SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    QualifiedAsterisk (children 2)
     Identifier test_table_join_1
     ColumnsTransformerList (children 1)
      ColumnsApplyTransformer
    QualifiedAsterisk (children 2)
     Identifier test_table_join_2
     ColumnsTransformerList (children 1)
      ColumnsApplyTransformer
    QualifiedAsterisk (children 2)
     Identifier test_table_join_3
     ColumnsTransformerList (children 1)
      ColumnsApplyTransformer
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test_table_join_1 (alias t1)
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier test_table_join_2 (alias t2)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t1.id
        Identifier t2.id
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier test_table_join_3 (alias t3)
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t2.id
        Identifier t3.id
