diff options
Diffstat (limited to 'doc/src/sgml/ref/alter_function.sgml')
| -rw-r--r-- | doc/src/sgml/ref/alter_function.sgml | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/doc/src/sgml/ref/alter_function.sgml b/doc/src/sgml/ref/alter_function.sgml index a3dd38d2d4a..3f05216c078 100644 --- a/doc/src/sgml/ref/alter_function.sgml +++ b/doc/src/sgml/ref/alter_function.sgml @@ -1,5 +1,5 @@ <!-- -$PostgreSQL: pgsql/doc/src/sgml/ref/alter_function.sgml,v 1.9 2005/10/13 22:44:51 tgl Exp $ +$PostgreSQL: pgsql/doc/src/sgml/ref/alter_function.sgml,v 1.10 2005/11/01 21:09:50 tgl Exp $ PostgreSQL documentation --> @@ -149,8 +149,9 @@ where <replaceable class="PARAMETER">action</replaceable> is one of: <literal>CALLED ON NULL INPUT</literal> changes the function so that it will be invoked when some or all of its arguments are null. <literal>RETURNS NULL ON NULL INPUT</literal> or - <literal>STRICT</literal> changes the function so that it - always returns null if any of its arguments are null. See <xref + <literal>STRICT</literal> changes the function so that it is not + invoked if any of its arguments are null; instead, a null result + is assumed automatically. See <xref linkend="sql-createfunction"> for more information. </para> </listitem> @@ -164,8 +165,7 @@ where <replaceable class="PARAMETER">action</replaceable> is one of: <listitem> <para> Change the volatility of the function to the specified - type. See <xref linkend="sql-createfunction"> for more - information about function volatility. + setting. See <xref linkend="sql-createfunction"> for details. </para> </listitem> </varlistentry> @@ -233,7 +233,7 @@ ALTER FUNCTION sqrt(integer) SET SCHEMA maths; properties of a function to be modified, but does not provide the ability to rename a function, make a function a security definer, or change the owner, schema, or volatility of a function. The standard also - requires the <literal>RESTRICT</> key word; it is optional in + requires the <literal>RESTRICT</> key word, which is optional in <productname>PostgreSQL</>. </para> </refsect1> |