83 lines
2.9 KiB
Plaintext
83 lines
2.9 KiB
Plaintext
' Windows Installer utility to execute SQL statements against an installer database
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' For use with Windows Scripting Host, CScript.exe or WScript.exe
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' Copyright (c) 1999, Microsoft Corporation
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' Demonstrates the script-driven database queries and updates
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'
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Option Explicit
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Const msiOpenDatabaseModeReadOnly = 0
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Const msiOpenDatabaseModeTransact = 1
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Dim argNum, argCount:argCount = Wscript.Arguments.Count
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If (argCount < 2) Then
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Wscript.Echo "Windows Installer utility to execute SQL queries against an installer database." &_
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vbLf & " The 1st argument specifies the path to the MSI database, relative or full path" &_
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vbLf & " Subsequent arguments specify SQL queries to execute - must be in double quotes" &_
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vbLf & " SELECT queries will display the rows of the result list specified in the query" &_
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vbLf & " Binary data columns selected by a query will not be displayed"
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Wscript.Quit 1
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End If
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' Scan arguments for valid SQL keyword and to determine if any update operations
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Dim openMode : openMode = msiOpenDatabaseModeReadOnly
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For argNum = 1 To argCount - 1
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Dim keyword : keyword = Wscript.Arguments(argNum)
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Dim keywordLen : keywordLen = InStr(1, keyword, " ", vbTextCompare)
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If (keywordLen) Then keyword = UCase(Left(keyword, keywordLen - 1))
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If InStr(1, "UPDATE INSERT DELETE CREATE ALTER DROP", keyword, vbTextCompare) Then
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openMode = msiOpenDatabaseModeTransact
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ElseIf keyword <> "SELECT" Then
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Fail "Invalid SQL statement type: " & keyword
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End If
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Next
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' Connect to Windows installer object
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On Error Resume Next
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Dim installer : Set installer = Nothing
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Set installer = Wscript.CreateObject("WindowsInstaller.Installer") : CheckError
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' Open database
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Dim databasePath:databasePath = Wscript.Arguments(0)
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Dim database : Set database = installer.OpenDatabase(databasePath, openMode) : CheckError
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' Process SQL statements
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Dim query, view, record, message, rowData, columnCount, delim, column
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For argNum = 1 To argCount - 1
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query = Wscript.Arguments(argNum)
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Set view = database.OpenView(query) : CheckError
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view.Execute : CheckError
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If Ucase(Left(query, 6)) = "SELECT" Then
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Do
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Set record = view.Fetch
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If record Is Nothing Then Exit Do
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columnCount = record.FieldCount
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rowData = Empty
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delim = " "
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For column = 1 To columnCount
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If column = columnCount Then delim = vbLf
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rowData = rowData & record.StringData(column) & delim
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Next
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message = message & rowData
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Loop
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End If
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Next
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If openMode = msiOpenDatabaseModeTransact Then database.Commit
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If Not IsEmpty(message) Then Wscript.Echo message
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Wscript.Quit 0
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Sub CheckError
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Dim message, errRec
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If Err = 0 Then Exit Sub
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message = Err.Source & " " & Hex(Err) & ": " & Err.Description
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If Not installer Is Nothing Then
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Set errRec = installer.LastErrorRecord
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If Not errRec Is Nothing Then message = message & vbLf & errRec.FormatText
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End If
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Fail message
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End Sub
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Sub Fail(message)
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Wscript.Echo message
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Wscript.Quit 2
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End Sub
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