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authorGannon McGibbon <gannon.mcgibbon@gmail.com>2019-07-16 12:10:37 -0400
committerGitHub <noreply@github.com>2019-07-16 12:10:37 -0400
commit85b422bd7fcb93c6a3d13f78fca55b85f69865a1 (patch)
tree5c012e36eb9d92691f9304d47459383ee264b934 /activesupport/lib
parentda4e18c5c2e965bfdfc442b92881326453de6f80 (diff)
parent171965810e05ffb8221c9c4d26c28c42a43ccd22 (diff)
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Merge pull request #36667 from gmcgibbon/clarify_logger_set_in_log_subscriber_docs
Specify log subscribers need a logger set before they can receive events
Diffstat (limited to 'activesupport/lib')
-rw-r--r--activesupport/lib/active_support/log_subscriber.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/activesupport/lib/active_support/log_subscriber.rb b/activesupport/lib/active_support/log_subscriber.rb
index db991c7a32..8b9dd1fffe 100644
--- a/activesupport/lib/active_support/log_subscriber.rb
+++ b/activesupport/lib/active_support/log_subscriber.rb
@@ -29,6 +29,9 @@ module ActiveSupport
# subscriber, the line above should be called after your
# <tt>ActiveRecord::LogSubscriber</tt> definition.
#
+ # A logger also needs to be set with <tt>ActiveRecord::LogSubscriber.logger=</tt>.
+ # This is assigned automatically in a Rails environment.
+ #
# After configured, whenever a <tt>"sql.active_record"</tt> notification is published,
# it will properly dispatch the event
# (<tt>ActiveSupport::Notifications::Event</tt>) to the sql method.