private void testJoin() throws BlurException, TException {
RowMutation mutation = new RowMutation();
mutation.table = table;
mutation.rowId = "row1";
mutation.addToRecordMutations(newRecordMutation("cf1", "recordid1", newColumn("col1", "value1")));
mutation.addToRecordMutations(newRecordMutation("cf1", "recordid2", newColumn("col2", "value2")));
mutation.rowMutationType = RowMutationType.REPLACE_ROW;
client.mutate(mutation);
List<String> joinTest = new ArrayList<String>();
joinTest.add("+cf1.col1:value1");