[GENERAL] Passing a comma delimited list to a function

Hi,   I was wondering if there was a function that handles list elements of a comma delimited list? I need to be able to pass values as a comma delimited list, count the number of values, and process the value of each.   Did not think it was very efficient to loop through the contents of the list

[GENERAL] Anything akin to an Evaluate Statement in Postgresql?

Hi,   Was wondering if there was anything akin to an evaluate statement in Postgresql for dynamic strings?   Alex