hjHelper = new HashJoinHelper(context, oContext.getAllocator());
try {
rightSchema = right.getSchema();
VectorContainer c = new VectorContainer(oContext);
for (MaterializedField field : rightSchema) {
c.addOrGet(field);
}
c.buildSchema(SelectionVectorMode.NONE);
c.setRecordCount(0);
hyperContainer = new ExpandableHyperContainer(c);
hjHelper.addNewBatch(0);