[issue16509] sqlite3 docs do not explain check_same_thread

[Berker Peksag]

Berker Peksag added the comment:

Issue 27113 has a patch and more detailed description so I'm going to close 
this one as a 'duplicate'.

Thanks for the report!

--
nosy: +berker.peksag
resolution:  -> duplicate
stage: needs patch -> resolved
status: open -> closed
superseder:  -> sqlite3 connect parameter "check_same_thread" not documented

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[issue16509] sqlite3 docs do not explain check_same_thread

[Mark Lawrence]

Mark Lawrence added the comment:

@Daniel could you provide a patch for this?

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nosy: +BreamoreBoy

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[issue16509] sqlite3 docs do not explain check_same_thread

[Thomas Kluyver]

Thomas Kluyver added the comment:

The module docs do mention Older SQLite versions had issues with sharing 
connections between threads. Presumably that means that sharing the connection 
between threads is safe so long as you're not using 'older versions', but it 
would be nice to have some more clarity about how old those versions are.

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[issue16509] sqlite3 docs do not explain check_same_thread

[Thomas Kluyver]

Thomas Kluyver added the comment:

This page also looks relevant: sqlite can be compiled or used in three 
different threading modes. Presumably Python compiles/initialises it in the 
serialised mode, which makes it safe to use a connection from different threads.

http://www.sqlite.org/threadsafe.html

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[issue16509] sqlite3 docs do not explain check_same_thread

[Thomas Kluyver]

Changes by Thomas Kluyver tak...@gmail.com:


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nosy: +takluyver

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[issue16509] sqlite3 docs do not explain check_same_thread

[R. David Murray]

Changes by R. David Murray rdmur...@bitdance.com:


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nosy: +r.david.murray

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[issue16509] sqlite3 docs do not explain check_same_thread

[Ezio Melotti]

Changes by Ezio Melotti ezio.melo...@gmail.com:


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nosy: +ghaering
stage:  - needs patch
versions: +Python 3.2, Python 3.4

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[issue16509] sqlite3 docs do not explain check_same_thread

[Daniel Micay]

New submission from Daniel Micay:

The sqlite3 documentation now includes a Multithreading section explaining 
issues with older sqlite versions, but still doesn't directly cover disabling 
check_same_thread beyond listing it as a possible parameter.

As far as I can tell, reusing sqlite connections in different threads (such as 
from a pool) is safe, as long as no attempt is made to use them from multiple 
threads with no locking.

--
assignee: docs@python
components: Documentation
messages: 175946
nosy: docs@python, strcat
priority: normal
severity: normal
status: open
title: sqlite3 docs do not explain check_same_thread
type: enhancement
versions: Python 3.3

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