arraystatistics - Robuta Search

https://arrow.apache.org/docs/dev/c_glib/arrow-glib/method.ArrayStatistics.has_distinct_count.html Arrow.ArrayStatistics.has_distinct_count arrow distinct count https://arrow.apache.org/docs/dev/c_glib/arrow-glib/method.ArrayStatistics.get_distinct_count_approximate.html Arrow.ArrayStatistics.get_distinct_count_approximate arrow get distinct count approximate https://arrow.apache.org/docs/dev/c_glib/arrow-glib/method.ArrayStatistics.get_null_count_approximate.html Arrow.ArrayStatistics.get_null_count_approximate arrow get null count approximate