从另外一个表取数据进行批量插入

最近更新时间: 2025-02-18 16:02:00

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postgres=# insert into tbase(nickname) select relname from pg_class limit 3;
INSERT 0 3
postgres=# select * from tbase;
 id |   nickname    
----+---------------
  5 | pg_type
  6 | pg_toast_2619
  4 | pg_statistic
(3 rows)