blocks|key|1868128|text|您正在使用来自Bitnami的PostgreSQL包，在/opt中。现在还不清楚您是用apt-get还是通过安装程序脚本/程序安装这个程序，但无论是哪种情况，它都不是Ubuntu+postgresql包中的相同的PostgreSQL。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1868129|安装postgresql-plpython对您没有任何好处，因为您安装PL/Python支持的是与实际使用的PostgreSQL不同的安装。|1868130|如果可以的话，您需要使用安装Bitnami+PostgreSQL的相同的安装方法来添加PL/Python支持。它可能不是由Bitnami提供的。|1868131|否则，如果您不太喜欢使用Bitnami的PostgreSQL，您可以使用来自http://apt.postgresql.org/的推荐包。|1868132|entityMap|0|LINK|mutability|MUTABLE|url|http://apt.postgresql.org/^0|S|4|17|7|2I|A|0|2|J|0|0|12|Q|0|0^^$0|@$1|2|3|4|5|6|7|T|8|@$9|U|A|V|B|C]|$9|W|A|X|B|C]|$9|Y|A|Z|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|10|8|@$9|11|A|12|B|C]]|D|@]|E|$]]|$1|H|3|I|5|6|7|13|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|14|8|@]|D|@$9|15|A|16|1|17]]|E|$]]|$1|L|3|-4|5|6|7|18|8|@]|D|@]|E|$]]]|M|$N|$5|O|P|Q|E|$R|S]]]]

You're using a PostgreSQL package from Bitnami, in <code>/opt</code>. It's not clear if you installed this with <code>apt-get</code> or via an installer script/program, but in either case it's not the same PostgreSQL as what's in the Ubuntu <code>postgresql</code> package.

Installing <code>postgresql-plpython</code> won't do you any good, because you're installing PL/Python support for a different PostgreSQL install than the one you're actually using.

You'll need to use the same installation method you originally used to install the Bitnami PostgreSQL to add PL/Python support, if it's available. It might not be provided by Bitnami.

Otherwise, if you're not too attached to using Bitnami's PostgreSQL, you could use the recommended packages from <a href="http://apt.postgresql.org/">http://apt.postgresql.org/</a> .

blocks|key|1868144|text|对于postgres+11.2+(基于Debian的)，我需要安装：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|1868145|apt-get+update+&&+apt-get+install+postgresql-plpython3-11|code-block|syntax|javascript|1868146|entityMap^0|2|D|0|0^^$0|@$1|2|3|4|5|6|7|M|8|@$9|N|A|O|B|C]]|D|@]|E|$]]|$1|F|3|G|5|H|7|P|8|@]|D|@]|E|$I|J]]|$1|K|3|-4|5|6|7|Q|8|@]|D|@]|E|$]]]|L|$]]

for <code>postgres 11.2</code> (Debian based) I needed to install:

<pre><code>apt-get update &amp;&amp; apt-get install postgresql-plpython3-11
</code></pre>

blocks|key|773591|text|我正在运行Raspbian+10+(buster)+/+Linux+raspberrypi+4.19.97-v7%2B+#1294，并运行以下命令在PostgreSQL+11.7上安装PL/Python3。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|773592|确定可用于安装的版本：|ordered-list-item|773593|pi@raspberrypi:~/$+sudo+apt-cache+search+".*plpython3.*"
postgresql-plpython3-11+-+PL/Python+3+procedural+language+for+PostgreSQL+11|code-block|syntax|javascript|773594|sudo+apt-get+install+postgresql-contrib+postgresql-plpython3-11|offset|length|style|CODE|773595|sudo+systemctl+start+postgresql+(或在每次启动时使用enable启动，参见在Linux上开始使用PostgreSQL)在独立的Linux或sudo+service+postgresql+start+(在WSL2上)上。|773596|否则，您将得到错误：|773597|psql:+error:+could+not+connect+to+server:+No+such+file+or+directory
++++++++Is+the+server+running+locally+and+accepting
++++++++connections+on+Unix+domain+socket+"/var/run/postgresql/.s.PGSQL.5432"?|773598|sudo+su+-+postgres|773599|psql|773600|CREATE+EXTENSION+plpython3u;|773601|用命令验证：|773602|select+*+from+pg_language;|773603|entityMap|0|LINK|mutability|MUTABLE|url|https://www.redhat.com/sysadmin/postgresql-setup-use-cases^0|0|0|0|0|1R|0|0|V|16|6|2D|T|1H|L|0|0|0|0|0|I|0|0|4|0|0|S|0|0|0^^$0|@$1|2|3|4|5|6|7|1D|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|1E|8|@]|9|@]|A|$]]|$1|E|3|F|5|G|7|1F|8|@]|9|@]|A|$H|I]]|$1|J|3|K|5|D|7|1G|8|@$L|1H|M|1I|N|O]]|9|@]|A|$]]|$1|P|3|Q|5|D|7|1J|8|@$L|1K|M|1L|N|O]|$L|1M|M|1N|N|O]|$L|1O|M|1P|N|O]]|9|@$L|1Q|M|1R|1|1S]]|A|$]]|$1|R|3|S|5|6|7|1T|8|@]|9|@]|A|$]]|$1|T|3|U|5|G|7|1U|8|@]|9|@]|A|$H|I]]|$1|V|3|W|5|D|7|1V|8|@$L|1W|M|1X|N|O]]|9|@]|A|$]]|$1|X|3|Y|5|D|7|1Y|8|@$L|1Z|M|20|N|O]]|9|@]|A|$]]|$1|Z|3|10|5|D|7|21|8|@$L|22|M|23|N|O]]|9|@]|A|$]]|$1|11|3|12|5|D|7|24|8|@]|9|@]|A|$]]|$1|13|3|14|5|G|7|25|8|@]|9|@]|A|$H|I]]|$1|15|3|-4|5|6|7|26|8|@]|9|@]|A|$]]]|16|$17|$5|18|19|1A|A|$1B|1C]]]]

I'm running Raspbian 10 (buster) / Linux raspberrypi 4.19.97-v7+ #1294 and ran the following commands to install PL/Python 3 on PostgreSQL 11.7.
<ol>
<li>Identify which versions are available for install:</li>
</ol>
<pre><code>pi@raspberrypi:~/$ sudo apt-cache search &quot;.*plpython3.*&quot;
postgresql-plpython3-11 - PL/Python 3 procedural language for PostgreSQL 11
</code></pre>
<ol start="2">
<li><code>sudo apt-get install postgresql-contrib postgresql-plpython3-11</code>
</li>
<li><code>sudo systemctl start postgresql</code> (or use <code>enable</code> to start this at every startup, see <a href="https://www.redhat.com/sysadmin/postgresql-setup-use-cases" rel="nofollow noreferrer">Getting started with PostgreSQL on Linux</a>) on stand-alone Linux or <code>sudo service postgresql start</code> (on WSL2).
</li>
</ol>
Else, you would get the error:
<pre><code>psql: error: could not connect to server: No such file or directory
 Is the server running locally and accepting
 connections on Unix domain socket &quot;/var/run/postgresql/.s.PGSQL.5432&quot;?
</code></pre>
<ol start="4">
<li><code>sudo su - postgres</code>
</li>
<li><code>psql</code>
</li>
<li><code>CREATE EXTENSION plpython3u;</code>
</li>
<li>Verify with command:
</li>
</ol>
<pre><code>select * from pg_language;
</code></pre>

I'm running PostgreSQL 9.3.1 on Ubuntu 12.04.4. I'd like to use the plpython language extension but I get an error when I try to use it I get:
<code>ERROR: language &quot;plpythonu&quot; does not exist</code>
When I try to create the extension:
<pre class="lang-sql prettyprint-override"><code>CREATE EXTENSION plpythonu
</code></pre>
I get <code>ERROR: could not access file &quot;$libdir/plpython2&quot;: No such file or directory</code>
After much searching and digging through blog posts, I've tried installing additional packages, and have copied all the plpython files from /usr/share/postgresql/9.1/extension to /opt/bitnami/postgresql/share/extension where PostgreSQL seems to be looking for them. That at least got me to a point at which PostgreSQL actually sees the available extensions. When I run:
<pre class="lang-sql prettyprint-override"><code>SELECT name, default_version, installed_version FROM pg_available_extensions WHERE name LIKE('plpy*')
</code></pre>
I get :
<pre><code> name | default_version | installed_version 
------------+-----------------+-------------------
 plpython2u | 1.0 | 
 plpython3u | 1.0 | 
 plpythonu | 1.0 | 
</code></pre>
There are still no plpython libraries that I can see in <code>/opt/bitnami/postgresql/lib</code>. Can anybody help me get through remaining steps to make the extension work? Thanks in advance!

PostgreSQL: how to install plpythonu extension

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我在Ubuntu12.04.4上运行PostgreSQL 9.3.1。我想使用plpython语言扩展，但是当我尝试使用它时，我得到了一个错误：ERROR:  language "plpythonu" does not exist当我尝试创建扩展时：CREATE EXTENSION plpythonu在经过大量搜索和挖...

问PostgreSQL:如何安装plpythonu扩展
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