InsertQuery   (children 3)
 Function file (children 1)
  ExpressionList (children 3)
   Function concat (children 1)
    ExpressionList (children 2)
     Function currentDatabase (children 1)
      ExpressionList
     Literal \'/test2/data.Parquet\'
   Literal \'Parquet\'
   Literal \'number UInt64\'
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Asterisk
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 2)
         Literal UInt64_10
         Literal UInt64_10
    Set
 Set
