Interface ExpressionInterface
An interface used by Expression objects.
Namespace: Cake\Database
Method Summary
-
sql() public
Converts the Node into a SQL string fragment.
-
traverse() public
Iterates over each part of the expression recursively for every level of the expressions tree and executes the $visitor callable passing as first parameter the instance of the expression currently being iterated.
Method Detail
sql() ¶ public
sql(Cake\Database\ValueBinder $generator): stringConverts the Node into a SQL string fragment.
Parameters
-
Cake\Database\ValueBinder$generator Placeholder generator object
Returns
stringtraverse() ¶ public
traverse(callable $visitor): voidIterates over each part of the expression recursively for every level of the expressions tree and executes the $visitor callable passing as first parameter the instance of the expression currently being iterated.
Parameters
-
callable$visitor The callable to apply to all nodes.
Returns
void