Re: [PERFORM] MySQL+InnoDB vs. PostgreSQL test? - Mailing list pgsql-advocacy

From Tom Lane
Subject Re: [PERFORM] MySQL+InnoDB vs. PostgreSQL test?
Date
Msg-id 11250.1075781322@sss.pgh.pa.us
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In response to Re: MySQL+InnoDB vs. PostgreSQL test?  (Josh Berkus <josh@agliodbs.com>)
List pgsql-advocacy
Josh Berkus <josh@agliodbs.com> writes:
>> Hey at least I noticed that InnoDB has one essential feature we don't:
>> SELECT ... IN SHARE MODE;
>>
>> Which does a shared lock on a row as opposed to a write lock, hence
>> avoiding nasty foreign key deadlocks...

> Um, wrong.   We don't lock rows for SELECT.

No, but Chris is correct that we could do with having some kind of
shared lock facility at the row level.

            regards, tom lane

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