aboutsummaryrefslogtreecommitdiffstats
path: root/railties/guides/source/configuring.textile
diff options
context:
space:
mode:
Diffstat (limited to 'railties/guides/source/configuring.textile')
-rw-r--r--railties/guides/source/configuring.textile2
1 files changed, 2 insertions, 0 deletions
diff --git a/railties/guides/source/configuring.textile b/railties/guides/source/configuring.textile
index d91011c370..24bf9d863b 100644
--- a/railties/guides/source/configuring.textile
+++ b/railties/guides/source/configuring.textile
@@ -268,6 +268,8 @@ h4. Configuring Active Record
* +config.active_record.identity_map+ controls whether the identity map is enabled, and is false by default.
+* +config.active_record.auto_explain_threshold_in_seconds+ configures the threshold for automatic EXPLAINs (+nil+ disables this feature). Queries taking more than those many seconds get their query plan logged. Default is 0.5 in 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.