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Document that utility commands such as DROP FUNCTION allow argument names

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and modes to be included when naming an existing function.
This commit is contained in:
Tom Lane
2005-05-26 20:05:03 +00:00
parent 1b3bb23cc8
commit 357ea45b57
5 changed files with 142 additions and 36 deletions
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50
doc/src/sgml/ref/alter_function.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_function.sgml,v 1.6 2005/03/14 00:19:36 neilc Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/alter_function.sgml,v 1.7 2005/05/26 20:05:03 tgl Exp $
PostgreSQL documentation
-->
@ -20,9 +20,12 @@ PostgreSQL documentation
<refsynopsisdiv>
<synopsis>
ALTER FUNCTION <replaceable>name</replaceable> ( [ <replaceable class="parameter">type</replaceable> [, ...] ] ) <replaceable class="PARAMETER">action</replaceable> [, ... ] [ RESTRICT ]
ALTER FUNCTION <replaceable>name</replaceable> ( [ <replaceable class="parameter">type</replaceable> [, ...] ] ) RENAME TO <replaceable>newname</replaceable>
ALTER FUNCTION <replaceable>name</replaceable> ( [ <replaceable class="parameter">type</replaceable> [, ...] ] ) OWNER TO <replaceable>newowner</replaceable>
ALTER FUNCTION <replaceable>name</replaceable> ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] )
<replaceable class="PARAMETER">action</replaceable> [, ... ] [ RESTRICT ]
ALTER FUNCTION <replaceable>name</replaceable> ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] )
RENAME TO <replaceable>newname</replaceable>
ALTER FUNCTION <replaceable>name</replaceable> ( [ [ <replaceable class="parameter">argmode</replaceable> ] [ <replaceable class="parameter">argname</replaceable> ] <replaceable class="parameter">argtype</replaceable> [, ...] ] )
OWNER TO <replaceable>newowner</replaceable>
where <replaceable class="PARAMETER">action</replaceable> is one of:
@ -55,10 +58,41 @@ where <replaceable class="PARAMETER">action</replaceable> is one of:
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">type</replaceable></term>
<term><replaceable class="parameter">argmode</replaceable></term>
<listitem>
<para>
The data type of an argument of the function.
The mode of an argument: either <literal>IN</>, <literal>OUT</>,
or <literal>INOUT</>. If omitted, the default is <literal>IN</>.
Note that <command>ALTER FUNCTION</command> does not actually pay
any attention to <literal>OUT</> arguments, since only the input
arguments are needed to determine the function's identity.
So it is sufficient to list the <literal>IN</> and <literal>INOUT</>
arguments.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">argname</replaceable></term>
<listitem>
<para>
The name of an argument.
Note that <command>ALTER FUNCTION</command> does not actually pay
any attention to argument names, since only the argument data
types are needed to determine the function's identity.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">argtype</replaceable></term>
<listitem>
<para>
The data type(s) of the function's arguments (optionally
schema-qualified), if any.
</para>
</listitem>
</varlistentry>
@ -116,8 +150,8 @@ where <replaceable class="PARAMETER">action</replaceable> is one of:
</varlistentry>
<varlistentry>
<term><literal><optional>EXTERNAL</optional> SECURITY INVOKER</literal></term>
<term><literal><optional>EXTERNAL</optional> SECURITY DEFINER</literal></term>
<term><literal><optional> EXTERNAL </optional> SECURITY INVOKER</literal></term>
<term><literal><optional> EXTERNAL </optional> SECURITY DEFINER</literal></term>
<listitem>
<para>