/// <summary>
/// Visits the children of the <see cref="T:System.Linq.Expressions.MemberExpression"/>.
/// </summary>
/// <returns>
/// The modified expression, if it or any subexpression was modified; otherwise, returns the original expression.
/// </returns>
/// <param name="node">The expression to visit.</param>
protected override Expression VisitMember(MemberExpression node)
{
if (QueryHelper.IsSpecificMemberExpression(node, node.Expression.Type, CacheHelper.TryGetPropertyList(node.Expression.Type)))
{
_writer.ColumnName(QueryHelper.GetPropertyNameWithIdentifierFromExpression(node));
return(node);
}
else if (QueryHelper.IsVariable(node))
{
_writer.Parameter(QueryHelper.GetValueFromExpression(node));
return(node);
}
else if (QueryHelper.IsHasValue(node))
{
var me = base.VisitMember(node);
_writer.IsNull();
return(me);
}
return(base.VisitMember(node));;
}
