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Update documentation to reflect that standard PLs are now extensions.

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Recommend use of CREATE EXTENSION rather than plain CREATE LANGUAGE
where relevant.  Encourage PL authors to provide extension wrappers
for their PLs.
This commit is contained in:
Tom Lane
2011-03-05 01:08:38 -05:00
parent 63b656b7bf
commit c2903fb3d2
8 changed files with 52 additions and 18 deletions
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10
doc/src/sgml/plperl.sgml
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@@ -27,6 +27,7 @@
<para>
To install PL/Perl in a particular database, use
<literal>CREATE EXTENSION plperl</>, or from the shell command line use
<literal>createlang plperl <replaceable>dbname</></literal>.
</para>
@@ -127,9 +128,9 @@ $$ LANGUAGE plperl;
<note>
<para>
Arguments will be converted from the database's encoding to UTF-8
for use inside plperl, and then converted from UTF-8 back to the
database encoding upon return.
Arguments will be converted from the database's encoding to UTF-8
for use inside plperl, and then converted from UTF-8 back to the
database encoding upon return.
</para>
</note>
@@ -967,8 +968,7 @@ $$ LANGUAGE plperl;
mail. To handle these cases, PL/Perl can also be installed as an
<quote>untrusted</> language (usually called
<application>PL/PerlU</application><indexterm><primary>PL/PerlU</></indexterm>).
In this case the full Perl language is available. If the
<command>createlang</command> program is used to install the
In this case the full Perl language is available. When installing the
language, the language name <literal>plperlu</literal> will select
the untrusted PL/Perl variant.
</para>