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create/alter user extension

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This one should work much better than the one I sent in previously. The
functionality is the same, but the patch was missing one file resulting
in
the compilation failing. The docs also received a minor fix.

Peter Eisentraut                  Sernanders väg 10:115
This commit is contained in:
Bruce Momjian
1999-11-30 03:57:29 +00:00
parent 3ab5b1f1e6
commit eebfb9baa5
6 changed files with 208 additions and 105 deletions
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74
doc/src/sgml/ref/create_user.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_user.sgml,v 1.9 1999/10/07 16:40:36 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_user.sgml,v 1.10 1999/11/30 03:57:23 momjian Exp $
Postgres documentation
-->
@ -23,8 +23,10 @@ Postgres documentation
<date>1999-07-20</date>
</refsynopsisdivinfo>
<synopsis>
CREATE USER<replaceable class="PARAMETER"> username</replaceable>
[ WITH PASSWORD <replaceable class="PARAMETER">password</replaceable> ]
CREATE USER <replaceable class="PARAMETER">username</replaceable>
[ WITH
[ SYSID <replaceable class="PARAMETER">uid</replaceable> ]
[ PASSWORD <replaceable class="PARAMETER">password</replaceable> ] ]
[ CREATEDB | NOCREATEDB ] [ CREATEUSER | NOCREATEUSER ]
[ IN GROUP <replaceable class="PARAMETER">groupname</replaceable> [, ...] ]
[ VALID UNTIL '<replaceable class="PARAMETER">abstime</replaceable>' ]
@ -49,11 +51,28 @@ CREATE USER<replaceable class="PARAMETER"> username</replaceable>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">uid</replaceable></term>
<listitem>
<para>
The <literal>SYSID</literal> clause can be used to choose
the <productname>PostgreSQL</productname> user id of the user
that is being created. It is not at all necessary that those
match the <acronym>UNIX</acronym> user ids, but some people
choose to keep the numbers the same.
</para>
<para>
If this is not specified, the highest assigned user id plus one
will be used as default.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">password</replaceable></term>
<listitem>
<para>
The WITH PASSWORD clause sets the user's password within
The PASSWORD clause sets the user's password within
the "<filename>pg_shadow</filename>" table. For this reason,
<filename>"pg_shadow</filename>" is no
longer accessible to the instance of
@ -173,30 +192,9 @@ CREATE USER
</title>
<para>
CREATE USER will add a new user to an instance of
<productname>Postgres</productname>.
<productname>PostgreSQL</productname>.
</para>
<para>
The new user will be given a <filename>usesysid</filename> of:
<programlisting>
SELECT MAX(usesysid) + 1 FROM pg_shadow;
</programlisting>
This means that
<productname>Postgres</productname> users' <filename>usesysid</filename>s will not
correspond to their operating
system(OS) user ids. The exception to this rule is
the <literal>postgres</literal> superuser, whose OS user id
is used as the
<filename>usesysid</filename> during the initdb process.
If you still want the
OS user id and the <filename>usesysid</filename> to match
for any given user,
use the <application>createuser</application> script provided with
the <productname>Postgres</productname> distribution.
</para>
<refsect2 id="R2-SQL-CREATEUSER-3">
<refsect2info>
<date>1998-09-21</date>
@ -216,19 +214,17 @@ SELECT MAX(usesysid) + 1 FROM pg_shadow;
Refer to the <filename>pg_shadow</filename> table for further information.
</para>
<programlisting>
Table = pg_shadow
+--------------------------+--------------------------+-------+
| Field | Type | Length|
+--------------------------+--------------------------+-------+
| usename | name | 32 |
| usesysid | int4 | 4 |
| usecreatedb | bool | 1 |
| usetrace | bool | 1 |
| usesuper | bool | 1 |
| usecatupd | bool | 1 |
| passwd | text | var |
| valuntil | abstime | 4 |
+--------------------------+--------------------------+-------+
Table "pg_shadow"
Attribute | Type | Extra
-------------+---------+-------
usename | name |
usesysid | int4 |
usecreatedb | bool |
usetrace | bool |
usesuper | bool |
usecatupd | bool |
passwd | text |
valuntil | abstime |
</programlisting>
</refsect2>
</refsect1>