public static bool CreateColumn(this ITableTemplate template, Authentication authentication)
{
var columnName = RandomUtility.NextIdentifier();
if (template.Contains(columnName) == true)
{
return(false);
}
var column = template.AddNew(authentication);
column.SetName(authentication, columnName);
if (template.PrimaryKey.Any() == false)
{
column.SetIsKey(authentication, true);
}
else if (template.Count == 0 && RandomUtility.Within(10))
{
column.SetIsKey(authentication, true);
column.SetIsUnique(authentication, RandomUtility.Within(75));
}
if (RandomUtility.Within(75) == true)
{
column.SetTags(authentication, TagInfo.All);
}
else
{
column.SetTags(authentication, tags.Random());
}
if (RandomUtility.Within(75) == true)
{
column.SetDataType(authentication, CremaDataTypeUtility.GetBaseTypeNames().Random());
}
else
{
column.SetDataType(authentication, template.SelectableTypes.Random());
}
if (RandomUtility.Within(25) == true)
{
column.SetComment(authentication, RandomUtility.NextString());
}
if (CremaDataTypeUtility.CanUseAutoIncrement(column.DataType) == true)
{
column.SetAutoIncrement(authentication, RandomUtility.NextBoolean());
}
try
{
template.EndNew(authentication, column);
}
catch
{
return(false);
}
return(true);
}
public void Contains()
{
template.Contains(RandomUtility.NextIdentifier());
}
public static Task <bool> ContainsAsync(this ITableTemplate template, string columnName)
{
return(template.Dispatcher.InvokeAsync(() => template.Contains(columnName)));
}