Programmatically it is easy to not add trailing comma (just use something like `join(',', array)`) but it would save time during manual editing of a long query

Programmatically it is easy to not add trailing comma (just use something like `join(',', array)`) but it would save time during manual editing of a long query - I often add a new line then run query to discover that I forgot to add , on a previous line. When each line including the last one ends with , I can just add a new line (also ending with ,) and save time.