85 lines
2.6 KiB
PowerShell
85 lines
2.6 KiB
PowerShell
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function Invoke-QueryByConnectionString {
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param (
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[Parameter(Mandatory = $true)]
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[string]$ConnectionString,
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[Parameter(Mandatory = $true)]
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[string]$QueryString
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)
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$logLead = Get-LogLeadName
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$conn = New-Object System.Data.SqlClient.SqlConnection
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try {
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$conStrBuilder = New-Object System.Data.SqlClient.SqlConnectionStringBuilder($ConnectionString)
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} catch [System.Management.Automation.MethodException] {
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Write-Warning "$logLead : Provided connection string [$ConnectionString] is invalid. Execution cannot continue."
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return $null
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}
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$conn.ConnectionString = $conStrBuilder.ToString()
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Write-Verbose ("$logLead : Connecting to database with connection string {0}" -f $conStrBuilder.ToString())
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if (-not (Confirm-DatabaseAccess -ConnectionString $conStrBuilder.ToString())) {
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Write-Error "$logLead : You can not connect to the database server, do you have access and is it online?"
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return
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}
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$handler = [System.Data.SqlClient.SqlInfoMessageEventHandler] {
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param($sender, $event)
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Write-Host $event.Message
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};
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try {
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$conn.add_InfoMessage($handler);
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$conn.FireInfoMessageEventOnUserErrors = $true
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$conn.Open()
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$query = New-Object System.Data.SqlClient.SqlCommand($QueryString, $conn)
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$reader = $query.ExecuteReader()
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$allResults = New-Object -TypeName "System.Collections.ArrayList"
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do {
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$currentResults = @()
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$columns = @()
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for ($i = 0; $i -lt $reader.FieldCount; $i++) {
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$columns += $reader.GetName($i)
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}
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while ($reader.Read()) {
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$rowResult = @{}
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for ($i = 0; $i -lt $reader.FieldCount; $i++) {
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if ($reader.IsDBNull($i)) {
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$rowResult[$columns[$i]] = $null
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} else {
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$rowResult[$columns[$i]] = $reader[$i]
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}
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}
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$currentResults += $rowResult
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}
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$allResults.Add($currentResults) | Out-Null
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} while ($reader.NextResult())
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return $allResults
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} catch {
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Write-Warning "$logLead : An exception occurred while trying to execute the specified query against the database"
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Write-Warning "$logLead : $($_.ToString())"
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Write-Warning "$logLead : $($_.ScriptStackTrace)"
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return $null
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} finally {
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if (($null -ne $conn) -and ($conn.State -ne [System.Data.ConnectionState]::Closed)) {
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$conn.Close()
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}
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$conn = $null
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}
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}
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