On Tue, Jul 3, 2012 at 7:35 AM, Gabriel Reid <[email protected]> wrote:

> On Tue, Jul 3, 2012 at 4:26 PM, Josh Wills <[email protected]> wrote:
> > On Tue, Jul 3, 2012 at 12:42 AM, Gabriel Reid <[email protected]>
> wrote:
> >>
> >> While implementing the map side joins, I needed to make the PType
> >> interface extend Serializable, and that caused me to stumble upon an
> >> issue in AvrosTest. The testNestedTables method creates a nested table
> >> schema (unsurprisingly), with the call in question being equivalent to
> >> this:
> >>
> >>     Avros.tableOf(Avros.strings(), Avros.tableOf(Avros.ints(),
> >> Avros.doubles()));
> >>
> >> This results in an invalid schema being created due to the same
> >> namespace and name (org.apache.avro.mapred.Pair) being used twice in
> >> the schema.
> ...
> >
> > I added it as a convenience method for a project I was working on-- my
> > thought was that if you tried to put a PTableType inside of another
> > PTableType, we should detect it and automatically convert the nested
> > PTableType to a pairs(keyType, valueType), as you indicated was the
> > right thing to do. I'm surprised that it didn't work properly, since I
> > thought that I was doing the conversion from PTableType to
> > pairs(keyType, valueType) when the PType was being constructed. Do you
> > mind if I take a look at it first and try to fix it?
>
> Yep, please do -- if there's a use case for it, it definitely makes
> sense to keep it and fix it. You can spot the issue if you call
> toString on the schema that is created (in the nested table unit
> test).
>

Ack, found it. I'll check in the patch in a few minutes, assuming it's not
going to conflict with your stuff.


>
> - Gabriel
>



-- 
Director of Data Science
Cloudera <http://www.cloudera.com>
Twitter: @josh_wills <http://twitter.com/josh_wills>

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