private static void Attribute(AttributeInfo attr, IColumn column)
{
List<string> args = new List<string>();
string _columnName = column.ToFieldName();
args.Add($"_{_columnName}");
args.Add($"CType.{column.CType}");
switch (column.CType)
{
case CType.VarBinary:
case CType.Binary:
args.Add(string.Format("Length = {0}", column.AdjuestedLength()));
break;
case CType.Char:
case CType.VarChar:
case CType.NChar:
case CType.NVarChar:
int len = column.AdjuestedLength();
if (len != -1)
args.Add(string.Format("Length = {0}", len));
break;
//case CType.Numeric:
case CType.Decimal:
args.Add($"Precision = {column.Precision}");
args.Add($" Scale = {column.Scale}");
break;
}
if (column.Nullable)
args.Add("Nullable = true"); //see: bool Nullable = false; in class DataColumnAttribute
if (column.IsIdentity)
args.Add("Identity = true");
if (column.IsPrimary)
args.Add("Primary = true");
if (column.IsComputed)
args.Add("Computed = true");
attr.args = args.ToArray();
}
/// <summary>
/// [TableName.Level] is not updated in [this.tname], then parameter [level] must be passed in
/// </summary>
/// <param name="level"></param>
/// <returns></returns>
internal static void GetTableAttribute(AttributeInfo attr, ITable metaTable, ClassTableName ctname)
{
attr.comment = new Comment(string.Format("Primary Keys = {0}; Identity = {1};", metaTable.PrimaryKeys, metaTable.Identity));
List<string> args = new List<string>();
TableName tableName = metaTable.TableName;
switch (ctname.Option.Level)
{
case Level.Application:
args.Add($"\"{tableName.Name}\"");
args.Add("Level.Application");
break;
case Level.System:
args.Add($"\"{tableName.Name}\"");
args.Add("Level.System");
break;
case Level.Fixed:
args.Add($"\"{tableName.DatabaseName.Name}\"");
args.Add("Level.Fixed");
break;
}
if (ctname.Option.HasProvider)
{
if (!tableName.Provider.Equals(ConnectionProviderManager.DefaultProvider))
{
args.Add(string.Format("Provider = {0}", (int)tableName.Provider));
}
}
if (!ctname.Option.IsPack)
args.Add("Pack = false");
attr.args = args.ToArray();
return;
}