Convert a composite expression into the target query language output
Parameters
CompositeExpression $expr:
Return value
mixed
File
- drupal/core/vendor/doctrine/common/lib/Doctrine/Common/Collections/Expr/ExpressionVisitor.php, line 55
Class
- ExpressionVisitor
- An Expression visitor walks a graph of expressions and turns them into a
query for the underlying implementation.
Namespace
Doctrine\Common\Collections\Expr
Code
public abstract function walkCompositeExpression(CompositeExpression $expr);