sql 读取特定表的增强活动统计信息

Posted 2021-05-13

select relname         as "table",
       seq_scan        as "table scans",
       seq_tup_read    as "tuples scanned",
       idx_scan        as "index lookups",
       idx_tup_fetch   as "tuples fetched via index"
  from pg_stat_user_tables
 where relname = 'TABLE_NAME';