InsertQuery   (children 3)
 Function file (children 1)
  ExpressionList (children 1)
   Identifier 02421_data.jsonl
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Literal \'42.42\' (alias d)
    Set
 Set
