add a configuration to set default_catalog

[gwy1995]

Feature request

Is your feature request related to a problem? Please describe.

My starrocks cluster is shared-data on hdfs, when I am using mysql client, I always need to set catalog first.

Describe the solution you'd like

add a configuration to set default_catalog

Describe alternatives you've considered

The init_command parameter in mysql command line tool conflicts with -D parameter, it will return ( 5501, "Unknown database )

Additional context

nothing

[alvin-celerdata]

@gwy1995 You can use Alter User statement to set default catalog for particular users.
https://docs.starrocks.io/docs/sql-reference/sql-statements/account-management/ALTER_USER/

[gwy1995]

@gwy1995 You can use Alter User statement to set default catalog for particular users. https://docs.starrocks.io/docs/sql-reference/sql-statements/account-management/ALTER_USER/

Thank you for your help. This solved my problem to a certain extent, but there are still some problems. For example, I still cannot use the -D parameter of the mysql command line tool, and the error ERROR 5501 (3F000): Unknown database will still be reported.