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From Alex <siri8...@gmail.com>
Subject Re: Is DoubleWritable and DoubleObjectInspector doing the same thing in Hive UDF?
Date Sat, 04 Feb 2017 08:39:35 GMT
Hiiii,

Please Reply?

On Fri, Feb 3, 2017 at 8:19 PM, Alex <siri8123@gmail.com> wrote:

> Hi,
>
> can You guys tell me if below peice of two codes are returning the same
> thing?
>
> (((DoubleObjectInspector) ins2).get(obj)); and (DoubleWritable)obj).get()
> ; from below two  codes
>
>
> code 1)
>
> public Object get(Object name) {
>           int pos = getPos((String)name);
>   if(pos<0) return null;
>   String f = "string";
>           Object obj= list.get(pos);
>   if(obj==null) return null;
>   ObjectInspector ins = ((StructField)colnames.get(pos
> )).getFieldObjectInspector();
>   if(ins!=null) f = ins.getTypeName();
>   switch (f) {
>     case "double" :  return ((DoubleWritable)obj).get();
>             case "bigint" :  return ((LongWritable)obj).get();
>             case "string" :  return ((Text)obj).toString();
>     default  :  return obj;
>   }
> }
>
>
> Code 2)
>
> public Object get(Object name) {
>
>                 int pos = getPos((String) name);
>
>                 if (pos < 0)
>
>                         return null;
>
>                 String f = "string";
>
>                 String f1 = "string";
>
>                 Object obj = list.get(pos);
>
>
>
>                 if (obj == null)
>
>                         return null;
>
>                 ObjectInspector ins = ((StructField)
> colnames.get(pos)).getFieldObjectInspector();
>
>                 if (ins != null)
>
>                         f = ins.getTypeName();
>
>
>
>
>
>                 PrimitiveObjectInspector ins2 =
> (PrimitiveObjectInspector) ins;
>
>                 f1 = ins2.getPrimitiveCategory().name();
>
>
>
>
>
>                switch (ins2.getPrimitiveCategory()) {
>
>                 case DOUBLE:
>
>
>
>                         return (((DoubleObjectInspector) ins2).get(obj));
>
>
>
>                 case LONG:
>
>
>
>                        return  (((LongObjectInspector) ins2).get(obj));
>
>
>
>                case STRING:
>
>                         return (((StringObjectInspector)
> ins2).getPrimitiveJavaObject(obj)).toString();
>
>
>
>                 default:    return obj;
>
>                 }
>
>  }
>

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