InsertQuery   (children 2)
 Identifier min_if
 SelectWithUnionQuery (children 1)
  ExpressionList (children 1)
   SelectQuery (children 3)
    ExpressionList (children 3)
     Function emptyArrayUInt8 (alias arr) (children 1)
      ExpressionList
     Literal \'\' (alias str)
     Function toInt32 (alias int) (children 1)
      ExpressionList (children 1)
       Literal UInt64_0
    TablesInSelectQuery (children 1)
     TablesInSelectQueryElement (children 1)
      TableExpression (children 1)
       TableIdentifier system.numbers
    Literal UInt64_100000