Re: add primary key doesn't block?

Jaime Casanova <jcasanov@systemguards.com.ec> writes:
> When we perform a test migration of the data we found some errors on
> the logs, one of them is this one:

> """
> mic=# ALTER TABLE tcom_invitacion ADD primary key (id_invitacion);
> NOTICE:  ALTER TABLE / ADD PRIMARY KEY will create implicit index
> "tcom_invitacion_pkey" for table "tcom_invitacion"
> ERROR:  concurrent insert in progress
> """

Can you provide a reproducible test case?

            regards, tom lane