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create/alter user extension
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
@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/alter_user.sgml,v 1.8 1999/07/22 15:09:06 thomas Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/alter_user.sgml,v 1.9 1999/11/30 03:57:22 momjian Exp $
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Postgres documentation
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-->
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@ -23,7 +23,10 @@ Postgres documentation
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<date>1999-07-20</date>
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</refsynopsisdivinfo>
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<synopsis>
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ALTER USER <replaceable class="PARAMETER">username</replaceable> [ WITH PASSWORD <replaceable class="PARAMETER">password</replaceable> ]
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ALTER USER <replaceable class="PARAMETER">username</replaceable>
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[ WITH
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[ SYSID <replaceable class="PARAMETER">uid</replaceable> ]
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[ PASSWORD <replaceable class="PARAMETER">password</replaceable> ] ]
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[ CREATEDB | NOCREATEDB ] [ CREATEUSER | NOCREATEUSER ]
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[ IN GROUP <replaceable class="PARAMETER">groupname</replaceable> [, ...] ]
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[ VALID UNTIL '<replaceable class="PARAMETER">abstime</replaceable>' ]
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@ -62,6 +65,22 @@ ALTER USER <replaceable class="PARAMETER">username</replaceable> [ WITH PASSWORD
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="parameter">uid</replaceable></term>
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<listitem>
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<para>
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The new <productname>PostgreSQL</productname> user id of the user.
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Since this number is used as a key into the
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<literal>pg_shadow</literal>/<literal>pg_user</literal> table
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throughout the system catalogs, it is not recommended that you change
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it unless the user in question does not own anything at all and/or
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you really know what you are doing. Note that it is not necessary that
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database and <acronym>UNIX</acronym> user ids match, but some people
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choose to keep the numbers the same.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="PARAMETER"> groupname </replaceable></term>
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<listitem>
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@ -130,9 +149,7 @@ ERROR: alterUser: user "username" does not exist
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<para>
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<command>ALTER USER</command> is used to change the attributes of a user's
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<productname>Postgres</productname> account.
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Please note that it is not possible
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to alter a user's "<literal>usesysid</literal>" via the alter user
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statement. Also, it is only possible for the
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Also, it is only possible for the
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<productname>Postgres</productname>
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user or any user with read and modify permissions on
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<literal>pg_shadow</literal> to alter user passwords.
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@ -161,9 +178,7 @@ ERROR: alterUser: user "username" does not exist
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to create or remove a user account.
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</para>
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<para>
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In the current release (v6.5), the IN GROUP clause is parsed
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but has no affect. When it is fully implemented, it is
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intended to modify the pg_group relation.
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The IN GROUP clause is not yet implemented.
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</para>
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</refsect2>
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</refsect1>
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@ -1,5 +1,5 @@
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<!--
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_user.sgml,v 1.9 1999/10/07 16:40:36 momjian Exp $
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$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_user.sgml,v 1.10 1999/11/30 03:57:23 momjian Exp $
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Postgres documentation
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-->
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@ -23,8 +23,10 @@ Postgres documentation
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<date>1999-07-20</date>
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</refsynopsisdivinfo>
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<synopsis>
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CREATE USER<replaceable class="PARAMETER"> username</replaceable>
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[ WITH PASSWORD <replaceable class="PARAMETER">password</replaceable> ]
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CREATE USER <replaceable class="PARAMETER">username</replaceable>
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[ WITH
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[ SYSID <replaceable class="PARAMETER">uid</replaceable> ]
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[ PASSWORD <replaceable class="PARAMETER">password</replaceable> ] ]
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[ CREATEDB | NOCREATEDB ] [ CREATEUSER | NOCREATEUSER ]
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[ IN GROUP <replaceable class="PARAMETER">groupname</replaceable> [, ...] ]
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[ VALID UNTIL '<replaceable class="PARAMETER">abstime</replaceable>' ]
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@ -49,11 +51,28 @@ CREATE USER<replaceable class="PARAMETER"> username</replaceable>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="parameter">uid</replaceable></term>
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<listitem>
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<para>
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The <literal>SYSID</literal> clause can be used to choose
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the <productname>PostgreSQL</productname> user id of the user
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that is being created. It is not at all necessary that those
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match the <acronym>UNIX</acronym> user ids, but some people
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choose to keep the numbers the same.
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</para>
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<para>
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If this is not specified, the highest assigned user id plus one
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will be used as default.
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</para>
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</listitem>
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</varlistentry>
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<varlistentry>
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<term><replaceable class="parameter">password</replaceable></term>
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<listitem>
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<para>
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The WITH PASSWORD clause sets the user's password within
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The PASSWORD clause sets the user's password within
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the "<filename>pg_shadow</filename>" table. For this reason,
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<filename>"pg_shadow</filename>" is no
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longer accessible to the instance of
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@ -173,30 +192,9 @@ CREATE USER
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</title>
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<para>
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CREATE USER will add a new user to an instance of
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<productname>Postgres</productname>.
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<productname>PostgreSQL</productname>.
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</para>
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<para>
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The new user will be given a <filename>usesysid</filename> of:
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<programlisting>
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SELECT MAX(usesysid) + 1 FROM pg_shadow;
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</programlisting>
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This means that
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<productname>Postgres</productname> users' <filename>usesysid</filename>s will not
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correspond to their operating
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system(OS) user ids. The exception to this rule is
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the <literal>postgres</literal> superuser, whose OS user id
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is used as the
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<filename>usesysid</filename> during the initdb process.
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If you still want the
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OS user id and the <filename>usesysid</filename> to match
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for any given user,
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use the <application>createuser</application> script provided with
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the <productname>Postgres</productname> distribution.
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</para>
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<refsect2 id="R2-SQL-CREATEUSER-3">
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<refsect2info>
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<date>1998-09-21</date>
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@ -216,19 +214,17 @@ SELECT MAX(usesysid) + 1 FROM pg_shadow;
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Refer to the <filename>pg_shadow</filename> table for further information.
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</para>
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<programlisting>
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Table = pg_shadow
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+--------------------------+--------------------------+-------+
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| Field | Type | Length|
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+--------------------------+--------------------------+-------+
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| usename | name | 32 |
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| usesysid | int4 | 4 |
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| usecreatedb | bool | 1 |
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| usetrace | bool | 1 |
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| usesuper | bool | 1 |
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| usecatupd | bool | 1 |
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| passwd | text | var |
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| valuntil | abstime | 4 |
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+--------------------------+--------------------------+-------+
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Table "pg_shadow"
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Attribute | Type | Extra
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-------------+---------+-------
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usename | name |
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usesysid | int4 |
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usecreatedb | bool |
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usetrace | bool |
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usesuper | bool |
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usecatupd | bool |
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passwd | text |
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valuntil | abstime |
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</programlisting>
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</refsect2>
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</refsect1>
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