public override string BuildAlterColumnStatement(IColumn column)
{
//SQLite doesn't support altering columns. There is no typing either, or length considerations
//so - unless we're adding/dropping, fuggedaboutit
//http://stackoverflow.com/questions/623044/how-to-alter-sqlite-column-iphone
return "";
}
public override string ModifyColumn(IColumn fromColumn, IColumn toColumn) {
var sql = new StringBuilder();
// drop a column constraint if need be
if (!string.IsNullOrEmpty(fromColumn.Default) && !fromColumn.IsPrimaryKey && !fromColumn.IsAutoGenerated
&& (string.IsNullOrEmpty(toColumn.Default) || fromColumn.Default != toColumn.Default)) {
sql.AppendLine(this.OnBeforeDropColumn(fromColumn));
}
// alter the column
sql.Append("alter table ");
this.AppendQuotedTableName(sql, toColumn.Map);
sql.Append(" alter column ");
this.AppendColumnSpecification(sql, toColumn, false);
// add a column constraint if need be
if (!string.IsNullOrEmpty(toColumn.Default) && !toColumn.IsPrimaryKey && !toColumn.IsAutoGenerated) {
sql.AppendLine(";");
sql.Append("alter table ");
this.AppendQuotedTableName(sql, toColumn.Map);
sql.Append(" add default (");
sql.Append(toColumn.Default);
sql.Append(") for");
this.AppendQuotedName(sql, toColumn.DbName);
}
return sql.ToString();
}
public string AddColumn(IColumn column) {
var sql = new StringBuilder("alter table ");
this.dialect.AppendQuotedTableName(sql, column.Map);
sql.Append(" add ");
this.dialect.AppendColumnSpecification(sql, column);
return sql.ToString();
}
public void To(IColumn column)
{
RemoveOldMapping();
if (column == null)
{
ms.InvalidateCache();
return;
}
var mapping = ms.GetMappingFor(property.Component);
if (mapping == null)
{
mapping = new ComponentMappingImpl();
mapping.ToComponent = property.Component;
mapping.FromTable = column.Parent;
mapping.AddPropertyAndColumn(property, column);
ms.AddMapping(mapping);
}
else
{
mapping.SetMapping(property, column);
ms.InvalidateCache();
}
}
private static IEnumerable<ModelClientValidationRule> GetClientValidationRule(IColumn column)
{
if (column.DataType == DataType.Int || column.DataType == DataType.Decimal)
{
yield return new ModelClientValidationRule()
{
ValidationType = "number",
ErrorMessage = string.Format(SR.GetString("ClientDataTypeModelValidatorProvider_FieldMustBeNumeric"), column.Name)
};
}
if (column.DataType == DataType.String && column.Length > 0)
{
yield return new ModelClientValidationStringLengthRule(string.Format(SR.GetString("StringLengthAttribute_ValidationError"), column.Name, column.Length)
, 0, column.Length);
}
if (!column.AllowNull)
{
yield return new ModelClientValidationRequiredRule(string.Format(SR.GetString("RequiredAttribute_ValidationError"), column.Name));
}
if (column.Validations != null)
{
foreach (var validation in column.Validations)
{
foreach (var clientValidation in validation.GetClientValidationRule(column.Name))
{
yield return clientValidation;
}
}
}
}
public static void SetMappedColumn(this ComponentPropertyMarker property, IColumn column)
{
if (property == null) throw new ArgumentNullException("property");
var set = property.GetMappingSet();
if (set == null) throw new Exception(string.Format("Could not set Mapped Column for Property {0}: Could not get its MappingSet", property.PropertyName));
set.ChangeMappingFor(property).To(column);
}
public static IDictionary<string, object> GetUnobtrusiveValidationAttributes(IColumn column)
{
Dictionary<string, object> resultsDictionary = new Dictionary<string, object>();
string fullHtmlFieldName = column.Name;
IEnumerable<ModelClientValidationRule> enumerable = GetClientValidationRule(column);
bool flag = false;
foreach (ModelClientValidationRule rule in enumerable)
{
flag = true;
string dictionaryKey = "data-val-" + rule.ValidationType;
//ValidateUnobtrusiveValidationRule(rule, resultsDictionary, dictionaryKey);
resultsDictionary[dictionaryKey] = HttpUtility.HtmlEncode(rule.ErrorMessage ?? string.Empty);
dictionaryKey = dictionaryKey + "-";
foreach (KeyValuePair<string, object> pair in rule.ValidationParameters)
{
resultsDictionary[dictionaryKey + pair.Key] = pair.Value.ToString() ?? string.Empty;
}
}
if (flag)
{
resultsDictionary.Add("data-val", "true");
}
return resultsDictionary;
}
/// <summary>
/// Adds the column.
/// </summary>
/// <param name="tableName">Name of the table.</param>
/// <param name="column">The column.</param>
/// <returns></returns>
public virtual string BuildAddColumnStatement(string tableName, IColumn column)
{
var sql = new StringBuilder();
//if we're adding a Non-null column to the DB schema, there has to be a default value
//otherwise it will result in an error'
if (!column.IsNullable && column.DefaultSetting == null)
{
SetColumnDefaults(column);
}
sql.AppendFormat(ADD_COLUMN, tableName, column.Name, GenerateColumnAttributes(column));
//if the column isn't nullable and there are records already
//the default setting won't be honored and a null value could be entered (in SQLite for instance)
//enforce the default setting here
if(!column.IsNullable)
{
sql.AppendLine();
var defaultValue = column.DefaultSetting;
if (column.IsString || column.IsDateTime)
{
defaultValue = String.Format("'{0}'", column.DefaultSetting);
}
sql.AppendFormat(UPDATE_DEFAULTS, tableName, column.Name, defaultValue);
}
return sql.ToString();
}
protected void AppendColumnSpecificationWithoutName(StringBuilder sql, IColumn column, bool scriptDefault = true) {
sql.Append(this.TypeName(column.DbType));
if (column.DbType.TypeTakesLength()) {
sql.Append("(");
if (column.MaxLength) {
sql.Append("max");
}
else {
sql.Append(column.Length);
}
sql.Append(")");
}
if (column.DbType.TypeTakesPrecisionAndScale()) {
this.AppendPrecisionAndScale(sql, column.Precision, column.Scale);
}
sql.Append(column.IsNullable ? " null" : " not null");
if (scriptDefault && !string.IsNullOrEmpty(column.Default) && !column.IsPrimaryKey && !column.IsAutoGenerated) {
this.AppendDefault(sql, column);
}
if (column.IsAutoGenerated) {
this.AppendAutoGenerateModifier(sql, column);
}
if (column.IsPrimaryKey) {
sql.Append(" primary key");
}
}
public override string ModifyColumn(IColumn fromColumn, IColumn toColumn) {
var sql = new StringBuilder("alter table ");
this.AppendQuotedTableName(sql, toColumn.Map);
sql.Append(" modify column ");
this.AppendColumnSpecification(sql, toColumn);
return sql.ToString();
}
protected override string RenderInput(IColumn column)
{
StringBuilder sb = new StringBuilder(string.Format(@"@{{ var radioDefaultValue_{0} = @""{1}"";}}", column.Name, column.DefaultValue.EscapeQuote()));
if (!string.IsNullOrEmpty(column.SelectionFolder))
{
sb.AppendFormat(@"
@{{
var textFolder_{0} = new TextFolder(Repository.Current, ""{1}"");
var query_{0} = textFolder_{0}.CreateQuery().DefaultOrder();
}}
@foreach (var item in query_{0})
{{
<input id=""{0}"" name=""{0}"" type=""radio"" value=""@item.UUID"" @((Model.{0} != null && Model.{0}.ToString().ToLower() == @item.UUID.ToLower()) || (Model.{0} == null && radioDefaultValue_{0}.ToLower() == @item.UUID.ToLower()) ? ""checked"" : """")/><label for=""{0}"">@item.GetSummary()</label>
}}
", column.Name, column.SelectionFolder);
}
else
{
if (column.SelectionItems != null)
{
var index = 0;
foreach (var item in column.SelectionItems)
{
var id = column.Name + "_" + index.ToString();
index++;
sb.AppendFormat(@"
<input id=""{0}"" name=""{1}"" type=""radio"" value=""@(@""{2}"")"" @((Model.{1} != null && Model.{1}.ToString().ToLower() == @""{2}"".ToLower()) || (Model.{1} == null && radioDefaultValue_{1}.ToLower() == @""{2}"".ToLower()) ? ""checked"" : """")/><label for=""{0}"">{3}</label>"
, id, column.Name, item.Value.EscapeQuote(), item.Text);
}
}
}
return sb.ToString();
}
public FilterListProperty(string displayname, IColumn column, Func<Dictionary<string, string>> valueList)
{
Type = FilterType.List;
DisplayName = ResourceManager.GetString(displayname);
Column = column;
Operators = new[] { OperatorType.In, OperatorType.NotIn };
ValueList = valueList;
}
void RenderColumnHeader(IColumn c, Painter p, Node n)
{
p.SetPosition(c.Left);
if (c.Left > 0)
p.DrawSeparatorLine(Pens.Black);
p.Pad(4);
p.DrawString(c.Name, Font, Brushes.Black, 3, c.Left + c.Width);
}
public override string Render(ISchema schema, IColumn column)
{
string html = string.Format(CheckBoxTemplate, column.Name,
(string.IsNullOrEmpty(column.Label) ? column.Name : column.Label).RazorHtmlEncode(), RenderInput(column),
FormHelper.Tooltip(column.Tooltip));
return html;
}
public virtual string Render(ISchema schema, IColumn column)
{
string html = string.Format(EditorTemplate, column.Name,
(string.IsNullOrEmpty(column.Label) ? column.Name : column.Label).RazorHtmlEncode(), RenderInput(column),
string.IsNullOrEmpty(column.Tooltip) ? "" : string.Format(@"<a href=""javascript:;"" class=""tooltip-link"" title='{0}'></a>", (column.Tooltip).RazorHtmlEncode()));
return html;
}
public DateTimeProperty(string displayname, IColumn column)
{
Type = FilterType.DateTime;
// DisplayPrefix = "txt";
DisplayName = ResourceManager.GetString(displayname);
Column = column;
Operators = new[] { OperatorType.IsEqual, OperatorType.IsLarger, OperatorType.IsLargerOrEqual, OperatorType.IsSmaller, OperatorType.IsSmallerOrEqual };
}
public string DropColumn(IColumn column) {
var beforeSql = this.dialect.OnBeforeDropColumn(column);
var sql = new StringBuilder("alter table ");
this.dialect.AppendQuotedTableName(sql, column.Map);
sql.Append(" drop column ");
this.dialect.AppendQuotedName(sql, column.DbName);
return beforeSql + sql;
}
public void RemoveColumn(IColumn column)
{
if (!(column is GridViewColumnWrapper))
throw new Exception("Only GridViewColumnWrapper are allowed.");
var gridViewColumnWrapper = (GridViewColumnWrapper)column;
if (!_extendedGridView.RemoveColumn(gridViewColumnWrapper.GridViewColumn))
throw new Exception("The given GridViewColumnWrapper was not an element of the collection.");
}
public ColumnContainer(IColumn parentColumn)
{
Id = System.Guid.NewGuid().ToString();
if (parentColumn.Size < ColumnSize.Size2) throw new ArgumentOutOfRangeException("Column Containers must be sizes 2 through 12");
_Parent = parentColumn;
this.SpacerAbove = true;
InitColumns();
}
public BooleanProperty(string displayname, IColumn column)
{
Type = FilterType.Boolean;
// DisplayPrefix = "cbx";
DisplayName = ResourceManager.GetString(displayname);
Column = column;
Operators = new[] { OperatorType.IsEqual };
}
public override string QualifyColumnName(IColumn column)
{
string qualifiedFormat;
qualifiedFormat = String.IsNullOrEmpty(column.SchemaName) ? "`{2}`" : "`{0}`.`{1}`.`{2}`";
return String.Format(qualifiedFormat, column.Table.SchemaName, column.Table.Name, column.Name);
}
public NumericProperty(string displayname, IColumn column)
{
Type = FilterType.Number;
// DisplayPrefix = "txt";
DisplayName = ResourceManager.GetString(displayname);
Column = column;
Operators = new[] { OperatorType.IsEqual, OperatorType.IsLarger, OperatorType.IsLargerOrEqual, OperatorType.IsSmaller, OperatorType.IsSmallerOrEqual, OperatorType.IsNotEqualOrIsNull };
}
protected override void AppendAutoGenerateModifier(StringBuilder sql, IColumn column) {
if (column.Type == typeof(Guid)) {
sql.Append(" NEWSEQUENTIALID()");
}
else {
sql.Append(" identity(1,1)");
}
}
public TextProperty(string displayname, IColumn column)
{
Type = FilterType.Text;
// DisplayPrefix = "txt";
DisplayName = ResourceManager.GetString(displayname);
Column = column;
Operators = new[] { OperatorType.IsEqual, OperatorType.Like, OperatorType.IsNotEqualOrIsNull };
}
protected override string RenderInput(IColumn column)
{
string formater = @"<input class=""medium"" id=""{0}"" name=""{0}"" type=""text"" value=""@(Model.{0} ?? """")"" {1} readonly=""readonly""/>
<a href=""javascript:;"" class=""image-croper action"" inputid = ""{0}"">@Html.IconImage(""plus"")</a>
<input id=""{0}-hidden"" name=""{0}-hidden"" type=""hidden"" value=""@(Model.{0} ?? """")""/>
<input type=""hidden"" name=""{2}"" value=""{0}""/>";
return string.Format(formater, column.Name, Kooboo.CMS.Form.Html.ValidationExtensions.GetUnobtrusiveValidationAttributeString(column), KoobooImageCropInputName);
}
public CellData(IColumn column, object defaultValue)
{
#region Guards
if (column == null) throw new ArgumentNullException("column", "column cannot be null");
#endregion
Column = column;
Value = defaultValue;
}
protected override string RenderInput(IColumn column)
{
StringBuilder sb = new StringBuilder(string.Format(@"@{{ var checkBoxListDefaultValue_{0} = @""{1}"".Split(new []{{','}},StringSplitOptions.RemoveEmptyEntries);
var values_{0} = new string[0];
if(!string.IsNullOrEmpty(Model.{0}))
{{
values_{0}=Model.{0}.Split(new []{{','}},StringSplitOptions.RemoveEmptyEntries);
}}
}}", column.Name, column.DefaultValue.EscapeQuote()));
if (column.SelectionSource == SelectionSource.TextFolder)
{
sb.AppendFormat(@"
@{{
var textFolder_{0} = new TextFolder(Repository.Current, ""{1}"");
var query_{0} = textFolder_{0}.CreateQuery().DefaultOrder();
var index_{0} = 0;
}}
<input type='hidden' name='{0}'/>
<ul class=""checkbox-list"">
@foreach (var item in query_{0})
{{
var id = ""{0}"" + index_{0}.ToString();
<li>
<input id=""@id"" name=""{0}"" type=""checkbox"" value=""@item.UUID"" @((Model.{0} == null && checkBoxListDefaultValue_{0}.Contains(@item.UUID, StringComparer.OrdinalIgnoreCase)) || (Model.{0} != null && values_{0}.Contains(@item.UUID, StringComparer.OrdinalIgnoreCase)) ? ""checked"" : """")/><label
for=""@id"" class=""inline"">@item.GetSummary()</label>
</li>
index_{0}++;
}}
</ul>
", column.Name, column.SelectionFolder);
}
else
{
if (column.SelectionItems != null)
{
var index = 0;
sb.AppendFormat(@"
<input type='hidden' name='{0}'/>
<ul class=""checkbox-list"">", column.Name);
foreach (var item in column.SelectionItems)
{
var id = column.Name + "_" + index.ToString();
index++;
sb.AppendFormat(@"
<li>
<input id=""{0}"" name=""{1}"" type=""checkbox"" value=""@(@""{2}"")"" @((Model.{1} == null && checkBoxListDefaultValue_{1}.Contains(@""{2}"",StringComparer.OrdinalIgnoreCase)) || (Model.{1} != null && values_{1}.Contains(@""{2}"",StringComparer.OrdinalIgnoreCase)) ? ""checked"" : """")/><label for=""{0}"" class=""inline"">{3}</label>
</li>"
, id, column.Name, item.Value.EscapeQuote(), item.Text);
}
sb.Append("</ul>");
}
}
return sb.ToString();
}
public ListProperty(string displayname, IColumn column, Func<Dictionary<string, string>> valueList)
{
Type = FilterType.List;
// DisplayPrefix = "ddl";
DisplayName = ResourceManager.GetString(displayname);
Column = column;
Operators = new[] { OperatorType.IsEqual, OperatorType.IsNotEqualOrIsNull };
ValueList = valueList;
}
public override string BuildAddColumnStatement(string tableName, IColumn column)
{
//if we're adding a Non-null column to the DB schema, there has to be a default value
//otherwise it will result in an error'
if (!column.IsNullable && column.DefaultSetting == null)
SetColumnDefaults(column);
return string.Format(ADD_COLUMN, tableName, column.Name, GenerateColumnAttributes(column));
}
public override void DetachFromModel()
{
if (Detached || Column == null) return;
Column.PropertyChanged -= Column_PropertyChanged;
Column = null;
Detached = true;
SetupForm();
}
/// <summary> /// Should return if its a identity (auto increment, or new sequential guid example for sql server /// </summary> /// <param name="column"></param> /// <returns></returns> protected virtual bool IsGenerateOptionIdentity(IColumn column) => column.IsAutoIncrement;
public AliasedColumn(IColumn column, string columnAlias)
{
this.column = column;
this.columnAlias = columnAlias;
}
public void RemoveColumn(IColumn <Item> column)
{
Columns.Remove(column);
StateHasChanged();
}
public ColumnItem(IColumn column)
{
Column = column;
}
public bool HasChanges(IColumn value, out string description)
{
StringBuilder sb = new StringBuilder();
if (base.HasChanges(value))
{
sb.Append("Value,");
}
if (Size != value.Size)
{
sb.Append("Size,");
}
if (SizeIsMax != value.SizeIsMax)
{
sb.Append("SizeIsMax,");
}
if (Scale != value.Scale)
{
sb.Append("Scale,");
}
if (OriginalDataType != value.OriginalDataType)
{
sb.Append("Datatype,");
}
if (OrdinalPosition != value.OrdinalPosition)
{
sb.Append("OrdinalPosition,");
}
if (InPrimaryKey != value.InPrimaryKey)
{
sb.Append("InPrimaryKey,");
}
if (IsComputed != value.IsComputed)
{
sb.Append("IsComputed,");
}
if (IsCalculated != value.IsCalculated)
{
sb.Append("IsCalculated,");
}
if (IsIdentity != value.IsIdentity)
{
sb.Append("IsIdentity,");
}
if (IsNullable != value.IsNullable)
{
sb.Append("IsNullable,");
}
if (IsReadOnly != value.IsReadOnly)
{
sb.Append("IsReadOnly,");
}
if (Precision != value.Precision)
{
sb.Append("Precision,");
}
if (sb.Length > 0)
{
description = sb.ToString().TrimEnd(',');
return(true);
}
description = "";
return(false);
}
private static SqlPreCommandSimple UpdateByFkChange(string tn, DiffColumn difCol, IColumn tabCol, Func <ObjectName, ObjectName> changeName)
{
if (difCol.ForeignKey == null || tabCol.ReferenceTable == null || tabCol.AvoidForeignKey)
{
return(null);
}
ObjectName oldFk = changeName(difCol.ForeignKey.TargetTable);
if (oldFk.Equals(tabCol.ReferenceTable.Name))
{
return(null);
}
AliasGenerator ag = new AliasGenerator();
return(new SqlPreCommandSimple(
@"UPDATE {2}
SET {0} = -- get {5} id from {4}.Id
FROM {1} {2}
JOIN {3} {4} ON {2}.{0} = {4}.Id".FormatWith(tabCol.Name,
tn, ag.NextTableAlias(tn),
oldFk, ag.NextTableAlias(oldFk.Name),
tabCol.ReferenceTable.Name.Name)));
}
/// <summary>
/// Sums the specified col.
/// </summary>
/// <param name="col">The col.</param>
/// <returns></returns>
public static Aggregate Sum(IColumn col)
{
Aggregate agg = new Aggregate(col, AggregateFunction.Sum);
return(agg);
}
/// <inheritdoc /> public virtual IEnumerable <IAnnotation> For(IColumn column, bool designTime) => Enumerable.Empty <IAnnotation>();
protected SqlServer2000Generator(IColumn column)
: base(column, new SqlServerQuoter())
{
}
public override void GetOrBuildColumns()
{
People = GetOrBuild(nameof(People), () => (IColumn <NumberList <int> >) new RefListColumn(nameof(PersonDatabase.Person)));
}
public override string ChangeColumnName(IColumn fromColumn, IColumn toColumn)
{
return("EXEC sp_RENAME '" + toColumn.Map.Table + "." + fromColumn.DbName + "', '" + toColumn.DbName + "', 'COLUMN'");
}
public ColumnCommand(IColumn column)
{
Column = column;
}
/// <summary>
/// Groups the by.
/// </summary>
/// <param name="col">The col.</param>
/// <returns></returns>
public static Aggregate GroupBy(IColumn col)
{
Aggregate agg = new Aggregate(col, AggregateFunction.GroupBy);
return(agg);
}
/// <inheritdoc/>
public void AddColumn(IColumn col)
{
AddColumn(col, true);
}
/// <inheritdoc /> public virtual IEnumerable <IAnnotation> For(IColumn column) => Enumerable.Empty <IAnnotation>();
private static string GetSortDefinition(this IEnumerable <ColumnDefinition> colDefs, IColumn sortColumn, bool sortOnWebServer)
{
return(sortOnWebServer ?
$"{sortColumn.Name} {(sortColumn.Sort.Direction == SortDirection.Ascending ? "ASC" : "DESC")}" :
$"{colDefs.Single(d => d.Name == sortColumn.Name).ColumnName} {(sortColumn.Sort.Direction == SortDirection.Ascending ? "ASC" : "DESC")}");
}
protected abstract string OnFormatColumnName(IColumn Column, bool FullName);
/// <summary>
/// Counts the specified col.
/// </summary>
/// <param name="col">The col.</param>
/// <param name="alias">The alias.</param>
/// <returns></returns>
public static Aggregate Count(IColumn col, string alias)
{
Aggregate agg = new Aggregate(col, alias, AggregateFunction.Count);
return(agg);
}
public GenericGenerator(IColumn column, IQuoter quoter)
: base(column, quoter)
{
compatabilityMode = CompatabilityMode.LOOSE;
}
/// <summary>
/// Counts the specified col.
/// </summary>
/// <param name="col">The col.</param>
/// <returns></returns>
public static Aggregate Count(IColumn col)
{
Aggregate agg = new Aggregate(col, AggregateFunction.Count);
return(agg);
}
public IInsert Set <TVal>(IColumn <TVal> Column, TVal Value)
where TVal : class
{
setters.Add(new ClassSetter <TVal>(Column, Value));
return(this);
}
/// <summary>
/// Standards the deviation.
/// </summary>
/// <param name="col">The col.</param>
/// <param name="alias">The alias.</param>
/// <returns></returns>
public static Aggregate StandardDeviation(IColumn col, string alias)
{
Aggregate agg = new Aggregate(col, alias, AggregateFunction.StDev);
return(agg);
}
public IInsert Set <TVal>(IColumn <TVal> Column, TVal?Value)
where TVal : struct
{
setters.Add(new ValueSetter <TVal>(Column, Value));
return(this);
}
/// <summary>
/// Variances the specified col.
/// </summary>
/// <param name="col">The col.</param>
/// <param name="alias">The alias.</param>
/// <returns></returns>
public static Aggregate Variance(IColumn col, string alias)
{
Aggregate agg = new Aggregate(col, alias, AggregateFunction.Var);
return(agg);
}
/// <summary>
/// Variances the specified col.
/// </summary>
/// <param name="col">The col.</param>
/// <returns></returns>
public static Aggregate Variance(IColumn col)
{
Aggregate agg = new Aggregate(col, AggregateFunction.Var);
return(agg);
}
/// <summary>
/// Mins the specified col.
/// </summary>
/// <param name="col">The col.</param>
/// <returns></returns>
public static Aggregate Min(IColumn col)
{
Aggregate agg = new Aggregate(col, AggregateFunction.Min);
return(agg);
}
public ColumnTable(ITable table, IColumn column)
{
Table = table;
Column = column;
}
/// <summary>
/// Groups the by.
/// </summary>
/// <param name="col">The col.</param>
/// <param name="alias">The alias.</param>
/// <returns></returns>
public static Aggregate GroupBy(IColumn col, string alias)
{
Aggregate agg = new Aggregate(col, alias, AggregateFunction.GroupBy);
return(agg);
}
/*public Setter()
* {
*
* }*/
public ClassSetter(IColumn <TVal> Column, TVal Value)
{
this.Column = Column; this.Value = Value;
}
// ColumnFactory untyped constructor
public ListColumn(IColumn values, object defaultValue) : this((IColumn <T>)values, (defaultValue == null ? Nullability.DefaultToNull : Nullability.DefaultToEmpty))
{
}