Will the log_conversion table create a new entry for a repeat conversion if the goal was set up to allow only one conversion per visit? Or will only unique conversions be logged in the log_conversion table, if the goal is only allowed once per visit?
It will create a new record every time goal matching conditions are met. In
log_conversion table there’s a primary key
(idvisit,idgoal,buster) and it will still be unique since buster will be set to current
visit_last_action_time, see piwik/GoalManager.php at 2.15.0 · matomo-org/piwik · GitHub