InsertQuery   (children 3)
 Function file (children 1)
  ExpressionList (children 1)
   Function concat (children 1)
    ExpressionList (children 2)
     Function currentDatabase (children 1)
      ExpressionList
     Literal \'_02293_data.arrow\'
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 1)
     Function toLowCardinality (children 1)
      ExpressionList (children 1)
       Function toString (children 1)
        ExpressionList (children 1)
         Identifier number
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       Function numbers (children 1)
        ExpressionList (children 1)
         Literal UInt64_300
    Set
 Set