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diff --git a/doc/src/sgml/html/sql-alterprocedure.html b/doc/src/sgml/html/sql-alterprocedure.html new file mode 100644 index 0000000..80cffd1 --- /dev/null +++ b/doc/src/sgml/html/sql-alterprocedure.html @@ -0,0 +1,133 @@ +<?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 PROCEDURE</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-alterpolicy.html" title="ALTER POLICY" /><link rel="next" href="sql-alterpublication.html" title="ALTER PUBLICATION" /></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 PROCEDURE</th></tr><tr><td width="10%" align="left"><a accesskey="p" href="sql-alterpolicy.html" title="ALTER POLICY">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 15.5 Documentation">Home</a></td><td width="10%" align="right"> <a accesskey="n" href="sql-alterpublication.html" title="ALTER PUBLICATION">Next</a></td></tr></table><hr /></div><div class="refentry" id="SQL-ALTERPROCEDURE"><div class="titlepage"></div><a id="id-1.9.3.24.1" class="indexterm"></a><div class="refnamediv"><h2><span class="refentrytitle">ALTER PROCEDURE</span></h2><p>ALTER PROCEDURE — change the definition of a procedure</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="synopsis"> +ALTER PROCEDURE <em class="replaceable"><code>name</code></em> [ ( [ [ <em class="replaceable"><code>argmode</code></em> ] [ <em class="replaceable"><code>argname</code></em> ] <em class="replaceable"><code>argtype</code></em> [, ...] ] ) ] + <em class="replaceable"><code>action</code></em> [ ... ] [ RESTRICT ] +ALTER PROCEDURE <em class="replaceable"><code>name</code></em> [ ( [ [ <em class="replaceable"><code>argmode</code></em> ] [ <em class="replaceable"><code>argname</code></em> ] <em class="replaceable"><code>argtype</code></em> [, ...] ] ) ] + RENAME TO <em class="replaceable"><code>new_name</code></em> +ALTER PROCEDURE <em class="replaceable"><code>name</code></em> [ ( [ [ <em class="replaceable"><code>argmode</code></em> ] [ <em class="replaceable"><code>argname</code></em> ] <em class="replaceable"><code>argtype</code></em> [, ...] ] ) ] + OWNER TO { <em class="replaceable"><code>new_owner</code></em> | CURRENT_ROLE | CURRENT_USER | SESSION_USER } +ALTER PROCEDURE <em class="replaceable"><code>name</code></em> [ ( [ [ <em class="replaceable"><code>argmode</code></em> ] [ <em class="replaceable"><code>argname</code></em> ] <em class="replaceable"><code>argtype</code></em> [, ...] ] ) ] + SET SCHEMA <em class="replaceable"><code>new_schema</code></em> +ALTER PROCEDURE <em class="replaceable"><code>name</code></em> [ ( [ [ <em class="replaceable"><code>argmode</code></em> ] [ <em class="replaceable"><code>argname</code></em> ] <em class="replaceable"><code>argtype</code></em> [, ...] ] ) ] + [ NO ] DEPENDS ON EXTENSION <em class="replaceable"><code>extension_name</code></em> + +<span class="phrase">where <em class="replaceable"><code>action</code></em> is one of:</span> + + [ EXTERNAL ] SECURITY INVOKER | [ EXTERNAL ] SECURITY DEFINER + SET <em class="replaceable"><code>configuration_parameter</code></em> { TO | = } { <em class="replaceable"><code>value</code></em> | DEFAULT } + SET <em class="replaceable"><code>configuration_parameter</code></em> FROM CURRENT + RESET <em class="replaceable"><code>configuration_parameter</code></em> + RESET ALL +</pre></div><div class="refsect1" id="id-1.9.3.24.5"><h2>Description</h2><p> + <code class="command">ALTER PROCEDURE</code> changes the definition of a + procedure. + </p><p> + You must own the procedure to use <code class="command">ALTER PROCEDURE</code>. + To change a procedure'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 procedure's schema. (These restrictions enforce that altering the owner + doesn't do anything you couldn't do by dropping and recreating the procedure. + However, a superuser can alter ownership of any procedure anyway.) + </p></div><div class="refsect1" id="id-1.9.3.24.6"><h2>Parameters</h2><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 an existing procedure. If no + argument list is specified, the name must be unique in its schema. + </p></dd><dt><span class="term"><em class="replaceable"><code>argmode</code></em></span></dt><dd><p> + The mode of an argument: <code class="literal">IN</code>, <code class="literal">OUT</code>, + <code class="literal">INOUT</code>, or <code class="literal">VARIADIC</code>. If omitted, + the default is <code class="literal">IN</code>. + </p></dd><dt><span class="term"><em class="replaceable"><code>argname</code></em></span></dt><dd><p> + The name of an argument. + Note that <code class="command">ALTER PROCEDURE</code> does not actually pay + any attention to argument names, since only the argument data + types are used to determine the procedure's identity. + </p></dd><dt><span class="term"><em class="replaceable"><code>argtype</code></em></span></dt><dd><p> + The data type(s) of the procedure's arguments (optionally + schema-qualified), if any. + See <a class="xref" href="sql-dropprocedure.html" title="DROP PROCEDURE"><span class="refentrytitle">DROP PROCEDURE</span></a> for the details of how + the procedure is looked up using the argument data type(s). + </p></dd><dt><span class="term"><em class="replaceable"><code>new_name</code></em></span></dt><dd><p> + The new name of the procedure. + </p></dd><dt><span class="term"><em class="replaceable"><code>new_owner</code></em></span></dt><dd><p> + The new owner of the procedure. Note that if the procedure is + marked <code class="literal">SECURITY DEFINER</code>, it will subsequently + execute as the new owner. + </p></dd><dt><span class="term"><em class="replaceable"><code>new_schema</code></em></span></dt><dd><p> + The new schema for the procedure. + </p></dd><dt><span class="term"><em class="replaceable"><code>extension_name</code></em></span></dt><dd><p> + This form marks the procedure as dependent on the extension, or no longer + dependent on the extension if <code class="literal">NO</code> is specified. + A procedure that's marked as dependent on an extension is dropped when the + extension is dropped, even if cascade is not specified. + A procedure can depend upon multiple extensions, and will be dropped when + any one of those extensions is dropped. + </p></dd><dt><span class="term"><code class="literal">[<span class="optional"> EXTERNAL </span>] SECURITY INVOKER</code><br /></span><span class="term"><code class="literal">[<span class="optional"> EXTERNAL </span>] SECURITY DEFINER</code></span></dt><dd><p> + Change whether the procedure is a security definer or not. The + key word <code class="literal">EXTERNAL</code> is ignored for SQL + conformance. See <a class="xref" href="sql-createprocedure.html" title="CREATE PROCEDURE"><span class="refentrytitle">CREATE PROCEDURE</span></a> for more information about + this capability. + </p></dd><dt><span class="term"><em class="replaceable"><code>configuration_parameter</code></em><br /></span><span class="term"><em class="replaceable"><code>value</code></em></span></dt><dd><p> + Add or change the assignment to be made to a configuration parameter + when the procedure is called. If + <em class="replaceable"><code>value</code></em> is <code class="literal">DEFAULT</code> + or, equivalently, <code class="literal">RESET</code> is used, the procedure-local + setting is removed, so that the procedure executes with the value + present in its environment. Use <code class="literal">RESET + ALL</code> to clear all procedure-local settings. + <code class="literal">SET FROM CURRENT</code> saves the value of the parameter that + is current when <code class="command">ALTER PROCEDURE</code> is executed as the value + to be applied when the procedure is entered. + </p><p> + See <a class="xref" href="sql-set.html" title="SET"><span class="refentrytitle">SET</span></a> and + <a class="xref" href="runtime-config.html" title="Chapter 20. Server Configuration">Chapter 20</a> + for more information about allowed parameter names and values. + </p></dd><dt><span class="term"><code class="literal">RESTRICT</code></span></dt><dd><p> + Ignored for conformance with the SQL standard. + </p></dd></dl></div></div><div class="refsect1" id="id-1.9.3.24.7"><h2>Examples</h2><p> + To rename the procedure <code class="literal">insert_data</code> with two arguments + of type <code class="type">integer</code> to <code class="literal">insert_record</code>: +</p><pre class="programlisting"> +ALTER PROCEDURE insert_data(integer, integer) RENAME TO insert_record; +</pre><p> + </p><p> + To change the owner of the procedure <code class="literal">insert_data</code> with + two arguments of type <code class="type">integer</code> to <code class="literal">joe</code>: +</p><pre class="programlisting"> +ALTER PROCEDURE insert_data(integer, integer) OWNER TO joe; +</pre><p> + </p><p> + To change the schema of the procedure <code class="literal">insert_data</code> with + two arguments of type <code class="type">integer</code> + to <code class="literal">accounting</code>: +</p><pre class="programlisting"> +ALTER PROCEDURE insert_data(integer, integer) SET SCHEMA accounting; +</pre><p> + </p><p> + To mark the procedure <code class="literal">insert_data(integer, integer)</code> as + being dependent on the extension <code class="literal">myext</code>: +</p><pre class="programlisting"> +ALTER PROCEDURE insert_data(integer, integer) DEPENDS ON EXTENSION myext; +</pre><p> + </p><p> + To adjust the search path that is automatically set for a procedure: +</p><pre class="programlisting"> +ALTER PROCEDURE check_password(text) SET search_path = admin, pg_temp; +</pre><p> + </p><p> + To disable automatic setting of <code class="varname">search_path</code> for a procedure: +</p><pre class="programlisting"> +ALTER PROCEDURE check_password(text) RESET search_path; +</pre><p> + The procedure will now execute with whatever search path is used by its + caller. + </p></div><div class="refsect1" id="id-1.9.3.24.8"><h2>Compatibility</h2><p> + This statement is partially compatible with the <code class="command">ALTER + PROCEDURE</code> statement in the SQL standard. The standard allows more + properties of a procedure to be modified, but does not provide the + ability to rename a procedure, make a procedure a security definer, + attach configuration parameter values to a procedure, + or change the owner, schema, or volatility of a procedure. The standard also + requires the <code class="literal">RESTRICT</code> key word, which is optional in + <span class="productname">PostgreSQL</span>. + </p></div><div class="refsect1" id="id-1.9.3.24.9"><h2>See Also</h2><span class="simplelist"><a class="xref" href="sql-createprocedure.html" title="CREATE PROCEDURE"><span class="refentrytitle">CREATE PROCEDURE</span></a>, <a class="xref" href="sql-dropprocedure.html" title="DROP PROCEDURE"><span class="refentrytitle">DROP PROCEDURE</span></a>, <a class="xref" href="sql-alterfunction.html" title="ALTER FUNCTION"><span class="refentrytitle">ALTER FUNCTION</span></a>, <a class="xref" href="sql-alterroutine.html" title="ALTER ROUTINE"><span class="refentrytitle">ALTER ROUTINE</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-alterpolicy.html" title="ALTER POLICY">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-alterpublication.html" title="ALTER PUBLICATION">Next</a></td></tr><tr><td width="40%" align="left" valign="top">ALTER POLICY </td><td width="20%" align="center"><a accesskey="h" href="index.html" title="PostgreSQL 15.5 Documentation">Home</a></td><td width="40%" align="right" valign="top"> ALTER PUBLICATION</td></tr></table></div></body></html>
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