Path url = new Path(part.getDataLocation().toString());
FileSystem fs = url.getFileSystem(conf);
FileStatus fstat = fs.getFileStatus(url);
part.getParameters().put(HiveIndex.INDEX_TABLE_CREATETIME, Long.toString(fstat.getModificationTime()));
db.alterPartition(tbl.getTableName(), part);
} else {
Path url = new Path(tbl.getDataLocation().toString());
FileSystem fs = url.getFileSystem(conf);
FileStatus fstat = fs.getFileStatus(url);
tbl.getParameters().put(HiveIndex.INDEX_TABLE_CREATETIME, Long.toString(fstat.getModificationTime()));