InsertQuery   (children 2)
 Identifier defaults
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Identifier s
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function generateRandom (children 1)
        ExpressionList (children 4)
         Literal \'s FixedString(20)\'
         Literal UInt64_1
         Literal UInt64_1
         Literal UInt64_1
    Literal UInt64_20