Yeah, we still lack documentation on how to write a storage plugin. One advice I've been seeing a lot is to take a look at the mongo-db plugin, it was basically added in one single commit:
https://github.com/apache/drill/commit/2ca9c907bff639e08a561eac32e0acab3a0b3304 I think this will give some general ideas on what to expect when writing a storage plugin. On Fri, Jul 10, 2015 at 9:10 AM, Ted Dunning <ted.dunn...@gmail.com> wrote: > Hakim, > > Not yet. Still very much in the stage of gathering feedback. > > I would think it very simple. The biggest obstacles are > > 1) no documentation on how to write a data format > > 2) I need to release a jar for log-synth to Maven Central. > > > > > On Fri, Jul 10, 2015 at 8:17 AM, Abdel Hakim Deneche < > adene...@maprtech.com> > wrote: > > > @Ted, the log-synth storage format would be really useful. I'm already > > seeing many unit tests that could benefit from this. Do you have a github > > repo for your ongoing work ? > > > > Thanks! > > > > On Thu, Jul 9, 2015 at 10:56 PM, Ted Dunning <ted.dunn...@gmail.com> > > wrote: > > > > > Are you hard set on using common table expressions? > > > > > > I have discussed a bit off-list creating a data format that would allow > > > tables to be read from a log-synth [1] schema. That would let you read > > as > > > much data as you might like with an arbitrarily complex (or simple) > > query. > > > > > > Operationally, you would create a file containing a log-synth schema > that > > > has the extension .synth. Your data source would have to be configured > > to > > > connect that extension with the log-synth format. At that point, you > > could > > > select as much or little data as you like from the file and you would > see > > > generated data rather than the schema. > > > > > > > > > > > > [1] https://github.com/tdunning/log-synth > > > > > > On Thu, Jul 9, 2015 at 11:31 AM, Alexander Zarei < > > > alexanderz.si...@gmail.com > > > > wrote: > > > > > > > Hi All, > > > > > > > > I am trying to come up with a query which returns a given number of > > rows > > > > without having a real table on Storage. > > > > > > > > I am hoping to achieve something like this: > > > > > > > > > > > > > > > > > > http://stackoverflow.com/questions/6533524/sql-select-n-records-without-a-table > > > > > > > > DECLARE @start INT = 1;DECLARE @end INT = 1000000; > > > > WITH numbers AS ( > > > > SELECT @start AS number > > > > UNION ALL > > > > SELECT number + 1 > > > > FROM numbers > > > > WHERE number < @end)SELECT *FROM numbersOPTION (MAXRECURSION 0); > > > > > > > > I do not actually need to create different values and returning > > identical > > > > rows would work too.I just need to bypass the "from clause" in the > > query. > > > > > > > > Thanks, > > > > Alex > > > > > > > > > > > > > > > -- > > > > Abdelhakim Deneche > > > > Software Engineer > > > > <http://www.mapr.com/> > > > > > > Now Available - Free Hadoop On-Demand Training > > < > > > http://www.mapr.com/training?utm_source=Email&utm_medium=Signature&utm_campaign=Free%20available > > > > > > -- Abdelhakim Deneche Software Engineer <http://www.mapr.com/> Now Available - Free Hadoop On-Demand Training <http://www.mapr.com/training?utm_source=Email&utm_medium=Signature&utm_campaign=Free%20available>
