Explain EXPLAIN SYNTAX (children 1)
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Identifier i
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier cnf_test
    Function not (children 1)
     ExpressionList (children 1)
      Function and (children 1)
       ExpressionList (children 3)
        Function or (children 1)
         ExpressionList (children 2)
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier i
            Literal UInt64_1
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier i
            Literal UInt64_2
        Function or (children 1)
         ExpressionList (children 2)
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier i
            Literal UInt64_3
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier i
            Literal UInt64_4
        Function or (children 1)
         ExpressionList (children 2)
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier i
            Literal UInt64_5
          Function greater (children 1)
           ExpressionList (children 2)
            Identifier i
            Literal UInt64_6