SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 2)
   ExpressionList (children 3)
    Function sumForEach (children 1)
     ExpressionList (children 1)
      Identifier arr
    Function sumForEachIf (children 1)
     ExpressionList (children 2)
      Identifier arr
      Function equals (children 1)
       ExpressionList (children 2)
        Function arrayElement (children 1)
         ExpressionList (children 2)
          Identifier arr
          Literal UInt64_1
        Literal UInt64_1
    Function sumIfForEach (children 1)
     ExpressionList (children 2)
      Identifier arr
      Function arrayMap (children 1)
       ExpressionList (children 2)
        Function lambda (children 1)
         ExpressionList (children 2)
          Function tuple (children 1)
           ExpressionList (children 1)
            Identifier x
          Function notEquals (children 1)
           ExpressionList (children 2)
            Identifier x
            Literal UInt64_5
        Identifier arr
   TablesInSelectQuery (children 1)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      Subquery (children 1)
       SelectWithUnionQuery (children 1)
        ExpressionList (children 1)
         SelectQuery (children 1)
          ExpressionList (children 1)
           Function arrayJoin (alias arr) (children 1)
            ExpressionList (children 1)
             Literal Array_[Array_[UInt64_1, UInt64_2, UInt64_3], Array_[UInt64_4, UInt64_5, UInt64_6]]
