inputFormat.setInputPaths(job, path);
inputFormat.setMinSplitSize(job, 100);
inputFormat.setProjection(job, "aa");
List<InputSplit> splits = inputFormat.getSplits(job);
RowTableSplit split = (RowTableSplit) splits.get(0);
String str = split.getSplit().toString();
StringTokenizer tokens = new StringTokenizer(str, "\n");
str = tokens.nextToken();
tokens = new StringTokenizer(str, " ");
tokens.nextToken();
tokens.nextToken();