=== PROBLEM SOLVED === I found for what I was looking http://www.postgresql.org/docs/8.0/static/functions-array.html Function : array_to_string (anyarray, text) Return type : text Description : concatenates array elements using provided delimiter Example : array_to_string(array[1, 2, 3], '~^~') Result : 1~^~2~^~3 Bastien Continsouzas ---------------------------(end of broadcast)--------------------------- TIP 4: Have you searched our list archives? http://archives.postgresql.org/