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><H1
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><A
NAME="VIEW-PG-SHADOW"
>45.65. <TT
CLASS="STRUCTNAME"
>pg_shadow</TT
></A
></H1
><P
>   The view <TT
CLASS="STRUCTNAME"
>pg_shadow</TT
> exists for backwards
   compatibility: it emulates a catalog that existed in
   <SPAN
CLASS="PRODUCTNAME"
>PostgreSQL</SPAN
> before version 8.1.
   It shows properties of all roles that are marked as
   <TT
CLASS="STRUCTFIELD"
>rolcanlogin</TT
> in
   <A
HREF="catalog-pg-authid.html"
><TT
CLASS="STRUCTNAME"
>pg_authid</TT
></A
>.
  </P
><P
>   The name stems from the fact that this table
   should not be readable by the public since it contains passwords.
   <A
HREF="view-pg-user.html"
><TT
CLASS="STRUCTNAME"
>pg_user</TT
></A
>
   is a publicly readable view on
   <TT
CLASS="STRUCTNAME"
>pg_shadow</TT
> that blanks out the password field.
  </P
><DIV
CLASS="TABLE"
><A
NAME="AEN95101"
></A
><P
><B
>Table 45-66. <TT
CLASS="STRUCTNAME"
>pg_shadow</TT
> Columns</B
></P
><TABLE
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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"
>usename</TT
></TD
><TD
><TT
CLASS="TYPE"
>name</TT
></TD
><TD
><TT
CLASS="LITERAL"
><A
HREF="catalog-pg-authid.html"
><TT
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>pg_authid</TT
></A
>.rolname</TT
></TD
><TD
>User name</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>usesysid</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
>ID of this user</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>usecreatedb</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>User can create databases</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>usesuper</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>User is a superuser</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>usecatupd</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>       User can update system catalogs.  (Even a superuser cannot do
       this unless this column is true.)
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>userepl</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
>&nbsp;</TD
><TD
>       User can initiate streaming replication and put the system in and
       out of backup mode.
      </TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>passwd</TT
></TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
>&nbsp;</TD
><TD
>Password (possibly encrypted); null if none.  See
      <A
HREF="catalog-pg-authid.html"
><TT
CLASS="STRUCTNAME"
>pg_authid</TT
></A
>
      for details of how encrypted passwords are stored.</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>valuntil</TT
></TD
><TD
><TT
CLASS="TYPE"
>abstime</TT
></TD
><TD
>&nbsp;</TD
><TD
>Password expiry time (only used for password authentication)</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>useconfig</TT
></TD
><TD
><TT
CLASS="TYPE"
>text[]</TT
></TD
><TD
>&nbsp;</TD
><TD
>Session defaults for run-time configuration variables</TD
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