The following bug has been logged online: Bug reference: 5950 Logged by: alex Email address: perepelica.a...@gmail.com PostgreSQL version: 9.0.3 Operating system: archlinux x86_64 Description: backend terminating after altering table Details:
Such steps: 1. create table t ( ); 2. alter table t add childs t; 3. alter table t add id serial not null primary key; This messages from psql: NOTICE: ALTER TABLE will create implicit sequence "t_id_seq" for serial column "t.id" NOTICE: ALTER TABLE / ADD PRIMARY KEY will create implicit index "t_pkey" for table "t" server closed the connection unexpectedly This probably means the server terminated abnormally before or while processing the request. The connection to the server was lost. Attempting reset: Failed. backend - terminated -- Sent via pgsql-bugs mailing list (pgsql-bugs@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-bugs