Add tip about building plpython 2 and 3. Fix link to Python docs.

This commit is contained in:
Peter Eisentraut 2010-09-08 20:35:51 +00:00
parent 7cd082f907
commit 8586306048
2 changed files with 22 additions and 4 deletions

View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.351 2010/08/17 04:37:20 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/installation.sgml,v 1.352 2010/09/08 20:35:51 petere Exp $ -->
<chapter id="installation">
<title><![%standalone-include[<productname>PostgreSQL</>]]>
@ -1515,7 +1515,14 @@ su - postgres
<listitem>
<para>
Full path to the Python interpreter. This will be used to
determine the dependencies for building PL/Python.
determine the dependencies for building PL/Python. Also,
whether Python 2 or 3 is specified here (or otherwise
implicitly chosen) determines which variant of the PL/Python
language becomes available. See
<![%standalone-include[the <application>PL/Python</>
documentation]]>
<![%standalone-ignore[<xref linkend="plpython-python23">]]>
for more information.
</para>
</listitem>
</varlistentry>

View File

@ -1,4 +1,4 @@
<!-- $PostgreSQL: pgsql/doc/src/sgml/plpython.sgml,v 1.52 2010/08/05 18:36:33 petere Exp $ -->
<!-- $PostgreSQL: pgsql/doc/src/sgml/plpython.sgml,v 1.53 2010/09/08 20:35:51 petere Exp $ -->
<chapter id="plpython">
<title>PL/Python - Python Procedural Language</title>
@ -93,6 +93,17 @@
whether PL/Python for Python 2 or Python 3 or both are available.
</para>
<tip>
<para>
The built variant depends on which Python version was found during
the installation or which version was explicitly set using
the <envar>PYTHON</envar> environment variable;
see <xref linkend="install-procedure">. To make both variants of
PL/Python available in one installation, the source tree has to be
configured and built twice.
</para>
</tip>
<para>
This results in the following usage and migration strategy:
@ -148,7 +159,7 @@
<para>
See also the
document <ulink url="http://docs.python.org/dev/3.0/whatsnew/3.0.html">What's
document <ulink url="http://docs.python.org/py3k/whatsnew/3.0.html">What's
New In Python 3.0</ulink> for more information about porting to
Python 3.
</para>