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diff --git a/doc/src/sgml/html/sql-alterstatistics.html b/doc/src/sgml/html/sql-alterstatistics.html new file mode 100644 index 0000000..dd03c34 --- /dev/null +++ b/doc/src/sgml/html/sql-alterstatistics.html @@ -0,0 +1,46 @@ +<?xml version="1.0" encoding="UTF-8" standalone="no"?> +<!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>ALTER STATISTICS</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="sql-alterserver.html" title="ALTER SERVER" /><link rel="next" href="sql-altersubscription.html" title="ALTER SUBSCRIPTION" /></head><body id="docContent" class="container-fluid col-10"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="5" align="center">ALTER STATISTICS</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-alterserver.html" title="ALTER SERVER">Prev</a> </td><td width="10%" align="left"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><th width="60%" align="center">SQL Commands</th><td width="10%" align="right"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-altersubscription.html" title="ALTER SUBSCRIPTION">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-ALTERSTATISTICS"><div class="titlepage"></div><a id="id-1.9.3.32.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">ALTER STATISTICS</span></h2><p>ALTER STATISTICS — + change the definition of an extended statistics object + </p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis"> +ALTER STATISTICS <em class="replaceable"><code>name</code></em> OWNER TO { <em class="replaceable"><code>new_owner</code></em> | CURRENT_ROLE | CURRENT_USER | SESSION_USER } +ALTER STATISTICS <em class="replaceable"><code>name</code></em> RENAME TO <em class="replaceable"><code>new_name</code></em> +ALTER STATISTICS <em class="replaceable"><code>name</code></em> SET SCHEMA <em class="replaceable"><code>new_schema</code></em> +ALTER STATISTICS <em class="replaceable"><code>name</code></em> SET STATISTICS <em class="replaceable"><code>new_target</code></em> +</pre></div><div class="refsect1" id="id-1.9.3.32.5"><h2>Description</h2><p> + <code class="command">ALTER STATISTICS</code> changes the parameters of an existing + extended statistics object. Any parameters not specifically set in the + <code class="command">ALTER STATISTICS</code> command retain their prior settings. + </p><p> + You must own the statistics object to use <code class="command">ALTER STATISTICS</code>. + To change a statistics object's schema, you must also + have <code class="literal">CREATE</code> privilege on the new schema. + To alter the owner, you must also be a direct or indirect member of the new + owning role, and that role must have <code class="literal">CREATE</code> privilege on + the statistics object's schema. (These restrictions enforce that altering + the owner doesn't do anything you couldn't do by dropping and recreating + the statistics object. However, a superuser can alter ownership of any + statistics object anyway.) + </p></div><div class="refsect1" id="id-1.9.3.32.6"><h2>Parameters</h2><p> + </p><div class="variablelist"><dl class="variablelist"><dt><span class="term"><em class="replaceable"><code>name</code></em></span></dt><dd><p> + The name (optionally schema-qualified) of the statistics object to be + altered. + </p></dd><dt><span class="term"><em class="replaceable"><code>new_owner</code></em></span></dt><dd><p> + The user name of the new owner of the statistics object. + </p></dd><dt><span class="term"><em class="replaceable"><code>new_name</code></em></span></dt><dd><p> + The new name for the statistics object. + </p></dd><dt><span class="term"><em class="replaceable"><code>new_schema</code></em></span></dt><dd><p> + The new schema for the statistics object. + </p></dd><dt><span class="term"><em class="replaceable"><code>new_target</code></em></span></dt><dd><p> + The statistic-gathering target for this statistics object for subsequent + <a class="link" href="sql-analyze.html" title="ANALYZE"><code class="command">ANALYZE</code></a> operations. + The target can be set in the range 0 to 10000; alternatively, set it + to -1 to revert to using the maximum of the statistics target of the + referenced columns, if set, or the system default statistics + target (<a class="xref" href="runtime-config-query.html#GUC-DEFAULT-STATISTICS-TARGET">default_statistics_target</a>). + For more information on the use of statistics by the + <span class="productname">PostgreSQL</span> query planner, refer to + <a class="xref" href="planner-stats.html" title="14.2. Statistics Used by the Planner">Section 14.2</a>. + </p></dd></dl></div><p> + </p></div><div class="refsect1" id="id-1.9.3.32.7"><h2>Compatibility</h2><p> + There is no <code class="command">ALTER STATISTICS</code> command in the SQL standard. + </p></div><div class="refsect1" id="id-1.9.3.32.8"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createstatistics.html" title="CREATE STATISTICS"><span class="refentrytitle">CREATE STATISTICS</span></a>, <a class="xref" href="sql-dropstatistics.html" title="DROP STATISTICS"><span class="refentrytitle">DROP STATISTICS</span></a></span></div></div><div class="navfooter"><hr /><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="sql-alterserver.html" title="ALTER SERVER">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="sql-commands.html" title="SQL Commands">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="sql-altersubscription.html" title="ALTER SUBSCRIPTION">Next</a></td></tr><tr><td width="40%" align="left" valign="top">ALTER SERVER </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.4 Documentation">Home</a></td><td width="40%" align="right" valign="top"> ALTER SUBSCRIPTION</td></tr></table></div></body></html>
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