Upgrading from Version 1.0 to 1.1

  • Removed CModel::safeAttributes(). Safe attributes are now defined to be those that are being validated by some rules as defined in CModel::rules() for the particular scenario.

  • Changed CModel::validate(), CModel::beforeValidate() and CModel::afterValidate(). CModel::setAttributes(), CModel::getSafeAttributeNames() The 'scenario' parameter is removed. You should get and set the model scenario via CModel::scenario.

  • Changed CModel::getValidators() and removed CModel::getValidatorsForAttribute(). CModel::getValidators() now only returns validators applicable to the scenario as specified by the model's scenario property.

  • Changed CModel::isAttributeRequired() and CModel::getValidatorsForAttribute(). The scenario parameter is removed. The model's scenario property will be used, instead.

  • Removed CHtml::scenario. CHtml will use the model's scenario property instead.

  • By default, a single JOIN statement will be generated and executed for all relations involved in the eager loading. If the primary table has its LIMIT or OFFSET query option set, it will be queried alone first, followed by another SQL statement that brings back all its related objects. Previously in version 1.0.x, the default behavior is that there will be N+1 SQL statements if an eager loading involves N HAS_MANY or MANY_MANY relations.
  • The default alias for a relational table is now the same as the corresponding relation name. Previously in version 1.0.x, by default Yii would automatically generate a table alias for each relational table, and we had to use the prefix ??. to refer to this automatically generated alias.

  • The alias name for the primary table in an AR query is fixed to be t. Previsouly in version 1.0.x, it was the same as the table name. This will cause existing AR query code to break if they explicity specify column prefixes using the table name. The solution is to replace these prefixes with 't.'.

  • For attribute names, using Field[$i] is not valid anymore, they should look like [$i]Field in order to support array-typed fields (e.g. [$i]Field[$index]).

5. Other Changes

  • The signature of the CActiveRecord constructor is changed. The first parameter (list of attributes) is removed.
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