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Invoke-SQLCmd2 - Bug Fix EventHandler Management + Out to file #20

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Invoke-SQLCmd2 - Bug Fix EventHandler Management + Out to file #20

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53 changes: 47 additions & 6 deletions Invoke-Sqlcmd2.ps1
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Original file line number Diff line number Diff line change
Expand Up @@ -160,7 +160,9 @@
v1.6.1 - Shiyang Qiu - Fixed the verbose option and SQL error handling conflict
v1.6.2 - Shiyang Qiu - Fixed the .DESCRIPTION.
- Fixed the non SQL error handling and added Finally Block to close connection.

v1.6.3 - Jefferson Elias - Added a parameter called "OutputFile" to allow to output "PRINT" results to a file
- Fixed an issue when calling Invoke-SQLCmd2 multiple times with -Verbose option
(added a call to remove_InfoMessage)
.LINK
https://github.com/RamblingCookieMonster/PowerShell

Expand Down Expand Up @@ -312,7 +314,26 @@
[Alias( 'Connection', 'Conn' )]
[ValidateNotNullOrEmpty()]
[System.Data.SqlClient.SQLConnection]
$SQLConnection
$SQLConnection,
[Parameter( ParameterSetName='Ins-Fil',
Position=11,
Mandatory=$false,
ValueFromPipelineByPropertyName=$true,
ValueFromRemainingArguments=$false )]
[Parameter( ParameterSetName = 'Con-Que',
Position=11,
Mandatory=$false,
ValueFromPipeline=$false,
ValueFromPipelineByPropertyName=$false,
ValueFromRemainingArguments=$false )]
[Parameter( ParameterSetName='Con-Fil',
Position=11,
Mandatory=$false,
ValueFromPipelineByPropertyName=$true,
ValueFromRemainingArguments=$false )]
[ValidateScript({ Test-Path $_ -IsValid })]
[string]
$OutputFile
)

Begin
Expand Down Expand Up @@ -414,6 +435,9 @@
}
Process
{
$OutToFileHandler = $null
$VerboseHandler = $null

foreach($SQLInstance in $ServerInstance)
{
Write-Verbose "Querying ServerInstance '$SQLInstance'"
Expand Down Expand Up @@ -448,12 +472,19 @@
}
}

#Following EventHandler is used for PRINT and RAISERROR T-SQL statements. Executed when -OutputFile parameter specified
if($OutputFile -ne $null) {
$conn.FireInfoMessageEventOnUserErrors=$false # Shiyang, $true will change the SQL exception to information
$OutToFileHandler = [System.Data.SqlClient.SqlInfoMessageEventHandler] { Out-File -FilePath $OutputFile -InputObject "$($_)" -Append }
$conn.add_InfoMessage($OutToFileHandler)
}

#Following EventHandler is used for PRINT and RAISERROR T-SQL statements. Executed when -Verbose parameter specified by caller
if ($PSBoundParameters.Verbose)
{
$conn.FireInfoMessageEventOnUserErrors=$false # Shiyang, $true will change the SQL exception to information
$handler = [System.Data.SqlClient.SqlInfoMessageEventHandler] { Write-Verbose "$($_)" }
$conn.add_InfoMessage($handler)
$VerboseHandler = [System.Data.SqlClient.SqlInfoMessageEventHandler] { Write-Verbose "$($_)" }
$conn.add_InfoMessage($VerboseHandler)
}

$cmd = New-Object system.Data.SqlClient.SqlCommand($Query,$conn)
Expand Down Expand Up @@ -515,7 +546,17 @@
if(-not $PSBoundParameters.ContainsKey('SQLConnection'))
{
$conn.Close()
}
}

# Fix bug on multiple calls of Invoke-SQLCmd2
if($OutToFileHandler -ne $null) {
$conn.remove_InfoMessage($OutToFileHandler)
}

if($VerboseHandler -ne $null) {
$conn.remove_InfoMessage($VerboseHandler)
}
# End bug fix
}

if($AppendServerInstance)
Expand Down Expand Up @@ -560,4 +601,4 @@
}
}
}
} #Invoke-Sqlcmd2
} #Invoke-Sqlcmd2