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bsddb iterkeys sliently fails when database modified during iteration #46921

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tebeka mannequin opened this issue Apr 22, 2008 · 2 comments
Closed

bsddb iterkeys sliently fails when database modified during iteration #46921

tebeka mannequin opened this issue Apr 22, 2008 · 2 comments
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@gpshead
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stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error

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@tebeka
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tebeka mannequin commented Apr 22, 2008

BPO 2669
Nosy @gpshead, @jcea, @tebeka

Note: these values reflect the state of the issue at the time it was migrated and might not reflect the current state.

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GitHub fields:

assignee = 'https://github.com/gpshead'
closed_at = <Date 2008-05-25.08:35:59.912>
created_at = <Date 2008-04-22.17:52:06.318>
labels = ['type-bug', 'library']
title = 'bsddb iterkeys sliently fails when database modified during iteration'
updated_at = <Date 2008-05-25.08:35:59.827>
user = 'https://github.com/tebeka'

bugs.python.org fields:

activity = <Date 2008-05-25.08:35:59.827>
actor = 'gregory.p.smith'
assignee = 'gregory.p.smith'
closed = True
closed_date = <Date 2008-05-25.08:35:59.912>
closer = 'gregory.p.smith'
components = ['Library (Lib)']
creation = <Date 2008-04-22.17:52:06.318>
creator = 'tebeka'
dependencies = []
files = []
hgrepos = []
issue_num = 2669
keywords = []
message_count = 2.0
messages = ['65676', '67330']
nosy_count = 3.0
nosy_names = ['gregory.p.smith', 'jcea', 'tebeka']
pr_nums = []
priority = 'normal'
resolution = 'fixed'
stage = None
status = 'closed'
superseder = None
type = 'behavior'
url = 'https://bugs.python.org/issue2669'
versions = ['Python 2.6']
@tebeka
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tebeka mannequin commented Apr 22, 2008 

>>> db = bsddb.btopen("/tmp/n")
>>> for i in range(5):
	db[str(i)] = None
>>> db
{'1': '', '0': '', '3': '', '2': '', '4': ''}
>>> for k in db.iterkeys():
	print k
	del db[k]
0
>>>

The Python "dict" object raises a RuntimeError when modifying the
dictionary during iteration, the database should do the same.

@tebeka tebeka mannequin added stdlib Python modules in the Lib dir type-bug An unexpected behavior, bug, or error labels Apr 22, 2008
@gpshead
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gpshead commented May 25, 2008

Fixed in trunk r63617.

Fix bpo-2669: bsddb simple/legacy interface iteration silently fails
when database changes size during iteration.

It now behaves like a dictionary, the next attempt to get a value from
the iterator after the database has changed size will raise a RuntimeError.

@gpshead gpshead closed this as completed May 25, 2008
@gpshead gpshead self-assigned this May 25, 2008
@ezio-melotti ezio-melotti transferred this issue from another repository Apr 10, 2022
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