PG10 中pg_current_wal_insert_lsn()和pg_walfile_name()的使用
nasa=#selectpg_current_wal_insert_lsn();pg_current_wal_insert_lsn---------------------------0/17A0F98(1row)nasa=#selectpg_walfile_name('0/17A0F98');------------>>>>注意此处的单引号pg_walfile_name-------------