Baron,
I am using 5.0.37.
While it may be true that there is a bug that shows tables as being locked
when they really aren't, I do not think that applies here. I do know that
when a table shows a status of 'Locked' in the Navicat Server Monitor that
the transaction which created and is processing the query comes to a
complete stop until the report query (the one I am trying to straighten out
or understand) is finished. For example, the report query is reading from
several files, e.g., receipt_master, if a user tries to check out (which
requires an insert into the receipt_master table), they are stopped until
the report query finishes and query on that table shows in Navicat as
waiting for lock ('Locked'.)
Since the report query is only reading data, I am puzzled why it locks the
tables. Any ideas?
TIA,
Carl
----- Original Message -----
From: "Baron Schwartz" <ba...@xaprb.com>
To: "Carl" <c...@etrak-plus.com>
Cc: <mysql@lists.mysql.com>
Sent: Wednesday, March 04, 2009 2:29 PM
Subject: Re: Select query locks tables in Innodb
Carl,
Locked status in SHOW PROCESSLIST and a table being locked are
different. There is a bug in MySQL that shows Locked status for
queries accessing InnoDB tables in some cases. What version of MySQL
are you using?
The table is not really locked, you're just seeing that as a side
effect of whatever's really happening.
Baron
On Wed, Mar 4, 2009 at 2:01 PM, Carl <c...@etrak-plus.com> wrote:
I did check that all tables are Innodb.
I was using the Navicat Server Monitor because I know that when I see the
monitor reporting a status of locked during an attempted query, that user
comes to a complete halt until the lock is cleared (usually by the bad
query
finishing.)
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