group_concat in Informix

Question

Looking for a query in Informix\'s SQL that will simulate MySQL\'s group_concat function.

What MySQL\'s group_concat does is it creates an

Answer 1

There is certainly no built-in function in Informix to do this. Does any other mainstream RDBMS have such a bizarre aggregate function? Ordering by a column not selected in a query is a bit dubious, but grouping? That's a new one on me.

You would have to write a stored procedure or UDR to generate such a dataset. To be honest, I wouldn't attempt this in the database. It looks like a task best suited to the consumer of this output (ie the application/webapp/report-writer etc).