAY-968
URL: https://issues.apache.org/cayenne/browse/CAY-968
Project: Cayenne
Issue Type: New Feature
Components: Cayenne Core Library
Affects Versions: UNDEFINED FUTURE
Reporter: Michael Bergens
Assignee: Andrus Adamchik
Priority: Minor
Here's a dream: I run an ant target or a set of API calls with proper
configuration against a database configured with Cayenne, it gives me a set of
files or just one file, possibly some compressed archive format such as zip
which contain all I need to recreate the same data under the same DBMS or a
different one. So whenever needed, I can send this file or files to a colleague
who would run a reverse ant target (or a set of API calls) and have the same
database ready for use in the DBMS of his choice.
Cayenne has plenty of good stuff which would make this possible and my team is
currently implementing subset of this functionality tailored to our specifics:
it requires some manual effort on the part of indicating the sequence in which
the tables should be loaded, manual adjustment of primary key generation info
after loading a table etc. Would be good to have this implemented in a core or
an optional extension. The portable format should be versionable plain text
such as XML or JSON - that would allow me to to use the VCS to keep my test
data, demo data etc, properly versioned.
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