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NAME="VIEW-PG-USER-MAPPINGS"
>45.71. <TT
CLASS="STRUCTNAME"
>pg_user_mappings</TT
></A
></H1
><P
> The view <TT
CLASS="STRUCTNAME"
>pg_user_mappings</TT
> provides access
to information about user mappings. This is essentially a publicly
readable view of
<A
HREF="catalog-pg-user-mapping.html"
><TT
CLASS="STRUCTNAME"
>pg_user_mapping</TT
></A
>
that leaves out the options field if the user has no rights to use
it.
</P
><DIV
CLASS="TABLE"
><A
NAME="AEN95580"
></A
><P
><B
>Table 45-72. <TT
CLASS="STRUCTNAME"
>pg_user_mappings</TT
> Columns</B
></P
><TABLE
BORDER="1"
CLASS="CALSTABLE"
><COL><COL><COL><COL><THEAD
><TR
><TH
>Name</TH
><TH
>Type</TH
><TH
>References</TH
><TH
>Description</TH
></TR
></THEAD
><TBODY
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>umid</TT
></TD
><TD
><TT
CLASS="TYPE"
>oid</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-user-mapping.html"
><TT
CLASS="STRUCTNAME"
>pg_user_mapping</TT
></A
>.oid</TT
></TD
><TD
>OID of the user mapping</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>srvid</TT
></TD
><TD
><TT
CLASS="TYPE"
>oid</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-foreign-server.html"
><TT
CLASS="STRUCTNAME"
>pg_foreign_server</TT
></A
>.oid</TT
></TD
><TD
> The OID of the foreign server that contains this mapping
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>srvname</TT
></TD
><TD
><TT
CLASS="TYPE"
>name</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-foreign-server.html"
><TT
CLASS="STRUCTNAME"
>pg_foreign_server</TT
></A
>.srvname</TT
></TD
><TD
> Name of the foreign server
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>umuser</TT
></TD
><TD
><TT
CLASS="TYPE"
>oid</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-authid.html"
><TT
CLASS="STRUCTNAME"
>pg_authid</TT
></A
>.oid</TT
></TD
><TD
>OID of the local role being mapped, 0 if the user mapping is public</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>usename</TT
></TD
><TD
><TT
CLASS="TYPE"
>name</TT
></TD
><TD
> </TD
><TD
>Name of the local user to be mapped</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>umoptions</TT
></TD
><TD
><TT
CLASS="TYPE"
>text[]</TT
></TD
><TD
> </TD
><TD
> User mapping specific options, as <SPAN
CLASS="QUOTE"
>"keyword=value"</SPAN
> strings
</TD
></TR
></TBODY
></TABLE
></DIV
><P
> To protect password information stored as a user mapping option,
the <TT
CLASS="STRUCTFIELD"
>umoptions</TT
> column will read as null
unless one of the following applies:
<P
></P
></P><UL
><LI
><P
> current user is the user being mapped, and owns the server or
holds <TT
CLASS="LITERAL"
>USAGE</TT
> privilege on it
</P
></LI
><LI
><P
> current user is the server owner and mapping is for <TT
CLASS="LITERAL"
>PUBLIC</TT
>
</P
></LI
><LI
><P
> current user is a superuser
</P
></LI
></UL
><P>
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