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Revise handling of oldstyle/newstyle functions per recent discussions

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in pghackers list.  Support for oldstyle internal functions is gone
(no longer needed, since conversion is complete) and pg_language entry
'internal' now implies newstyle call convention.  pg_language entry
'newC' is gone; both old and newstyle dynamically loaded C functions
are now called language 'C'.  A newstyle function must be identified
by an associated info routine.  See src/backend/utils/fmgr/README.
This commit is contained in:
Tom Lane
2000-11-20 20:36:57 +00:00
parent 99198ac6b8
commit 5bb2300b59
52 changed files with 571 additions and 328 deletions
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7
doc/src/sgml/ref/create_function.sgml
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@ -1,5 +1,5 @@
<!--
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_function.sgml,v 1.19 2000/11/02 19:26:44 momjian Exp $
$Header: /cvsroot/pgsql/doc/src/sgml/ref/create_function.sgml,v 1.20 2000/11/20 20:36:46 tgl Exp $
Postgres documentation
-->
@ -119,8 +119,7 @@ CREATE FUNCTION <replaceable class="parameter">name</replaceable> ( [ <replaceab
<listitem>
<para>
May be '<literal>sql</literal>',
'<literal>C</literal>', '<literal>newC</literal>',
'<literal>internal</literal>', '<literal>newinternal</literal>',
'<literal>C</literal>', '<literal>internal</literal>',
or '<replaceable class="parameter">plname</replaceable>',
where '<replaceable class="parameter">plname</replaceable>'
is the name of a created procedural language. See
@ -258,7 +257,7 @@ CREATE
</para>
<para>
Two <literal>internal</literal> or <literal>newinternal</literal>
Two <literal>internal</literal>
functions cannot have the same C name without causing
errors at link time. To get around that, give them different C names
(for example, use the argument types as part of the C names), then