private string VisitMemberExpression(MemberExpression memberExpression)
{
if (memberExpression.Expression != null &&
memberExpression.Expression.NodeType == ExpressionType.Parameter)
{
return(ModelUtility.GetColumnName <TModel>(memberExpression.Member));
}
object value = GetMemberExpressionValue(memberExpression);
var enumerableValue = value as IEnumerable;
if (enumerableValue != null)
{
var quotedValues = enumerableValue.Cast <object>()
.Select(item => _dialect.QuoteValue(item, item.GetType()));
return(string.Join(",", quotedValues));
}
return(_dialect.QuoteValue(value, value != null ? value.GetType() : null));
}
public ISelectQuery <TModel> OrderByDescending <TProperty>(Expression <Func <TModel, TProperty> > column)
{
_orderConditions.Add(ModelUtility.GetColumnName(column) + " DESC");
return(this);
}
public void GetColumnName_Expression2()
{
var actual = ModelUtility.GetColumnName((TestAccount a) => a.Id);
Assert.That(actual, Is.EqualTo("TestAccountId"));
}
private void AddOrderCondition <TProperty>(Expression <Func <TModel, TProperty> > column, Dir direction)
{
string columnName = ModelUtility.GetColumnName(column);
_orderConditions.Add(columnName + " " + direction);
}
public void GetColumnName_Expression()
{
var actual = ModelUtility.GetColumnName((TestAccount a) => a.EmailAddress);
Assert.That(actual, Is.EqualTo("EmailAddress"));
}
