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Close a Connection whenever an exception is raised for send_command() #2516

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kristjanvalur
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@kristjanvalur kristjanvalur commented Dec 15, 2022

The api does not allow for a "resume", e.g. on a timeout, because an unknown number of bytes has been sent and an internal send state is not maintained. Therefore, there is no point in keeping the connection open.

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Description of change

The discussion at #2560 pointed out that there is no way an open Connecition after a failed send_command() call can be useful. This PR therefore closes the Connection on every exception in that case, thus partially reverts a change made in #2104

The api does not allow for a "resume", e.g. on a timeout, because an unknown number of
bytes has been sent and an internal send state is not maintained.  Therefore, there is no
point in keeping the connection open.
@kristjanvalur kristjanvalur force-pushed the kristjan/send_command_disconnect branch from 8825b09 to e80f72e Compare December 15, 2022 13:33
@kristjanvalur kristjanvalur marked this pull request as ready for review December 15, 2022 13:44
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codecov-commenter commented Dec 15, 2022

Codecov Report

Base: 92.20% // Head: 92.21% // Increases project coverage by +0.00% 🎉

Coverage data is based on head (e80f72e) compared to base (74c251a).
Patch coverage: 0.00% of modified lines in pull request are covered.

Additional details and impacted files
@@           Coverage Diff           @@
##           master    #2516   +/-   ##
=======================================
  Coverage   92.20%   92.21%           
=======================================
  Files         113      113           
  Lines       29357    29357           
=======================================
+ Hits        27070    27072    +2     
+ Misses       2287     2285    -2     
Impacted Files Coverage Δ
redis/asyncio/connection.py 86.57% <0.00%> (ø)
redis/connection.py 86.52% <0.00%> (ø)
tests/test_cluster.py 97.01% <0.00%> (+0.11%) ⬆️

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@kristjanvalur
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kristjanvalur commented Dec 15, 2022

Closing this in favour of #2506

@kristjanvalur kristjanvalur deleted the kristjan/send_command_disconnect branch December 15, 2022 15:14
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