InsertQuery   (children 3)
 Function file (children 1)
  ExpressionList (children 3)
   Function concat (children 1)
    ExpressionList (children 2)
     Function currentDatabase (children 1)
      ExpressionList
     Literal \'_data_02313.avro\'
   Identifier auto
   Literal \'a Nested(b UInt32, c UInt32)\'
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 2)
     Function array (children 1)
      ExpressionList (children 2)
       Identifier number
       Function plus (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_1
     Function array (children 1)
      ExpressionList (children 2)
       Function plus (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_2
       Function plus (children 1)
        ExpressionList (children 2)
         Identifier number
         Literal UInt64_3
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_3
    Set
 Set
