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 or (children 1)
     ExpressionList (children 3)
      Function and (children 1)
       ExpressionList (children 3)
        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 greater (children 1)
         ExpressionList (children 2)
          Identifier i
          Literal UInt64_7
      Function and (children 1)
       ExpressionList (children 3)
        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 greater (children 1)
         ExpressionList (children 2)
          Identifier i
          Literal UInt64_8
      Function and (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