PostgreSQL
Chapter 46. PL/Python — Python Procedural Language
Table of Contents
The PL/Python procedural language allows PostgreSQL functions and procedures to be written in the Python language.
To install PL/Python in a particular database, use CREATE EXTENSION plpython3u.
Tip
If a language is installed into template1, all subsequently created databases will have the language installed automatically.
PL/Python is only available as an “[.quote]#untrusted”# language, meaning it does not offer any way of restricting what users can do in it and is therefore named plpython3u. A trusted variant plpython might become available in the future if a secure execution mechanism is developed in Python. The writer of a function in untrusted PL/Python must take care that the function cannot be used to do anything unwanted, since it will be able to do anything that could be done by a user logged in as the database administrator. Only superusers can create functions in untrusted languages such as plpython3u.
Note
Users of source packages must specially enable the build of PL/Python during the installation process. (Refer to the installation instructions for more information.) Users of binary packages might find PL/Python in a separate subpackage.
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45.8. PL/Perl Under the Hood |
46.1. PL/Python Functions |
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