InsertQuery   (children 3)
 Function file (children 1)
  ExpressionList (children 1)
   Identifier 02405_data.avro
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Function CAST (alias nested) (children 1)
      ExpressionList (children 2)
       Literal \'[(1, \\\'aa\\\'), (2, \\\'bb\\\')]\'
       Literal \'Nested(x UInt32, y String)\'
    Set
 Set