Postgresql 12 CAST now（）到目前为止不起作用

我发现数据库为什么会有以下结果很奇怪：

    my1db=# select now()::date;
            now
    ----------------------------
    2020-10-08 19:57:24.483647
    (1 row)

但以下是我的另一个数据库的结果：

    my2db=# SELECT now()::date;
        now
    ------------
    2020-10-08
    (1 row)

我的第一个DB不是从我的第二个DB中显示的铸造

1STDB OS-RHEL 7 dbversion-PostgreSql 12.2
2NDDB OS-RHEL 7 dbversion-PostgreSql 12.1

我能知道我错过了什么吗？ 这就是为什么我没有从我的申请中得到正确结果的原因

编辑（*删除的图像）：
1STDB

2NDDB-cast的行为正常

---

为什么是演员？使用当前日期有什么问题？我有一个字段sendlog_dt|timestamp，没有时区，我想将它转换为日期，sendlog_dt:：date。根据检查将其强制转换为：：date两个服务器都会给出不同的结果，使用强制转换（sendlog_dt As date）的结果是相同的，那么您应该向我们展示一个不同的示例。我当前的sendlog_dt默认值为：timestamp without time zone |'now'：：text：：timestamp without time zone是否有人添加了自己的

now（）

是否将函数添加到该数据库<代码>\df*。现在将是追踪这一点的开始。还是有人玩弄了演员？

选择'10/08/20 7:15'：时间戳：：日期返回`
template1=# \dC date
                                      List of casts
         Source type         |         Target type         |   Function   |   Implicit?
-----------------------------+-----------------------------+--------------+---------------
 date                        | text                        | (with inout) | yes
 date                        | timestamp without time zone | timestamp    | yes
 date                        | timestamp with time zone    | timestamptz  | yes
 timestamp without time zone | date                        | date         | in assignment
 timestamp with time zone    | date                        | date         | in assignment
(5 rows)

template1=# select castfunc::regproc from pg_cast where casttarget = 'date'::regtype;
        castfunc
------------------------
 pg_catalog."timestamp"
 pg_catalog."timestamp"
 pg_catalog."timestamp"
(3 rows)


template1=# select castfunc::regproc, proname, proowner, prosrc, rolname from pg_cast, pg_proc, pg_authid where casttarget = 'date'::regtype and castfunc = pg_proc.oid and proowner = pg_authid.oid;
        castfunc        |  proname  | proowner |        prosrc         | rolname
------------------------+-----------+----------+-----------------------+---------
 pg_catalog."timestamp" | timestamp |       10 | date_timestamp        | pgadmin
 pg_catalog."timestamp" | timestamp |       10 | timestamptz_timestamp | pgadmin
 pg_catalog."timestamp" | timestamp |       10 | timestamp_scale       | pgadmin
(3 rows)

psql (12.1)
Type "help" for help.

template1=# \dC date
                                      List of casts
         Source type         |         Target type         |  Function   |   Implicit?
-----------------------------+-----------------------------+-------------+---------------
 date                        | timestamp without time zone | timestamp   | yes
 date                        | timestamp with time zone    | timestamptz | yes
 timestamp without time zone | date                        | date        | in assignment
 timestamp with time zone    | date                        | date        | in assignment
(4 rows)

template1=# select castfunc::regproc from pg_cast where casttarget = 'date'::regtype;
    castfunc
-----------------
 pg_catalog.date
 pg_catalog.date
(2 rows)

template1=# select castfunc::regproc, proname, proowner, prosrc, rolname from pg_cast, pg_proc, pg_authid where casttarget = 'date'::regtype and castfunc = pg_proc.oid and proowner = pg_authid.oid;
    castfunc     | proname | proowner |      prosrc      | rolname
-----------------+---------+----------+------------------+----------
 pg_catalog.date | date    |       10 | timestamp_date   | postgres
 pg_catalog.date | date    |       10 | timestamptz_date | postgres
(2 rows)