code: private Iterator<Iterable<Row>> deltaQuery(DeltaPlacement placement, Statement statement, boolean singleRow,
                                                 String errorContext, Object... errorContextArgs) {
          return doDeltaQuery(placement, statement, singleRow, false, errorContext, errorContextArgs);
      }
docs: Synchronously executes the provided statement.  The statement must query the delta table as returned from
  {@link com.bazaarvoice.emodb.sor.db.astyanax.DeltaPlacement#getDeltaTableDDL()}