protected SqlString GenerateIdInsertSelect(IQueryable persister, string tableAlias, IASTNode whereClause)
		{
			var select = new SqlSelectBuilder(Factory);
			SelectFragment selectFragment = new SelectFragment(Factory.Dialect)
				.AddColumns(tableAlias, persister.IdentifierColumnNames, persister.IdentifierColumnNames);
			select.SetSelectClause(selectFragment.ToFragmentString().Substring(2));

			string rootTableName = persister.TableName;
			SqlString fromJoinFragment = persister.FromJoinFragment(tableAlias, true, false);
			SqlString whereJoinFragment = persister.WhereJoinFragment(tableAlias, true, false);

			select.SetFromClause(rootTableName + ' ' + tableAlias + fromJoinFragment);

			if (whereJoinFragment == null)
			{
				whereJoinFragment = SqlString.Empty;
			}
			else
			{
				whereJoinFragment = whereJoinFragment.Trim();
				if (whereJoinFragment.StartsWithCaseInsensitive("and "))
				{
					whereJoinFragment = whereJoinFragment.Substring(4);
				}
			}

			SqlString userWhereClause = SqlString.Empty;
			if (whereClause.ChildCount != 0)
			{
				// If a where clause was specified in the update/delete query, use it to limit the
				// returned ids here...
				try
				{
					var nodes = new CommonTreeNodeStream(whereClause);
					var gen = new SqlGenerator(Factory, nodes);
					gen.whereClause();
					userWhereClause = gen.GetSQL().Substring(7);
				}
				catch (RecognitionException e)
				{
					throw new HibernateException("Unable to generate id select for DML operation", e);
				}
				if (whereJoinFragment.Length > 0)
				{
					whereJoinFragment.Append(" and ");
				}
			}

			select.SetWhereClause(whereJoinFragment + userWhereClause);

			var insert = new InsertSelect();
			if (Factory.Settings.IsCommentsEnabled)
			{
				insert.SetComment("insert-select for " + persister.EntityName + " ids");
			}
			insert.SetTableName(persister.TemporaryIdTableName);
			insert.SetSelect(select);
			return insert.ToSqlString();
		}
		protected string ConcretePropertySelectFragment(string alias, IInclusionChecker inclusionChecker)
		{
			int propertyCount = PropertyNames.Length;
			int[] propertyTableNumbers = PropertyTableNumbersInSelect;
			SelectFragment frag = new SelectFragment(Factory.Dialect);
			for (int i = 0; i < propertyCount; i++)
			{
				if (inclusionChecker.IncludeProperty(i))
				{
					frag.AddColumns(GenerateTableAlias(alias, propertyTableNumbers[i]), propertyColumnNames[i], propertyColumnAliases[i]);
					frag.AddFormulas(GenerateTableAlias(alias, propertyTableNumbers[i]), propertyColumnFormulaTemplates[i], propertyColumnAliases[i]);
				}
			}
			return frag.ToFragmentString();
		}