how to add a new column to system table - Mailing list pgsql-general

From xiapw
Subject how to add a new column to system table
Date
Msg-id 000e01c60c57$52c5f170$4503a8c0@sting
Whole thread Raw
Responses Re: how to add a new column to system table
List pgsql-general
I wanted to add a new column to system table(pg_database),but failed at last. Who know how to do this and can you tell me ?

pgsql-general by date:

Previous
From: Vilen Tambovtsev
Date:
Subject: Re: DB crash after disk full
Next
From: "surabhi.ahuja"
Date:
Subject: a few questions