Not able to run ALTER query through logstash JDBC plugin

[rpraveenr (Praveen)]

I am not able to run ALTER queries on my Oracle database through Logstash. Below is the snippet from the config file:

input {
    jdbc {
        jdbc_validate_connection => true
        jdbc_driver_library => "ojdbc7.jar"
        jdbc_driver_class => "Java::oracle.jdbc.OracleDriver"
        jdbc_connection_string => "jdbc:oracle:thin:@<hostname>:<port>/<SID>"
        jdbc_user => "username"
        jdbc_password => "password"
        schedule => "48 11 * * thu"
        statement => "ALTER INDEX <tablename> REBUILD ONLINE"
    }
}

Getting error:
Exception when executing JDBC query {:exception=>Java::JavaSql::SQLRecoverableException, :message=>"Closed Connection"}

The same config is working fine if I run a select query and I am able to see the logs in Kibana. Also, I am able to execute the ALTER query through SQL Developer tool with same user that I am passing here. So this means there's no access related issues.

Is this even possible to run ALTER queries through Logstash? Not sure what I am missing here. Any help on this is appreciated. Thanks in advance.

[dadoonet (David Pilato)]

The jdbc input is meant to generate events from the database. Not to send admin commands. Why are you doing this?

[rpraveenr (Praveen)]

Due to some technical constraint on the infra where my database is created, I am not able to run these queries in an automated way through tools like Jenkins.
That's when I thought of exploring Logstash to achieve this. This is one of the few options that I have in mind.

Is it not possible at all through Logstash?

[dadoonet (David Pilato)]

That's not the tool for this IMHO. And I believe the error you are seeing here is similar to what you might be seeing from Jenkins or other tools like this.
You should better ask your DBA.

[rpraveenr (Praveen)]

Thanks for the reply. I shall check for another approach.