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From Eugene Koifman <ekoif...@hortonworks.com>
Subject Re: RFC: Major HCatalog refactoring
Date Mon, 02 Sep 2013 15:36:38 GMT
These will be new (I.e. 0.11 version) test classes which will be in the old
org.apache.hcatalog package.  How does that affect the new framework?

On Saturday, August 31, 2013, Brock Noland wrote:

> Will these be new Java class files or new test methods to existing
> classes?  I am just curious as to how this will play into the
> distributed testing framework.
>
> On Sat, Aug 31, 2013 at 10:19 AM, Eugene Koifman
> <ekoifman@hortonworks.com> wrote:
> > not quite double but close  (on my Mac that means it will go up from 35
> > minutes to 55-60) so in greater scheme of things it should be negligible
> >
> >
> >
> > On Sat, Aug 31, 2013 at 7:35 AM, Edward Capriolo <edlinuxguru@gmail.com
> >wrote:
> >
> >> By coverage do you mean to say that:
> >>
> >> > Thus, the published HCatalog JARs will contain both packages and the
> unit
> >> > tests will cover both versions of the API.
> >>
> >> We are going to double the time of unit tests for this module?
> >>
> >>
> >> On Fri, Aug 30, 2013 at 8:41 PM, Eugene Koifman <
> ekoifman@hortonworks.com
> >> >wrote:
> >>
> >> > This will change every file under hcatalog so it has to happen before
> the
> >> > branching.  Most likely at the beginning of next week.
> >> >
> >> > Thanks
> >> >
> >> >
> >> > On Wed, Aug 28, 2013 at 5:24 PM, Eugene Koifman <
> >> ekoifman@hortonworks.com
> >> > >wrote:
> >> >
> >> > > Hi,
> >> > >
> >> > >
> >> > > Here is the plan for refactoring HCatalog as was agreed to when it
> was
> >> > > merged into Hive during.  HIVE-4869 is the umbrella bug for this
> work.
> >> >  The
> >> > > changes are complex and touch every single file under hcatalog.
>  Please
> >> > > comment.
> >> > >
> >> > > When HCatalog project was merged into Hive on 0.11 several
> integration
> >> > > items did not make the 0.11 deadline.  It was agreed to finish them
> in
> >> > 0.12
> >> > > release.  Specifically:
> >> > >
> >> > > 1. HIVE-4895 - change package name from org.apache.hcatalog to
> >> > > org.apache.hive.hcatalog
> >> > >
> >> > > 2. HIVE-4896 - create binary backwards compatibility layer for hcat
> >> users
> >> > > upgrading from 0.11 to 0.12
> >> > >
> >> > > For item 1, we’ll just move every file under org.apache.hcatalog
to
> >> > > org.apache.hive.hcatalog and update all “package” and “import”
> >> statement
> >> > as
> >> > > well as all hcat/webhcat scripts.  This will include all JUnit
> tests.
> >> > >
> >> > > Item 2 will ensure that if a user has a M/R program or Pig script,
> etc.
> >> > > that uses HCatalog public API, their programs will continue to work
> w/o
> >> > > change with hive 0.12.
> >> > >
> >> > > The proposal is to make the changes that have as little impact on
> the
> >> > > build system, in part to make upcoming ‘mavenization’ of hive
> easier,
> >> in
> >> > > part to make the changes more manageable.
> >> > >
> >> > >
> >> > >
> >> > > The list of public interfaces (and their transitive closure) for
> which
> >> > > backwards compat will be provided.
> >> > >
> >> > >    1.
> >> > >
> >> > >    HCatLoader
> >> > >    2.
> >> > >
> >> > >    HCatStorer
> >> > >    3.
> >> > >
> >> > >    HCatInputFormat
> >> > >    4.
> >> > >
> >> > >    HCatOutputFormat
> >> > >    5.
> >> > >
> >> > >    HCatReader
> >> > >    6.
> >> > >
> >> > >    HCatWriter
> >> > >    7.
> >> > >
> >> > >    HCatRecord
> >> > >    8.
> >> > >
> >> > >    HCatSchema
> >> > >
> >> > >
> >> > > To achieve this, 0.11 version of these classes will be added in
> >> > > org.apache.hcatalog package (after item 1 is done).  Each of these
> >> > classes
> --
> Apache MRUnit - Unit testing MapReduce - http://mrunit.apache.org
>

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