> Note: I found some close-but-no cigar aggregates shared online, but > they would not accept integer arguments, nor would they handle the > optionally furnished delimiter. People would suggesting casting the > argument to the pseudo-GROUP_CONCAT. Again: Rewrite perhaps hundreds
> of queries?<br>
I don't think you need all the variations; you should be able to make them all work with a single set of functions, taking ANYELEMENT instead of text/int8/int4 etc.
