Alternatively, if statement could be: if(substr($column->dbType, 0, 4) === 'enum'), however expected implemented option to be more robust across other database formats.

Created after followup on this issue:  https://github.com/yiisoft/yii/issues/292#issuecomment-44780779

Conflicts:
	framework/CHANGELOG.md

Conflicts:
	framework/CHANGELOG.md

ActiveQuery::one() slight refactoring

This reverts commit a5846fa2, reversing
changes made to 2a6e064a.

Check if property is set

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Merge branch 'defaultValueValidator' of github.com:Alex-Code/yii2 into Alex-Code-defaultValueValidator

Conflicts:
	framework/CHANGELOG.md

Conflicts:
	framework/CHANGELOG.md