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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
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><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
>&nbsp;</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
>&nbsp;</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>
  </P
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