txdb=# show password_encryption_type;
password_encryption_type
--------------------------
2
(1 row)
txdb=# alter system set password_encryption_type=1;
ALTER SYSTEM SET
远程连接修改：
[rapids@rapids01 txdb]$ vim install/data/dn/pg_hba.conf
ipv4增加
host all all 0.0.0.0/0 sha256
修改postgres.conf
listen_addresses = '*'
重启数据库
