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Displaying posts with tag: MySQL flush tables read lock (reset)

InnoDB show table status gets blocked
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Yesterday I was going through the locks related code; and found that in 5.0; when you have a global read lock; then the SHOW TABLE STATUS actually gets blocked when it had its own read lock on the new session; and this is not the case with MySQL 5.1

For example; lets execute the following set of statements in two sessions with MySQL 5.0 (latest bazaar version with InnoDB enabled):

Session 1:

mysql> use test;
Database changed
mysql> drop table if exists t1;
Query OK, 0 rows affected (0.07 sec)
mysql> create table test.t1(c1 int)Engine=InnoDB;
Query OK, 0 rows affected (0.00 sec) …
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