SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 3)
   ExpressionList (children 1)
    Literal UInt64_1
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier visits
    TablesInSelectQueryElement (children 1)
     ArrayJoin (children 1)
      ExpressionList (children 1)
       Function arrayFilter (alias i) (children 1)
        ExpressionList (children 2)
         Function lambda (children 1)
          ExpressionList (children 2)
           Function tuple (children 1)
            ExpressionList (children 1)
             Identifier t
           Literal UInt64_1
         Function arrayMap (children 1)
          ExpressionList (children 2)
           Function lambda (children 1)
            ExpressionList (children 2)
             Function tuple (children 1)
              ExpressionList (children 1)
               Identifier x
             Function tuple (children 1)
              ExpressionList (children 1)
               Identifier x
           Literal Array_[UInt64_42]
   Function in (children 1)
    ExpressionList (children 2)
     Function tuple (children 1)
      ExpressionList (children 2)
       Identifier str
       Function tupleElement (children 1)
        ExpressionList (children 2)
         Identifier i
         Literal UInt64_1
     Literal Tuple_(\'x\', UInt64_0)
