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Avoid churning the cache for stream name changes that don't change the cache key. 

(imported from commit 1cc1ed01eaaaec4e6ddd6901fb5b877f831b604c)
This commit is contained in:
Steve Howell 2013-08-28 12:00:19 -04:00
parent 6aecdda7f7
commit 5b598a6d9c
1 changed files with 5 additions and 2 deletions
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7
zerver/lib/actions.py
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@ -801,9 +801,12 @@ def do_rename_stream(realm, old_name, new_name, log=True):
# Update the display recipient and stream, which are easy single
# items to set.
old_cache_key = get_stream_cache_key(old_name, realm)
new_cache_key = get_stream_cache_key(stream.name, realm)
if old_cache_key != new_cache_key:
cache_delete(old_cache_key)
cache_set(new_cache_key, stream)
cache_set(display_recipient_cache_key(recipient.id), stream.name)
cache_set(get_stream_cache_key(stream.name, realm), stream)
cache_delete(get_stream_cache_key(old_name, realm))
# Delete cache entries for everything else, which is cheaper and
# clearer than trying to set them. display_recipient is the out of