[jnasby@pervasive.com: [BUGS] Race condition in dropdb;createdb] - Mailing list pgsql-hackers

From Jim C. Nasby
Subject [jnasby@pervasive.com: [BUGS] Race condition in dropdb;createdb]
Date
Msg-id 20051005194107.GD40138@pervasive.com
Whole thread Raw
Responses Re: [jnasby@pervasive.com: [BUGS] Race condition in dropdb;createdb]
List pgsql-hackers
Never got a reply on -bugs... do people think this is an issue?

----- Forwarded message from "Jim C. Nasby" <jnasby@pervasive.com> -----
decibel@phonebook.1[17:32]~:1%createdb test;
CREATE DATABASE
decibel@phonebook.1[17:32]~:2%dropdb test; createdb test;
DROP DATABASE
createdb: database creation failed: ERROR:  source database "template1"
is being accessed by other users
decibel@phonebook.1[17:32]~:3%

I realize that the changes made in 8.1 WRT using the postgres database
fix this particular case, but is there a bigger issue with there being a
race condition here? Presumably dropdb returns before the connection is
actually closed from the database's standpoint...
-- 
Jim C. Nasby, Sr. Engineering Consultant      jnasby@pervasive.com
Pervasive Software      http://pervasive.com    work: 512-231-6117
vcard: http://jim.nasby.net/pervasive.vcf       cell: 512-569-9461


pgsql-hackers by date:

Previous
From: "Qingqing Zhou"
Date:
Subject: Re: prefix btree implementation
Next
From: Andrej Ricnik-Bay
Date:
Subject: Re: [PERFORM] A Better External Sort?