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Re: Create Index Locking Question

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Mike C <smith(dot)not(dot)western(at)gmail(dot)com>
Cc: pgsql-admin(at)postgresql(dot)org
Subject: Re: Create Index Locking Question
Date: 2005-12-22 23:21:38
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-admin
Mike C <smith(dot)not(dot)western(at)gmail(dot)com> writes:
> I need to create a new index on an existing table. The table is constantly
> inserted into every second. Does CREATE INDEX require an exclusive write
> lock on the table? If it does have a write lock what happens to the insert
> statements at the time, are they simply played later or do they fail?

The inserting transactions are blocked until the CREATE INDEX is done.

			regards, tom lane

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