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<body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="sect1" lang="en">
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<div class="titlepage"><div><div><h2 class="title" style="clear: both">
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<a name="view-pg-roles"></a>42.39.�<code class="structname">pg_roles</code></h2></div></div></div>
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<a name="id832014"></a><p> The view <code class="structname">pg_roles</code> provides access to
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information about database roles. This is simply a publicly
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<a href="catalog-pg-authid.html" title="42.8.�pg_authid"><code class="structname">pg_authid</code></a>
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that blanks out the password field.
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<p> This view explicitly exposes the OID column of the underlying table,
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since that is needed to do joins to other catalogs.
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<a name="id832049"></a><p class="title"><b>Table�42.39.�<code class="structname">pg_roles</code> Columns</b></p>
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<div class="table-contents"><table summary="pg_roles Columns" border="1">
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<td><code class="structfield">rolname</code></td>
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<td><code class="type">name</code></td>
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<td><code class="structfield">rolsuper</code></td>
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<td><code class="type">bool</code></td>
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<td>Role has superuser privileges</td>
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<td><code class="structfield">rolinherit</code></td>
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<td><code class="type">bool</code></td>
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<td>Role automatically inherits privileges of roles it is a
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<td><code class="structfield">rolcreaterole</code></td>
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<td><code class="type">bool</code></td>
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<td>Role may create more roles</td>
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<td><code class="structfield">rolcreatedb</code></td>
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<td><code class="type">bool</code></td>
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<td>Role may create databases</td>
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<td><code class="structfield">rolcatupdate</code></td>
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<td><code class="type">bool</code></td>
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<td> Role may update system catalogs directly. (Even a superuser may not do
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this unless this column is true.)
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<td><code class="structfield">rolcanlogin</code></td>
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<td><code class="type">bool</code></td>
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<td> Role may log in, that is, this role can be given as the initial
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session authorization identifier.
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<td><code class="structfield">rolconnlimit</code></td>
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<td><code class="type">int4</code></td>
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<td> For roles that can log in, this sets maximum number of concurrent
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connections this role can make. -1 means no limit.
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<td><code class="structfield">rolpassword</code></td>
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<td><code class="type">text</code></td>
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<td>Not the password (always reads as <code class="literal">********</code>)</td>
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<td><code class="structfield">rolvaliduntil</code></td>
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<td><code class="type">timestamptz</code></td>
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<td>Password expiry time (only used for password authentication);
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NULL if no expiration</td>
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<td><code class="structfield">rolconfig</code></td>
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<td><code class="type">text[]</code></td>
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<td>Session defaults for run-time configuration variables</td>
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<td><code class="structfield">oid</code></td>
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<td><code class="type">oid</code></td>
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<td><code class="literal"><a href="catalog-pg-authid.html" title="42.8.�pg_authid"><code class="structname">pg_authid</code></a>.oid</code></td>
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