well from kb what i understand is:
to use unlock with innodb (the engine you use with both tables), you should SET innodb_table_locks=1; SET autocommit=0; after that any LOCK/UNLOCK with innodb tables inside a transaction will commit the transaction

try again using innodb_table_locks, and autocommit variables


2014-09-22 19:51 GMT-03:00 Federico Razzoli <federico_raz@yahoo.it>:
No, becuase the first test case I've posted shows that the reality is different... :)
I'm just asking to explain the exact interaction between trx and UNLOCK, because I need to know if statements I use are safe.

Federico


--------------------------------------------
Mar 23/9/14, Roberto Spadim <roberto@spadim.com.br> ha scritto:

 Oggetto: Re: [Maria-discuss] transactions and UNLOCK TABLES
 A: "Federico Razzoli" <federico_raz@yahoo.it>
 Cc: "Maria Discuss" <maria-discuss@lists.launchpad.net>, "maria-docs" <maria-docs@lists.launchpad.net>
 Data: Martedì 23 settembre 2014, 00:14

 better
 explained at mariadb kbhttps://mariadb.com/kb/en/mariadb/documentation/sql-commands/transactions/lock-tables-and-unlock-tables/#limitations
 ​

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--
Roberto Spadim
SPAEmpresarial
Eng. Automação e Controle