private void appendWhereClause(StringBuffer sb, boolean[] parameterMask) {
private void appendWhereClause(StringBuffer sb, int[] parameterMask) {
    private void appendWhereClause(StringBuffer sb, boolean[] parameterMask) {        sb.append("WHERE");        sb.append("\n");                boolean first = true;        for (int i = 0; i < xsqlvars.length; i++) {            if (!parameterMask[i])                continue;                        if (!first)                sb.append("AND");                        sb.append("\n\t");            sb.append(xsqlvars[i].sqlname).append(" = ").append("?");                        first = false;        }    }