I'm really brand new with Scala, but if I'm defining a case class then is becouse I know how is the json's structure is previously?
If I'm able to define dinamicaly a case class from the JSON structure then even with spark I will be able to extract the data On Wed, Jan 27, 2016 at 4:01 PM, Sahil Sareen <sareen...@gmail.com> wrote: > Isn't this just about defining a case class and using > parse(json).extract[CaseClassName] using Jackson? > > -Sahil > > On Wed, Jan 27, 2016 at 11:08 PM, Andrés Ivaldi <iaiva...@gmail.com> > wrote: > >> We dont have Domain Objects, its a service like a pipeline, data is read >> from source and they are saved it in relational Database >> >> I can read the structure from DataFrames, and do some transformations, I >> would prefer to do it with Spark to be consistent with the process >> >> >> >> On Wed, Jan 27, 2016 at 12:25 PM, Al Pivonka <alpivo...@gmail.com> wrote: >> >>> Are you using an Relational Database? >>> If so why not use a nojs DB ? then pull from it to your relational? >>> >>> Or utilize a library that understands Json structure like Jackson to >>> obtain the data from the Json structure the persist the Domain Objects ? >>> >>> On Wed, Jan 27, 2016 at 9:45 AM, Andrés Ivaldi <iaiva...@gmail.com> >>> wrote: >>> >>>> Sure, >>>> The Job is like an etl, but without interface, so I decide the rules of >>>> how the JSON will be saved into a SQL Table. >>>> >>>> I need to Flatten the hierarchies where is possible in case of list >>>> flatten also, nested objects Won't be processed by now >>>> >>>> {"a":1,"b":[2,3],"c"="Field", "d":[4,5,6,7,8] } >>>> {"a":11,"b":[22,33],"c"="Field1", "d":[44,55,66,77,88] } >>>> {"a":111,"b":[222,333],"c"="Field2", "d":[44,55,666,777,888] } >>>> >>>> I would like something like this on my SQL table >>>> >>>> a b c d >>>> 1 2,3 Field 4,5,6,7,8 >>>> 11 22,33 Field1 44,55,66,77,88 >>>> 111 222,333 Field2 444,555,,666,777,888 >>>> >>>> Right now this is what i need >>>> >>>> I will later add more intelligence, like detection of list or nested >>>> objects and create relations in other tables. >>>> >>>> >>>> >>>> On Wed, Jan 27, 2016 at 11:25 AM, Al Pivonka <alpivo...@gmail.com> >>>> wrote: >>>> >>>>> More detail is needed. >>>>> Can you provide some context to the use-case ? >>>>> >>>>> On Wed, Jan 27, 2016 at 8:33 AM, Andrés Ivaldi <iaiva...@gmail.com> >>>>> wrote: >>>>> >>>>>> Hello, I'm trying to Save a JSON filo into SQL table. >>>>>> >>>>>> If i try to do this directly the IlligalArgumentException is raised, >>>>>> I suppose this is beacouse JSON have a hierarchical structure, is that >>>>>> correct? >>>>>> >>>>>> If that is the problem, how can I flatten the JSON structure? The >>>>>> JSON structure to be processed would be unknow, so I need to do it >>>>>> programatically >>>>>> >>>>>> regards >>>>>> >>>>>> -- >>>>>> Ing. Ivaldi Andres >>>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> Those who say it can't be done, are usually interrupted by those doing >>>>> it. >>>>> >>>> >>>> >>>> >>>> -- >>>> Ing. Ivaldi Andres >>>> >>> >>> >>> >>> -- >>> Those who say it can't be done, are usually interrupted by those doing >>> it. >>> >> >> >> >> -- >> Ing. Ivaldi Andres >> > > -- Ing. Ivaldi Andres