New submission from Sergey Fedoseev <fedoseev.ser...@gmail.com>:
In [1]: import sqlite3
In [2]: con = sqlite3.connect(':memory:')
In [3]: con.execute('SELECT f()')
---------------------------------------------------------------------------
OperationalError Traceback (most recent call last)
<ipython-input-3-e3bab2096896> in <module>()
----> 1 con.execute('SELECT f()')
OperationalError: no such function: f
In [4]: con.create_function('f', 0, [])
---------------------------------------------------------------------------
TypeError Traceback (most recent call last)
<ipython-input-4-452e7d2028ac> in <module>()
----> 1 con.create_function('f', 0, [])
TypeError: unhashable type: 'list'
In [5]: con.execute('SELECT f()')
---------------------------------------------------------------------------
OperationalError Traceback (most recent call last)
<ipython-input-5-e3bab2096896> in <module>()
----> 1 con.execute('SELECT f()')
OperationalError: user-defined function raised exception
It seems that something like this cause segmentation fault, but I can't
reproduce it.
Some other similar sqlite functions also affected. They can be easily modified
to accept unhashable objects, but probably it should be done in another issue.
----------
components: Extension Modules
messages: 321094
nosy: sir-sigurd
priority: normal
severity: normal
status: open
title: sqlite's create_function() raises exception on unhashable callback, but
creates function
type: behavior
versions: Python 2.7, Python 3.8
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Python tracker <rep...@bugs.python.org>
<https://bugs.python.org/issue34052>
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