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Remove the obsolete WITH clause of CREATE FUNCTION.

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This clause was superseded by SQL-standard syntax back in 7.3.
We've kept it around for backwards-compatibility purposes ever since;
but 15 years seems like long enough for that, especially seeing that
there are undocumented weirdnesses in how it interacts with the
SQL-standard syntax for specifying the same options.

Michael Paquier, per an observation by Daniel Gustafsson;
some small cosmetic adjustments to nearby code by me.

Discussion: https://postgr.es/m/20180115022748.GB1724@paquier.xyz
This commit is contained in:
Tom Lane
2018-01-26 12:25:44 -05:00
parent b0313f9cc8
commit 4971d2a322
6 changed files with 38 additions and 132 deletions
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36
doc/src/sgml/ref/create_function.sgml
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@ -37,7 +37,6 @@ CREATE [ OR REPLACE ] FUNCTION
| AS '<replaceable class="parameter">definition</replaceable>'
| AS '<replaceable class="parameter">obj_file</replaceable>', '<replaceable class="parameter">link_symbol</replaceable>'
} ...
[ WITH ( <replaceable class="parameter">attribute</replaceable> [, ...] ) ]
</synopsis>
</refsynopsisdiv>
@ -560,41 +559,6 @@ CREATE [ OR REPLACE ] FUNCTION
</listitem>
</varlistentry>
<varlistentry>
<term><replaceable class="parameter">attribute</replaceable></term>
<listitem>
<para>
The historical way to specify optional pieces of information
about the function. The following attributes can appear here:
<variablelist>
<varlistentry>
<term><literal>isStrict</literal></term>
<listitem>
<para>
Equivalent to <literal>STRICT</literal> or <literal>RETURNS NULL ON NULL INPUT</literal>.
</para>
</listitem>
</varlistentry>
<varlistentry>
<term><literal>isCachable</literal></term>
<listitem>
<para><literal>isCachable</literal> is an obsolete equivalent of
<literal>IMMUTABLE</literal>; it's still accepted for
backwards-compatibility reasons.
</para>
</listitem>
</varlistentry>
</variablelist>
Attribute names are not case-sensitive.
</para>
</listitem>
</varlistentry>
</variablelist>
<para>