for (int i = 0; i < 20; i++) {
List<Object> objList = new ArrayList<Object>();
objList.add(i);
objList.add("strvalue" + i);
writeRecords.add(new DefaultHCatRecord(objList));
}
partitionColumns = new ArrayList<HCatFieldSchema>();
partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c1", serdeConstants.INT_TYPE_NAME, "")));
partitionColumns.add(HCatSchemaUtils.getHCatFieldSchema(new FieldSchema("c2", serdeConstants.STRING_TYPE_NAME, "")));