docs: public void appendWhere(CharSequence inWhere) {
          if (mWhereClause == null) {
              mWhereClause = new StringBuilder(inWhere.length() + 16);
          }
          if (mWhereClause.length() == 0) {
              mWhereClause.append('(');
          }
          mWhereClause.append(inWhere);
      }