pg_table_is_visible()
pg_table_is_visible(table_or_index_oid)
table_or_index_oid
SELECT pg_table_is_visible(-1); pg_table_is_visible ----------------------------
SELECT pg_table_is_visible(16386); pg_table_is_visible ---------------------------- t
SELECT pg_table_is_visible(16381); pg_table_is_visible ---------------------------- f