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><A
NAME="VIEW-PG-ROLES"
>45.61. <TT
CLASS="STRUCTNAME"
>pg_roles</TT
></A
></H1
><P
> The view <TT
CLASS="STRUCTNAME"
>pg_roles</TT
> provides access to
information about database roles. This is simply a publicly
readable view of
<A
HREF="catalog-pg-authid.html"
><TT
CLASS="STRUCTNAME"
>pg_authid</TT
></A
>
that blanks out the password field.
</P
><P
> This view explicitly exposes the OID column of the underlying table,
since that is needed to do joins to other catalogs.
</P
><DIV
CLASS="TABLE"
><A
NAME="AEN94639"
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><P
><B
>Table 45-62. <TT
CLASS="STRUCTNAME"
>pg_roles</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"
>rolname</TT
></TD
><TD
><TT
CLASS="TYPE"
>name</TT
></TD
><TD
> </TD
><TD
>Role name</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolsuper</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
>Role has superuser privileges</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolinherit</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
>Role automatically inherits privileges of roles it is a
member of</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolcreaterole</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
>Role can create more roles</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolcreatedb</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
>Role can create databases</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolcatupdate</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
> Role can update system catalogs directly. (Even a superuser cannot do
this unless this column is true)
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolcanlogin</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
> Role can log in. That is, this role can be given as the initial
session authorization identifier
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolreplication</TT
></TD
><TD
><TT
CLASS="TYPE"
>bool</TT
></TD
><TD
> </TD
><TD
> Role is a replication role. That is, this role can initiate streaming
replication (see <A
HREF="warm-standby.html#STREAMING-REPLICATION"
>Section 25.2.5</A
>) and set/unset
the system backup mode using <CODE
CLASS="FUNCTION"
>pg_start_backup</CODE
> and
<CODE
CLASS="FUNCTION"
>pg_stop_backup</CODE
>
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolconnlimit</TT
></TD
><TD
><TT
CLASS="TYPE"
>int4</TT
></TD
><TD
> </TD
><TD
> For roles that can log in, this sets maximum number of concurrent
connections this role can make. -1 means no limit.
</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolpassword</TT
></TD
><TD
><TT
CLASS="TYPE"
>text</TT
></TD
><TD
> </TD
><TD
>Not the password (always reads as <TT
CLASS="LITERAL"
>********</TT
>)</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolvaliduntil</TT
></TD
><TD
><TT
CLASS="TYPE"
>timestamptz</TT
></TD
><TD
> </TD
><TD
>Password expiry time (only used for password authentication);
null if no expiration</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>rolconfig</TT
></TD
><TD
><TT
CLASS="TYPE"
>text[]</TT
></TD
><TD
> </TD
><TD
>Role-specific defaults for run-time configuration variables</TD
></TR
><TR
><TD
><TT
CLASS="STRUCTFIELD"
>oid</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 role</TD
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