public static ObjectInspector createColumnarStructInspector(
List<String> columnNames, List<TypeInfo> columnTypes) {
ArrayList<ObjectInspector> columnObjectInspectors =
new ArrayList<ObjectInspector>(columnTypes.size());
for (int i = 0; i < columnTypes.size(); i++) {
columnObjectInspectors.add(
LazyBinaryUtils.getLazyBinaryObjectInspectorFromTypeInfo(columnTypes.get(i)));
}
return ObjectInspectorFactory.getColumnarStructObjectInspector(
columnNames, columnObjectInspectors);
}
/*
* (non-Javadoc)
*
* @see org.apache.hadoop.hive.serde2.AbstractSerDe#initialize(org.apache.hadoop.conf.Configuration,
* java.util.Properties)
*/
@Override
public void initialize(Configuration conf, Properties tbl) throws SerDeException {
String columnNameProperty = tbl.getProperty(LIST_COLUMNS);
String columnTypeProperty = tbl.getProperty(LIST_COLUMN_TYPES);
List<String> columnNames = Arrays.asList(columnNameProperty.split(","));
List<TypeInfo> columnTypes = TypeInfoUtils.getTypeInfosFromTypeString(columnTypeProperty);
List<ObjectInspector> columnObjectInspectors =
new ArrayList<ObjectInspector>(columnNames.size());
ObjectInspector colObjectInspector;
for (int col = 0; col < columnNames.size(); col++) {
colObjectInspector =
TypeInfoUtils.getStandardJavaObjectInspectorFromTypeInfo(columnTypes.get(col));
columnObjectInspectors.add(colObjectInspector);
}
cachedObjectInspector =
ObjectInspectorFactory.getColumnarStructObjectInspector(
columnNames, columnObjectInspectors);
}
