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Document that Python 2.3 requires cdecimal module for full functionality.

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This has been true for some time, but we were leaving users to discover it
the hard way.

Back-patch to 9.2.  It might've been true before that, but we were claiming
Python 2.2 compatibility before that, so I won't guess at the exact
requirements back then.
This commit is contained in:
Tom Lane 2014-03-26 22:43:22 -04:00
parent 7e4d1600a6
commit f3cfc23195
1 changed files with 6 additions and 2 deletions
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8
doc/src/sgml/installation.sgml
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@ -203,8 +203,12 @@ su - postgres
language, you need a <productname>Python</productname>
installation with the header files and
the <application>distutils</application> module. The minimum
required version is <productname>Python</productname>
2.3. <productname>Python 3</productname> is supported if it's
required version is <productname>Python</productname> 2.3.
For full functionality, a 2.3.x installation must include the
separately-available <filename>cdecimal</> module; in particular
the <application>PL/Python</> regression tests will not pass if that
is missing.
<productname>Python 3</productname> is supported if it's
version 3.1 or later; but see
<![%standalone-include[the <application>PL/Python</> documentation]]>
<![%standalone-ignore[<xref linkend="plpython-python23">]]>