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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"><html xmlns="http://www.w3.org/1999/xhtml"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /><title>54.23. pg_sequences</title><link rel="stylesheet" type="text/css" href="stylesheet.css" /><link rev="made" href="pgsql-docs@lists.postgresql.org" /><meta name="generator" content="DocBook XSL Stylesheets Vsnapshot" /><link rel="prev" href="view-pg-seclabels.html" title="54.22. pg_seclabels" /><link rel="next" href="view-pg-settings.html" title="54.24. pg_settings" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">54.23. <code class="structname">pg_sequences</code></th></tr><tr><td width="10%" align="left"><a accesskey="p" href="view-pg-seclabels.html" title="54.22. pg_seclabels">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="views.html" title="Chapter 54. System Views">Up</a></td><th width="60%" align="center">Chapter 54. System Views</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="view-pg-settings.html" title="54.24. pg_settings">Next</a></td></tr></table><hr /></div><div class="sect1" id="VIEW-PG-SEQUENCES"><div class="titlepage"><div><div><h2 class="title" style="clear: both">54.23. <code class="structname">pg_sequences</code></h2></div></div></div><a id="id-1.10.5.27.2" class="indexterm"></a><p>
The view <code class="structname">pg_sequences</code> provides access to
useful information about each sequence in the database.
</p><div class="table" id="id-1.10.5.27.4"><p class="title"><strong>Table 54.23. <code class="structname">pg_sequences</code> Columns</strong></p><div class="table-contents"><table class="table" summary="pg_sequences Columns" border="1"><colgroup><col /></colgroup><thead><tr><th class="catalog_table_entry"><p class="column_definition">
Column Type
</p>
<p>
Description
</p></th></tr></thead><tbody><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">schemaname</code> <code class="type">name</code>
(references <a class="link" href="catalog-pg-namespace.html" title="53.32. pg_namespace"><code class="structname">pg_namespace</code></a>.<code class="structfield">nspname</code>)
</p>
<p>
Name of schema containing sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">sequencename</code> <code class="type">name</code>
(references <a class="link" href="catalog-pg-class.html" title="53.11. pg_class"><code class="structname">pg_class</code></a>.<code class="structfield">relname</code>)
</p>
<p>
Name of sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">sequenceowner</code> <code class="type">name</code>
(references <a class="link" href="catalog-pg-authid.html" title="53.8. pg_authid"><code class="structname">pg_authid</code></a>.<code class="structfield">rolname</code>)
</p>
<p>
Name of sequence's owner
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">data_type</code> <code class="type">regtype</code>
(references <a class="link" href="catalog-pg-type.html" title="53.64. pg_type"><code class="structname">pg_type</code></a>.<code class="structfield">oid</code>)
</p>
<p>
Data type of the sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">start_value</code> <code class="type">int8</code>
</p>
<p>
Start value of the sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">min_value</code> <code class="type">int8</code>
</p>
<p>
Minimum value of the sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">max_value</code> <code class="type">int8</code>
</p>
<p>
Maximum value of the sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">increment_by</code> <code class="type">int8</code>
</p>
<p>
Increment value of the sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">cycle</code> <code class="type">bool</code>
</p>
<p>
Whether the sequence cycles
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">cache_size</code> <code class="type">int8</code>
</p>
<p>
Cache size of the sequence
</p></td></tr><tr><td class="catalog_table_entry"><p class="column_definition">
<code class="structfield">last_value</code> <code class="type">int8</code>
</p>
<p>
The last sequence value written to disk. If caching is used,
this value can be greater than the last value handed out from the
sequence. Null if the sequence has not been read from yet. Also, if
the current user does not have <code class="literal">USAGE</code>
or <code class="literal">SELECT</code> privilege on the sequence, the value is
null.
</p></td></tr></tbody></table></div></div><br class="table-break" /></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="view-pg-seclabels.html" title="54.22. pg_seclabels">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="views.html" title="Chapter 54. System Views">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="view-pg-settings.html" title="54.24. pg_settings">Next</a></td></tr><tr><td width="40%" align="left" valign="top">54.22. <code class="structname">pg_seclabels</code> </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.7 Documentation">Home</a></td><td width="40%" align="right" valign="top"> 54.24. <code class="structname">pg_settings</code></td></tr></table></div></body></html>
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