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Allow non-superuser database owners to create procedural languages.

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A DBA is allowed to create a language in his database if it's marked
"tmpldbacreate" in pg_pltemplate.  The factory default is that this is set
for all standard trusted languages, but of course a superuser may adjust
the settings.  In service of this, add the long-foreseen owner column to
pg_language; renaming, dropping, and altering owner of a PL now follow
normal ownership rules instead of being superuser-only.
Jeremy Drake, with some editorialization by Tom Lane.
This commit is contained in:
Tom Lane
2007-03-26 16:58:41 +00:00
parent 66daeb074b
commit 55a7cf80a0
17 changed files with 295 additions and 84 deletions
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20
doc/src/sgml/ref/create_language.sgml
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@ -1,5 +1,5 @@
<!--
$PostgreSQL: pgsql/doc/src/sgml/ref/create_language.sgml,v 1.43 2007/01/31 23:26:03 momjian Exp $
$PostgreSQL: pgsql/doc/src/sgml/ref/create_language.sgml,v 1.44 2007/03/26 16:58:38 tgl Exp $
PostgreSQL documentation
-->
@ -34,9 +34,7 @@ CREATE [ TRUSTED ] [ PROCEDURAL ] LANGUAGE <replaceable class="parameter">name</
<productname>PostgreSQL</productname> user can register a new
procedural language with a <productname>PostgreSQL</productname>
database. Subsequently, functions and trigger procedures can be
defined in this new language. The user must have the
<productname>PostgreSQL</productname> superuser privilege to
register a new language.
defined in this new language.
</para>
<para>
@ -64,6 +62,20 @@ CREATE [ TRUSTED ] [ PROCEDURAL ] LANGUAGE <replaceable class="parameter">name</
old dump files, which are likely to contain out-of-date information
about language support functions.
</para>
<para>
Ordinarily, the user must have the
<productname>PostgreSQL</productname> superuser privilege to
register a new language. However, the owner of a database can register
a new language within that database if the language is listed in
the <structname>pg_pltemplate</structname> catalog and is marked
as allowed to be created by database owners (<structfield>tmpldbacreate</>
is true). The default is that trusted languages can be created
by database owners, but this can be adjusted by superusers by modifying
the contents of <structname>pg_pltemplate</structname>.
The creator of a language becomes its owner and can later
drop it, rename it, or assign it to a new owner.
</para>
</refsect1>
<refsect1 id="sql-createlanguage-parameters">