public override void ReplaceWith(SqlExpression expression) { ArgumentValidator.EnsureArgumentNotNull(expression, "expression"); ArgumentValidator.EnsureArgumentIs <SqlUserColumn>(expression, "expression"); SqlUserColumn replacingExpression = expression as SqlUserColumn; this.expression = replacingExpression.Expression; }
internal override object Clone(SqlNodeCloneContext context) { if (context.NodeMapping.ContainsKey(this)) { return(context.NodeMapping[this]); } SqlColumn clone; clone = new SqlUserColumn((SqlExpression)expression.Clone(context)); context.NodeMapping[this] = clone; return(clone); }