Setting the Validity Period of an Account

Precautions

When creating a user, you need to specify the validity period of the user, including the start time and end time.

To enable a user not within the validity period to use its account, set a new validity period.

Procedure

  1. Log in as the OS user omm to the primary node of the database.

  2. Run the following command to connect to the database:

    gsql -d postgres -p 8000
    

    postgres is the name of the database to be connected, and 8000 is the port number of the database primary node.

    If information similar to the following is displayed, the connection succeeds:

    gsql ((openGauss x.x.x build 50dc16a6) compiled at 2020-11-29 05:49:21 commit 1071 last mr 1373)
    Non-SSL connection (SSL connection is recommended when requiring high-security)
    Type "help" for help.
    
    postgres=# 
    
  3. Run the following command to create a user and specify the start time and end time:

    postgres=# CREATE USER joe WITH PASSWORD 'xxxxxxxxx' VALID BEGIN '2015-10-10 08:00:00' VALID UNTIL '2016-10-10 08:00:00';
    

    The user is created if the following information is displayed:

    CREATE ROLE
    
  4. If the user is not within the specified validity period, run the following command to set the start time and end time of a new validity period.

    postgres=# ALTER USER joe WITH VALID BEGIN '2016-11-10 08:00:00' VALID UNTIL '2017-11-10 08:00:00';
    

    The start time and end time of the new validity period is set successfully if the following information is displayed:

    ALTER ROLE
    

NOTE:

  • If VALID BEGIN and VALID UNTIL are not specified in the CREATE ROLE syntax, the start time and end time of a user's operation are not limited.
  • If VALID BEGIN and VALID UNTIL are not specified in the ALTER ROLE syntax, the start time and end time of a user's operation are not modified and the original settings are used.
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