InsertQuery   (children 2)
 Function file (children 1)
  ExpressionList (children 3)
   Literal \'02168_avro_bug.avro\'
   Literal \'Parquet\'
   Literal \'x UInt64\'
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_10