public CommonTableExpression(AliasName aliasName, Optional<Sequence<ColumnName>> columnNames, SelectQuery selectQuery) {
Debug.Assert(aliasName != null);
Debug.Assert(selectQuery != null);
this.aliasName = aliasName;
this.columnNames = columnNames.ToList();
this.selectQuery = selectQuery;
}
public RowsetTableColumnsAlias(AliasName aliasName, Sequence<ColumnName> columnNames): base(aliasName) {
Debug.Assert(columnNames != null);
this.columnNames = columnNames.ToList();
}
public ColumnExpressionItem(Expression expression, AliasName aliasName) {
Debug.Assert(expression != null);
this.expression = expression;
this.aliasName = aliasName;
}
public RowsetTableAlias(AliasName aliasName) {
Debug.Assert(aliasName != null);
this.aliasName = aliasName;
}
