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| author | Xavier Noria <fxn@hashref.com> | 2008-05-07 16:04:58 +0200 |
|---|---|---|
| committer | Xavier Noria <fxn@hashref.com> | 2008-05-07 16:04:58 +0200 |
| commit | acf520457462d3987adbf540625c59e355e4d974 (patch) | |
| tree | 6a5d14270d47fde433fc81015a1161ea10efe3d4 /activerecord | |
| parent | 408d5fd5805d0264d8ce5c45be40a984364626f9 (diff) | |
| download | rails-acf520457462d3987adbf540625c59e355e4d974.tar.gz rails-acf520457462d3987adbf540625c59e355e4d974.tar.bz2 rails-acf520457462d3987adbf540625c59e355e4d974.zip | |
applies patch in http://rails.lighthouseapp.com/projects/8994/tickets/132-document-clear_query_cache
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb index e6b8e3ae90..2afd6064ad 100644 --- a/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb +++ b/activerecord/lib/active_record/connection_adapters/abstract/query_cache.rb @@ -44,6 +44,12 @@ module ActiveRecord @query_cache_enabled = old end + # Clears the query cache. + # + # One reason you may wish to call this method explicitly is between queries + # that ask the database to randomize results. Otherwise the cache would see + # the same SQL query and repeatedly return the same result each time, silently + # undermining the randomness you were expecting. def clear_query_cache @query_cache.clear if @query_cache end |