PlanColumn column = PlannerContext.singleton().get(column_guid);
String inner = " : guid=" + column_guid;
if (column != null) {
assert (column_guid == column.guid());
name = column.getDisplayName();
inner += " : type=" + column.type() + " : size=" + column.width() + " : sort=" + column.getSortOrder() + " : storage=" + column.getStorage();
}
ret += String.format("%s [%02d] %s%s\n", spacer, ctr, name, inner);
if (column != null && column.getExpression() != null) { // && (true