cakephp/cakephp — pull request #4227 by dakota (2014-08-11 07:37:42+00:00)
Title: Add case expression class for simple SQL case statements

References #4202

Usage is:
```
$query->newExpr()->addCase($expression, $valueIfTrue, $valueIfFalse)
```

`$expression` must be a QueryExpression instance.