MySQL - List blocks

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With this select you can see if there a block in your MySQL Database.


SELECT
    pl.id
    ,pl.user
    ,pl.state
    ,it.trx_id
    ,it.trx_mysql_thread_id
    ,it.trx_query AS query
    ,it.trx_id AS blocking_trx_id
    ,it.trx_mysql_thread_id AS blocking_thread
    ,it.trx_query AS blocking_query
FROM information_schema.processlist AS pl
INNER JOIN information_schema.innodb_trx AS it
ON pl.id = it.trx_mysql_thread_id
INNER JOIN information_schema.innodb_lock_waits AS ilw
ON it.trx_id = ilw.requesting_trx_id
        AND it.trx_id = ilw.blocking_trx_id

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