Thanks Owen, i will try it. Thanks, Praveen
On Mon, Aug 8, 2016 at 5:08 PM, Owen O'Malley <[email protected]> wrote: > You can use the TypeDescription API to create the schema. Like: > > TypeDescription schema = TypeDescription.createStruct() > .addField("time", TypeDescription.createTimestamp()) > .addField("union", TypeDescription.createUnion() > .addUnionChild(TypeDescription.createInt()) > .addUnionChild(TypeDescription.createString())) > .addField("decimal", TypeDescription.createDecimal() > .withPrecision(38) > .withScale(18)); > > TypeDescription.fromString lets you be a little more compact: > > TypeDescription schema = TypeDescription.fromString( > "struct<time:timestamp,uniontype<int,string>,decimal: > decimal(38,18)>"); > > .. Owen > > On Mon, Aug 8, 2016 at 2:01 PM, praveen reddy <praveen.onlinecourse@gmail. > com> wrote: > >> i am on version 1.2. i am currently using >> ObjectInspectorFactory.getReflectionObjectInspector >> to build the schema. will try to use DateWritable and HiveDecimalWritable. >> >> for using TypeDescription.fromString(), do we need to hardcode the >> schema? if we need to hardcode i dont think that option will work for me. i >> am looking into api further. >> >> >> On Mon, Aug 8, 2016 at 3:14 PM, Owen O'Malley <[email protected]> wrote: >> >>> Which version are you using? >>> >>> If you are using Hive's ObjectInspectorFactory.getReflectionObjectInspector, >>> you want to use DateWritable and HiveDecimalWritable. >>> >>> For even more control, you can create a TypeDescription and provide it >>> via setSchema to the OrcFile.WriterOptions. In ORC 1.1 you can also use >>> TypeDescription.fromString() to build TypeDescription from the type name. >>> >>> .. Owen >>> >>> On Mon, Aug 8, 2016 at 3:58 AM, praveen reddy < >>> [email protected]> wrote: >>> >>>> Hi, >>>> >>>> i need to store Timestamp and Decimal datatype in ORC file. i declared >>>> them as Date and BigDecimal in java but when i save them in ORC file, they >>>> are storing as Struct type. i dont want to use Struct type. >>>> >>>> can you please help on what data type i need to choose in Java. i am >>>> kind of stuck on this. >>>> >>>> Thanks, >>>> Praveen >>>> >>> >>> >> >
