public static ObjectInspector createObjectInspector(int columnId, IList <OrcProto.Type> types)
{
OrcProto.Type type = types[columnId];
switch (type.Kind)
{
case OrcProto.Type.Types.Kind.FLOAT:
return(PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
case OrcProto.Type.Types.Kind.DOUBLE:
return(PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
case OrcProto.Type.Types.Kind.BOOLEAN:
return(PrimitiveObjectInspectorFactory.writableBooleanObjectInspector);
case OrcProto.Type.Types.Kind.BYTE:
return(PrimitiveObjectInspectorFactory.writableByteObjectInspector);
case OrcProto.Type.Types.Kind.SHORT:
return(PrimitiveObjectInspectorFactory.writableShortObjectInspector);
case OrcProto.Type.Types.Kind.INT:
return(PrimitiveObjectInspectorFactory.writableIntObjectInspector);
case OrcProto.Type.Types.Kind.LONG:
return(PrimitiveObjectInspectorFactory.writableLongObjectInspector);
case OrcProto.Type.Types.Kind.BINARY:
return(PrimitiveObjectInspectorFactory.writableBinaryObjectInspector);
case OrcProto.Type.Types.Kind.STRING:
return(PrimitiveObjectInspectorFactory.writableStringObjectInspector);
case OrcProto.Type.Types.Kind.CHAR:
if (!type.HasMaximumLength)
{
throw new NotSupportedException(
"Illegal use of char type without length in ORC type definition.");
}
return(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
TypeInfoFactory.getCharTypeInfo((int)type.MaximumLength)));
case OrcProto.Type.Types.Kind.VARCHAR:
if (!type.HasMaximumLength)
{
throw new NotSupportedException(
"Illegal use of varchar type without length in ORC type definition.");
}
return(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
TypeInfoFactory.getVarcharTypeInfo((int)type.MaximumLength)));
case OrcProto.Type.Types.Kind.TIMESTAMP:
return(PrimitiveObjectInspectorFactory.writableTimestampObjectInspector);
case OrcProto.Type.Types.Kind.DATE:
return(PrimitiveObjectInspectorFactory.writableDateObjectInspector);
case OrcProto.Type.Types.Kind.DECIMAL:
int precision = type.HasPrecision ? (int)type.Precision : HiveDecimal.SYSTEM_DEFAULT_PRECISION;
int scale = type.HasScale ? (int)type.Scale : HiveDecimal.SYSTEM_DEFAULT_SCALE;
return(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
TypeInfoFactory.getDecimalTypeInfo(precision, scale)));
case OrcProto.Type.Types.Kind.STRUCT:
return(new OrcStructInspector(columnId, types));
case OrcProto.Type.Types.Kind.UNION:
return(new OrcUnion.OrcUnionObjectInspector(columnId, types));
case OrcProto.Type.Types.Kind.MAP:
return(new OrcMapObjectInspector(columnId, types));
case OrcProto.Type.Types.Kind.LIST:
return(new OrcListObjectInspector(columnId, types));
default:
throw new NotSupportedException("Unknown type " +
type.Kind);
}
}
static public ObjectInspector createObjectInspector(TypeInfo info)
{
switch (info.getCategory())
{
case ObjectInspectorCategory.PRIMITIVE:
switch (((PrimitiveTypeInfo)info).getPrimitiveCategory())
{
case PrimitiveCategory.FLOAT:
return(PrimitiveObjectInspectorFactory.writableFloatObjectInspector);
case PrimitiveCategory.DOUBLE:
return(PrimitiveObjectInspectorFactory.writableDoubleObjectInspector);
case PrimitiveCategory.BOOLEAN:
return(PrimitiveObjectInspectorFactory.writableBooleanObjectInspector);
case PrimitiveCategory.BYTE:
return(PrimitiveObjectInspectorFactory.writableByteObjectInspector);
case PrimitiveCategory.SHORT:
return(PrimitiveObjectInspectorFactory.writableShortObjectInspector);
case PrimitiveCategory.INT:
return(PrimitiveObjectInspectorFactory.writableIntObjectInspector);
case PrimitiveCategory.LONG:
return(PrimitiveObjectInspectorFactory.writableLongObjectInspector);
case PrimitiveCategory.BINARY:
return(PrimitiveObjectInspectorFactory.writableBinaryObjectInspector);
case PrimitiveCategory.STRING:
return(PrimitiveObjectInspectorFactory.writableStringObjectInspector);
case PrimitiveCategory.CHAR:
return(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
(PrimitiveTypeInfo)info));
case PrimitiveCategory.VARCHAR:
return(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
(PrimitiveTypeInfo)info));
case PrimitiveCategory.TIMESTAMP:
return(PrimitiveObjectInspectorFactory.writableTimestampObjectInspector);
case PrimitiveCategory.DATE:
return(PrimitiveObjectInspectorFactory.writableDateObjectInspector);
case PrimitiveCategory.DECIMAL:
return(PrimitiveObjectInspectorFactory.getPrimitiveWritableObjectInspector(
(PrimitiveTypeInfo)info));
default:
throw new ArgumentException("Unknown primitive type " +
((PrimitiveTypeInfo)info).getPrimitiveCategory());
}
case ObjectInspectorCategory.STRUCT:
return(new OrcStructInspector((StructTypeInfo)info));
case ObjectInspectorCategory.UNION:
return(new OrcUnion.OrcUnionObjectInspector((UnionTypeInfo)info));
case ObjectInspectorCategory.MAP:
return(new OrcMapObjectInspector((MapTypeInfo)info));
case ObjectInspectorCategory.LIST:
return(new OrcListObjectInspector((ListTypeInfo)info));
default:
throw new ArgumentException("Unknown type " +
info.getCategory());
}
}
