InsertQuery   (children 3)
 Function file (children 1)
  ExpressionList (children 1)
   Literal \'03626_parquet_bool.parquet\'
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 2)
    ExpressionList (children 1)
     Literal Bool_1 (alias x)
    Set
 Set