我最近开始尝试设置一个新的本地 PostgreSQL 服务器，连接到现有的 Rails 应用程序。我有一张要插入的表：
postgres=# \d+ events.t_sales_events
Table "events.t_sales_events"
Column | Type | Modifiers | Storage | Stats target | Description
------------+-----------------------------+---------------------------------------------------------------------+----------+--------------+-------------
id | integer | not null default nextval('events.t_sales_events_id_seq'::regclass) | plain | |
event_name | character varying(45) | not null | extended | |
actor_id | integer | | plain | |
actor_type | character varying(45) | | extended | |
json | jsonb | | extended | |
created | timestamp without time zone | not null …