Re: explain shows type = ALL for indexed column

2010-12-07 Thread Aaron Turner
Thanks Gavin. Rewriting the query to not use the subselect solved the problem! On Tue, Dec 7, 2010 at 11:33 AM, Gavin Towey wrote: > Mysql often handles subqueries poorly.  It's best to rewrite that as a JOIN > instead: > > http://dev.mysql.com/doc/refman/5.1/en/rewriting-subqueries.html > > If

RE: Bind-address use?

2010-12-07 Thread Gavin Towey
" intermittent connection problems (error 2013)" Look at SHOW PROCESSLIST; when you're having a connection problem. If you see lots of "unathenticated user" in the list, then it means you're having DNS problems. Typically the best way to handle this is to set skip-name-resolve, and using ip

RE: explain shows type = ALL for indexed column

2010-12-07 Thread Gavin Towey
Mysql often handles subqueries poorly. It's best to rewrite that as a JOIN instead: http://dev.mysql.com/doc/refman/5.1/en/rewriting-subqueries.html If you have further questions after doing that, show the table structures, the query, and the explain output. -Original Message- From: A

explain shows type = ALL for indexed column

2010-12-07 Thread Aaron Turner
Basically, I'm doing a: select FROM Database1.table1 WHERE indexed_field IN (Select field from Database2.table2, ); It's taking about 40sec to execute where table1 (InnoDB) only has about 33k records and my subselect is returning about 600 records. Explain shows that it's doing a type=ALL a

ошибка отчета в чате 78.29.2.28

2010-12-07 Thread гладских алексей
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Re: Bind-address use?

2010-12-07 Thread Claudio Nanni
if you dont specify it it will listen to all interfaces, and it is the standard option. you dont break anything. Claudio 2010/12/7 Machiel Richards > what will the effect be if we disable this option in the config file by > means of hashing out the option? > > will it break the database or

Re: Bind-address use?

2010-12-07 Thread Machiel Richards
what will the effect be if we disable this option in the config file by means of hashing out the option? will it break the database or just listen on any device? -Original Message- From: Claudio Nanni To: Machiel Richards Cc: mysql mailing list Subject: Re: Bind-address use? Date: Tue,

Re: Bind-address use?

2010-12-07 Thread Claudio Nanni
Hi, You may have multiple interfaces and each multiple ips (private or public). With bind-address you force mysql to listen to a specific ip address instead of any. In case you have both public and private ips, binding to the private, for example, prevents from connections from the internet. Just k

Bind-address use?

2010-12-07 Thread Machiel Richards
Hi All I am unable to find an answer on what the bind-address in mysql-5.1 actually does. From the config file it says that it provides the same function as the previous skip-networking function. However, let's say I configure the bind-adress value to the IP of the machin