diff options
Diffstat (limited to 'doc/src/sgml/ref/create_user_mapping.sgml')
| -rw-r--r-- | doc/src/sgml/ref/create_user_mapping.sgml | 12 |
1 files changed, 8 insertions, 4 deletions
diff --git a/doc/src/sgml/ref/create_user_mapping.sgml b/doc/src/sgml/ref/create_user_mapping.sgml index 6d40eaf936b..ab7ff7fdb10 100644 --- a/doc/src/sgml/ref/create_user_mapping.sgml +++ b/doc/src/sgml/ref/create_user_mapping.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/create_user_mapping.sgml,v 1.4 2009/02/27 07:20:00 petere Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/create_user_mapping.sgml,v 1.5 2009/06/18 14:34:36 petere Exp $ PostgreSQL documentation --> @@ -31,7 +31,10 @@ CREATE USER MAPPING FOR { <replaceable class="parameter">username</replaceable> <para> <command>CREATE USER MAPPING</command> defines a mapping of a user - to a foreign server. + to a foreign server. A user mapping typically encapsulates + connection information that a foreign-data wrapper uses together + with the information encapsulated be a foreign server to access an + external data resource. </para> <para> @@ -52,8 +55,9 @@ CREATE USER MAPPING FOR { <replaceable class="parameter">username</replaceable> <para> The name of an existing user that is mapped to foreign server. <literal>CURRENT_USER</> and <literal>USER</> match the name of - the current user. <literal>PUBLIC</> is used to match all - present and future user names in the system. + the current user. When <literal>PUBLIC</> is specified, a + so-called public mapping is created that is used when no + user-specific mapping is applicable. </para> </listitem> </varlistentry> |