SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 1)
    Identifier test2_00863.id
   TablesInSelectQuery (children 3)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier test1_00863
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier test2_00863
     TableJoin
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier test3_00863
     TableJoin
   Function and (children 1)
    ExpressionList (children 3)
     Function in (children 1)
      ExpressionList (children 2)
       Identifier test1_00863.code
       Literal Tuple_(\'1\', \'2\', \'3\')
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier test2_00863.test1_id
       Identifier test1_00863.id
     Function equals (children 1)
      ExpressionList (children 2)
       Identifier test2_00863.test3_id
       Identifier test3_00863.id
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier all
