[sqlite] Counter function

Is there any important reason for counter(X) function to not be included in main sqlite? There is already an implementation of counter function in src\test_func.c and given the usefulness of counter function in analytics, it is a petty to have to write obnoxious queries to workaround the lack

[sqlite] Counter function

Is there a reason for a very useful (for analytics) function like "counter(X)" to live in test_func.c ? I stumbled on it while trying to write a counter function of my own. Please if possible make it visible. It could ease the pain of not having analytics functions in sqlite (lead, lag, median