Posts tagged innoDB

MySQL: Check used storage engine

posted on 2015-07-13 15:32:01

Something to copy paste, in case you already have a .my.cnf for your root user with his password.

This only for tables you created:

less < <({ for i in $(mysql -e "show databases;" | cat | grep -v -e Database -e information_schema -e mysql -e performance_schema); do echo "--------------------$i--------------------";  mysql -e "use $i; show table status;"; done } | column -t)

This will show all tables, including the mysql ones:

less < <({ for i in $(mysql -e "show databases;" | cat | grep -v -e Database); do echo "--------------------$i--------------------";  mysql -e "use $i; show table status;"; done } | column -t)

To make it a little more readable, hitting -S in less turns or wordwrapping in less. Thus the lines which are too long are simply cut.

In a little more detail, this cannot be copy pasted in this form as it's missing the line break escapes, sorry this time not:

less < <(
            { 
                for i in $(mysql -e "show databases;" | 
                cat | 
                grep -v -e Database -e information_schema -e mysql -e performance_schema);
                do echo "--------------------$i--------------------"; 
                    mysql -e "use $i; show table status;";
                done 
            } | 
            column -t
        )

The cat piping is needed so the output will be without borders. I honestly have no idea why this cat here works the way it does. :)

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