The easiest way is
ALTER TABLE table_name ENGINE = InnoDB;
If you use InnoDB engine you should not worry about locking tables, because this engine locks data by rows.
Frage
On my site I have a visitor's table with 10 million rows.
Every request to the site inserts row to the table, in case the table is locked (usually in optimize query) visitors can't get into the site
The table engine is MyISAM and I want to change it to InnoDB
I have few questions:
Lösung
The easiest way is
ALTER TABLE table_name ENGINE = InnoDB;
If you use InnoDB engine you should not worry about locking tables, because this engine locks data by rows.
Andere Tipps
oleksii.svarychevskyi is right, InnoDB uses row level locks, but if you do
ALTER TABLE table_name ENGINE = InnoDB;to change table_name from MyIsam to InnoDB, there will be a metadata locking (at table level) because the original table engine was MyIsam.