public void SqlWhileCloneTest()
{
SqlVariable i = SqlDml.Variable("i", SqlType.Int32);
SqlWhile w = SqlDml.While(i <= 1000);
SqlBatch b = SqlDml.Batch();
b.Add(SqlDml.Assign(i, i + 1));
SqlTableRef t = SqlDml.TableRef(table1);
SqlSelect s = SqlDml.Select(t);
s.Columns.Add(t["Name"]);
s.Where = t[0] == i;
SqlIf f = SqlDml.If(SqlDml.SubQuery(s) == "Unkown", SqlDml.Break, SqlDml.Continue);
b.Add(f);
w.Statement = b;
SqlWhile wClone = (SqlWhile)w.Clone();
Assert.AreNotEqual(w, wClone);
Assert.AreEqual(w.NodeType, wClone.NodeType);
Assert.AreNotEqual(w.Condition, wClone.Condition);
Assert.AreEqual(w.Condition.NodeType, wClone.Condition.NodeType);
Assert.AreNotEqual(w.Statement, wClone.Statement);
Assert.AreEqual(w.Statement.NodeType, wClone.Statement.NodeType);
}
public void Visit(SqlWhile node)
{
if (!node.Condition.IsNullReference())
{
Visit(node.Condition);
}
if (node.Statement != null)
{
Visit(node.Statement);
}
}
public virtual void Visit(SqlWhile node)
{
VisitInternal(node.Condition);
VisitInternal(node.Statement);
}