SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 2)
    Asterisk (children 1)
     ColumnsTransformerList (children 1)
      ColumnsExceptTransformer
    ColumnsRegexpMatcher (children 1)
     ColumnsTransformerList (children 1)
      ColumnsApplyTransformer
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier columns_transformers