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Make the world somewhat safe for (not from) DELETE FROM pg_shadow;

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Assign the fixed user id 1 to the user created by initdb.
A stand-alone backend will always set the user id to 1.
(Consequently, the name of that user is no longer important.)

In stand-alone mode, the user id 1 will have implicit superuser
status, to allow repairs even if there are no users defined.

Print a warning message when starting in stand-alone mode when no
users are defined.

Disallow dropping the current user and session user.

Granting/revoking superuser status also grants/revokes usecatupd.
(Previously, it would never grant it back.  This could lead to "deadlocks".)

CREATE USER and CREATE GROUP will start allocating user ids at 100
(unless explicitly specified), to prevent accidental creation of a
superuser (plus some room for future extensions).
This commit is contained in:
Peter Eisentraut
2001-09-08 15:24:00 +00:00
parent fdbf796f36
commit c0d4d5473a
12 changed files with 191 additions and 100 deletions
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3
src/include/miscadmin.h
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@ -12,7 +12,7 @@
* Portions Copyright (c) 1996-2001, PostgreSQL Global Development Group
* Portions Copyright (c) 1994, Regents of the University of California
*
* $Id: miscadmin.h,v 1.89 2001/08/15 18:42:15 momjian Exp $
* $Id: miscadmin.h,v 1.90 2001/09/08 15:24:00 petere Exp $
*
* NOTES
* some of the information in this file should be moved to
@ -211,6 +211,7 @@ extern void SetUserId(Oid userid);
extern Oid GetSessionUserId(void);
extern void SetSessionUserId(Oid userid);
extern void InitializeSessionUserId(const char *username);
extern void InitializeSessionUserIdStandalone(void);
extern void SetSessionAuthorization(const char *username);
extern void SetDataDir(const char *dir);