SelectWithUnionQuery (children 1)
 ExpressionList (children 1)
  SelectQuery (children 4)
   ExpressionList (children 4)
    Function materialize (children 1)
     ExpressionList (children 1)
      Literal Array_[NULL]
    Function array (children 1)
     ExpressionList
    Literal UInt64_100
    Function count (children 1)
     ExpressionList (children 1)
      Function materialize (children 1)
       ExpressionList (children 1)
        Literal NULL
   TablesInSelectQuery (children 2)
    TablesInSelectQueryElement (children 1)
     TableExpression (children 1)
      TableIdentifier t1
    TablesInSelectQueryElement (children 2)
     TableExpression (children 1)
      TableIdentifier t2
     TableJoin (children 1)
      Function equals (children 1)
       ExpressionList (children 2)
        Identifier t1.key
        Identifier t2.key
   Literal UInt64_10
   Function notEquals (children 1)
    ExpressionList (children 2)
     Identifier t2.key
     Literal UInt64_0
