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| -rw-r--r-- | railties/guides/source/configuring.textile | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/railties/guides/source/configuring.textile b/railties/guides/source/configuring.textile index 7e715ff79f..95f93101ab 100644 --- a/railties/guides/source/configuring.textile +++ b/railties/guides/source/configuring.textile @@ -273,6 +273,8 @@ h4. Configuring Active Record * +config.active_record.auto_explain_threshold_in_seconds+ configures the threshold for automatic EXPLAINs (+nil+ disables this feature). Queries exceeding the threshold get their query plan logged. Default is 0.5 in development mode. +* +config.active_record.dependent_restrict_raises+ will control the behavior when an object with a <tt>:dependent => :restrict</tt> association is deleted. Setting this to false will prevent +DeleteRestrictionError+ from being raised and instead will add an error on the model object. Defaults to false in the development mode. + The MySQL adapter adds one additional configuration option: * +ActiveRecord::ConnectionAdapters::MysqlAdapter.emulate_booleans+ controls whether Active Record will consider all +tinyint(1)+ columns in a MySQL database to be booleans and is true by default. |