public IExistingPrimaryKey PrimaryKey(string constraintName)
{
if (string.IsNullOrEmpty(constraintName))
{
throw new ArgumentException("Empty constraintName.");
}
var command = new AlterPrimaryKeyCommand(_command, constraintName);
_command.Add(command);
return(new ExistingPrimaryKey(command));
}
protected override IUniqueConstraint CreateItem(string name)
{
var command = new AlterUniqueConstraintCommand(_command, name);
_command.Add(command);
return(new ExistingUniqueConstraint(command));
}
protected override IIndex CreateItem(string name)
{
var command = new AlterIndexCommand(_command, name);
_command.Add(command);
return(new ExistingIndex(command));
}
protected override IForeignKey CreateItem(string name)
{
var command = new AlterForeignKeyCommand(_command, name);
_command.Add(command);
return(new ExistingForeignKey(command));
}
protected override IExistingColumn CreateItem(string name)
{
var command = new AlterColumnCommand(_command, name);
_command.Add(command);
return(new ExistingColumn(command));
}
