' Windows Installer utility to execute SQL statements against an installer database
' For use with Windows Scripting Host, CScript.exe or WScript.exe
' Copyright (c) Microsoft Corporation. All rights reserved.
' Demonstrates the script-driven database queries and updates
'
Option Explicit
Const msiOpenDatabaseModeReadOnly = 0
Const msiOpenDatabaseModeTransact = 1
Dim argNum, argCount:argCount = Wscript.Arguments.Count
If (argCount < 2) Then
Wscript.Echo "Windows Installer utility to execute SQL queries against an installer database." &_
vbLf & " The 1st argument specifies the path to the MSI database, relative or full path" &_
vbLf & " Subsequent arguments specify SQL queries to execute - must be in double quotes" &_
vbLf & " SELECT queries will display the rows of the result list specified in the query" &_
vbLf & " Binary data columns selected by a query will not be displayed" &_
vblf &_
vblf & "Copyright (C) Microsoft Corporation. All rights reserved."
Wscript.Quit 1
End If
' Scan arguments for valid SQL keyword and to determine if any update operations
Dim openMode : openMode = msiOpenDatabaseModeReadOnly
For argNum = 1 To argCount - 1
Dim keyword : keyword = Wscript.Arguments(argNum)
Dim keywordLen : keywordLen = InStr(1, keyword, " ", vbTextCompare)
If (keywordLen) Then keyword = UCase(Left(keyword, keywordLen - 1))
If InStr(1, "UPDATE INSERT DELETE CREATE ALTER DROP", keyword, vbTextCompare) Then
openMode = msiOpenDatabaseModeTransact
ElseIf keyword <> "SELECT" Then
Fail "Invalid SQL statement type: " & keyword
End If
Next
' Connect to Windows installer object
On Error Resume Next
Dim installer : Set installer = Nothing
Set installer = Wscript.CreateObject("WindowsInstaller.Installer") : CheckError
' Open database
Dim databasePath:databasePath = Wscript.Arguments(0)
Dim database : Set database = installer.OpenDatabase(databasePath, openMode) : CheckError
' Process SQL statements
Dim query, view, record, message, rowData, columnCount, delim, column
For argNum = 1 To argCount - 1
query = Wscript.Arguments(argNum)
Set view = database.OpenView(query) : CheckError
view.Execute : CheckError
If Ucase(Left(query, 6)) = "SELECT" Then
Do
Set record = view.Fetch
If record Is Nothing Then Exit Do
columnCount = record.FieldCount
rowData = Empty
delim = " "
For column = 1 To columnCount
If column = columnCount Then delim = vbLf
rowData = rowData & record.StringData(column) & delim
Next
message = message & rowData
Loop
End If
Next
If openMode = msiOpenDatabaseModeTransact Then database.Commit
If Not IsEmpty(message) Then Wscript.Echo message
Wscript.Quit 0
Sub CheckError
Dim message, errRec
If Err = 0 Then Exit Sub
message = Err.Source & " " & Hex(Err) & ": " & Err.Description
If Not installer Is Nothing Then
Set errRec = installer.LastErrorRecord
If Not errRec Is Nothing Then message = message & vbLf & errRec.FormatText
End If
Fail message
End Sub
Sub Fail(message)
Wscript.Echo message
Wscript.Quit 2
End Sub