BUG #16127: PostgreSQL 12.1 on Windows 2008 R2 copy table from ‘large 2GB csv’report “iso-8859-1 error”

The following bug has been logged on the website:

Bug reference:      16127
Logged by:          yanliang lei
Email address:      leiyanliang@highgo.com
PostgreSQL version: 12.1
Operating system:   Windows 2008 R2
Description:

D:\>dir
 驱动器 D 中的卷是 新加卷

D:\Program Files\PostgreSQL\12>cd bin

D:\Program Files\PostgreSQL\12\bin>psql -d postgres -U posgres
用户 posgres 的口令：
psql: 错误: 无法连接到服务器：FATAL:  password authentication failed for user "p
osgres"

D:\Program Files\PostgreSQL\12\bin>psql -d postgres -U postgres
用户 postgres 的口令：
psql (12.1)
输入 "help" 来获取帮助信息.

postgres=# select version();
                          version
------------------------------------------------------------
 PostgreSQL 12.1, compiled by Visual C++ build 1914, 64-bit
(1 行记录)


postgres=# CREATE TABLE github_events
postgres-# (
postgres(#     event_id bigint,
postgres(#     event_type text,
postgres(#     event_public boolean,
postgres(#     repo_id bigint,
postgres(#     payload jsonb,
postgres(#     repo jsonb,
postgres(#     user_id bigint,
postgres(#     org jsonb,
postgres(#     created_at timestamp
postgres(# );
CREATE TABLE
postgres=# \timing
启用计时功能.
postgres=# set client_encoding='UTF8';
SET
时间：1.185 ms
postgres=# set lc_messages=en_us;
SET
时间：23.467 ms
postgres=# copy github_events from  'd:\large_events.csv' csv;
ERROR:  could not stat file "d:\large_events.csv": Unknown error
----->>>Please note this error!!!
时间：4.558 ms
postgres=# select version();
                          version
------------------------------------------------------------
 PostgreSQL 12.1, compiled by Visual C++ build 1914, 64-bit
----->>>>PostgreSQL version is 12.1
(1 行记录)


时间：0.280 ms
postgres=#

Please note：
1.  d:\large_events.csv this file is large 2GB。
2.  the software “postgresql-12.1-1-windows-x64.exe” is downloaded from
enterprisedb website.