SelectWithUnionQuery (children 2)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Identifier tj.a
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier tj
     TableJoin (children 1)
      ExpressionList (children 2)
       Identifier key1
       Identifier key2
   ExpressionList (children 1)
    OrderByElement (children 1)
     Identifier key1
 Identifier TSVWithNames
