ca.uwaterloo.cs.ql.interp.select
Class SelectRelationalExpressionNode
java.lang.Object
ca.uwaterloo.cs.ql.interp.SyntaxTreeNode
ca.uwaterloo.cs.ql.interp.ExpressionNode
ca.uwaterloo.cs.ql.interp.select.SelectConditionNode
ca.uwaterloo.cs.ql.interp.select.SelectContextNode
ca.uwaterloo.cs.ql.interp.select.SelectRelationalExpressionNode
- All Implemented Interfaces:
- SelectContext
public class SelectRelationalExpressionNode
- extends SelectContextNode
| Methods inherited from class java.lang.Object |
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
SelectRelationalExpressionNode
public SelectRelationalExpressionNode(int op,
ExpressionNode left,
ExpressionNode right)
toString
public java.lang.String toString()
- Overrides:
toString in class java.lang.Object
propagate
public void propagate(Env env,
java.lang.Object userObj)
throws EvaluationException
- Specified by:
propagate in class SyntaxTreeNode
- Throws:
EvaluationException
evaluate
public TupleSet evaluate(Env env,
TupleSet tSet)
throws EvaluationException
- Specified by:
evaluate in class SelectContextNode
- Throws:
EvaluationException