SQL Random Line - SQL Source Code in ASP

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Home » ASP Home » SQL Home » SQL Random Line

A D V E R T I S E M E N T

Title	SQL Random Line
Description	Returns a SQL random line
Category	ASP » SQL
Hits	379272
Code	Select and Copy the Code
Function SQLRandomLines(proc, params, fname, count) Dim i, j, k, rid, rs, result, records, reccount, normalized On Error Resume Next PushError SQLRandomLines = Null Set rs = iOpen(proc, params) If CheckPopError Then Exit Function End If If rs.EOF Then rs.Close Set rs = Nothing Exit Function End If records = rs.GetRows(adGetRowsRest) If CheckPopError Then Exit Function End If rid = -1 For i = 0 To rs.Fields.Count - 1 If (rs.Fields(i).Name = fname) Then rid = i End If Next If (rid < 0) Or (rid > rs.Fields.Count - 1) Then rid = -1 End If rs.Close Set rs = Nothing If (rid = -1) Then Exit Function End If reccount = UBound(records, 2) - LBound(records, 2) + 1 If (reccount >= count) Then normalized = RandomArray(count, LBound(records, 2), UBound(records, 2)) For i = LBound(normalized) To UBound(normalized) normalized(i) = records(rid, normalized(i)) Next Else normalized = RandomArray(reccount, LBound(records, 2), UBound(records, 2)) For i = LBound(normalized) To UBound(normalized) normalized(i) = records(rid, normalized(i)) Next End If ReDim result(UBound(records, 1), UBound(normalized)) For k = LBound(records, 2) To UBound(records, 2) For i = LBound(normalized) To UBound(normalized) If (CStr(records(rid, k)) = CStr(normalized(i))) Then For j = LBound(records, 1) To UBound(records, 1) If (TypeName(records(j, k)) = "String") Then result(j, i) = VarTrimStr(records(j, k)) Else result(j, i) = records(j, k) End If Next End If Next Next SQLRandomLines = result End Function

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