Excel vba how to pass range to a function retrieve data from mysql

I write a vba to pass the offset of range as input of query table of another function but i encounter error.

Sub test2()

Dim LastCol As Long
With ThisWorkbook.Sheets("Summary (AIX)")
LastCol = .Range("A2").SpecialCells(xlCellTypeLastCell).Column
End With

Dim r As Long
Dim ser_name As String
Dim y As String

For r = (LastCol - 1) To 2 Step -2
With ThisWorkbook.Sheets("Summary (AIX)")
y = Cells(2 + 2, r + 1).Address(RowAbsolute:=False, ColumnAbsolute:=False)

MsgBox CStr(Cells(2, r).Value)
ser_name = CStr(Cells(2, r).Value)
get_unix_avg_cpu ser_name, y
End With
Next r
End Sub


Sub get_unix_avg_cpu(server_hostname, x)

Dim oRS As ADODB.Recordset
Dim ConnString As String
Dim SQL As String

Dim qt As QueryTable

ConnString = "Driver={MySQL ODBC 5.1 Driver};Server=localhost;Database=test;User=root;Password=123456;Option=3;"
Set oCn = New ADODB.Connection
oCn.ConnectionString = ConnString

SQL = "SELECT cpu_max_unix_0.CPU FROM test.cpu_max_unix cpu_max_unix_0 where cpu_max_unix_0.SERVER_NAME='" & server_hostname & "' Order By cpu_max_unix_0.LOGDATE"

Set oRS = New ADODB.Recordset
oRS.Source = SQL
oRS.ActiveConnection = oCn

Set qt = ThisWorkbook.Sheets("Summary (AIX)").QueryTables.Add(Connection:=oRS, _
Destination:=ThisWorkbook.Sheets("Summary (AIX)").Range(x))


If oRS.State <> adStateClosed Then
End If

If Not oRS Is Nothing Then Set oRS = Nothing
If Not oCn Is Nothing Then Set oCn = Nothing

End Sub

Stop on "Sub get_unix_avg_cpu(server_hostname, x)" Compile error :User defined type not defined

Please help!!


ADODB is an external library, that means that it isn't built into Excel, so you need to add it to your project.

To do this, in the IDE click Tools > References

Then scroll down until you find "Microsoft ActiveX Data Objects", there'll be a few of these so pick the one with the highest number, tick it and then press ok.

You should then be able to run your code.

This approach is known as Early Binding and for your workbook to work for other people they will also need this reference installed on their computer. In general, when developing it is best to use the lowest version of the library that your code will run on. You could also use late binding.

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