Sets up automatic logging of all join reports to a specified file.
When enabled, every *_join_spy() call will append its report to the log.
Usage
set_log_file(file, format = c("text", "json"))Examples
if (FALSE) { # \dontrun{
# Enable automatic logging
set_log_file("joins.log")
# All subsequent joins are logged
left_join_spy(orders, customers, by = "id")
# Disable logging
set_log_file(NULL)
} # }