Github user meiercaleb commented on a diff in the pull request:

    https://github.com/apache/incubator-rya/pull/251#discussion_r153533498
  
    --- Diff: 
extras/rya.pcj.fluo/pcj.fluo.app/src/main/java/org/apache/rya/indexing/pcj/fluo/app/JoinResultUpdater.java
 ---
    @@ -231,30 +225,38 @@ public void updateJoinResults(
          * @param siblingId - Id of the sibling node whose BindingSets will be 
retrieved and joined with the update
          * @return Span to retrieve sibling node's BindingSets to form join 
results
          */
    -    private Span getSpan(TransactionBase tx, final String childId, final 
BindingSet childBindingSet, final String siblingId) {
    +    private Span getSpan(TransactionBase tx, final String childId, final 
VisibilityBindingSet childBindingSet, final String siblingId) {
             // Get the common variable orders. These are used to build the 
prefix.
             final VariableOrder childVarOrder = getVarOrder(tx, childId);
             final VariableOrder siblingVarOrder = getVarOrder(tx, siblingId);
             final List<String> commonVars = getCommonVars(childVarOrder, 
siblingVarOrder);
     
    -        // Get the Binding strings
    -        final String childBindingSetString = 
VIS_BS_CONVERTER.convert(childBindingSet, childVarOrder);
    -        final String[] childBindingArray = 
childBindingSetString.split("\u0001");
    -        final String[] childBindingStrings = 
FluoStringConverter.toBindingStrings(childBindingArray[0]);
    -
    -        // Create the prefix that will be used to scan for binding sets of 
the sibling node.
    -        // This prefix includes the sibling Node ID and the common 
variable values from
    -        // childBindingSet.
    -        String siblingScanPrefix = "";
    -        for(int i = 0; i < commonVars.size(); i++) {
    -            if(siblingScanPrefix.length() == 0) {
    -                siblingScanPrefix = childBindingStrings[i];
    -            } else {
    -                siblingScanPrefix += DELIM + childBindingStrings[i];
    -            }
    +//        // Get the Binding strings
    --- End diff --
    
    Done.


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