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Add config.active_record.identity_map to the configuration guide.

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1 parent cd392fd commit 1506ef0b26f7c11474ca0625fb707edfa2307901 @spraints spraints committed with vijaydev Nov 18, 2011
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  1. +2 −0 railties/guides/source/configuring.textile
@@ -263,6 +263,8 @@ h4. Configuring Active Record
* +config.active_record.whitelist_attributes+ will create an empty whitelist of attributes available for mass-assignment security for all models in your app.
+* +config.active_record.identity_map+ controls whether the identity map is enabled, and is false by default.
+
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.

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