sb.append(targets[i]);
if( i < targets.length - 1) {
sb.append(", ");
}
}
planStr.addExplan(sb.toString());
if (getOutSchema() != null) {
planStr.addExplan("out schema: " + getOutSchema().toString());
}
if (getInSchema() != null) {
planStr.addExplan("in schema: " + getInSchema().toString());