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<# | |
.SYNOPSIS | |
Performs a SQL query and returns an array of PSObjects. | |
.NOTES | |
Author: Jourdan Templeton - hello@jourdant.me | |
.LINK | |
https://blog.jourdant.me/post/simple-sql-in-powershell | |
#> | |
function Invoke-SqlCommand() { | |
[cmdletbinding(DefaultParameterSetName="integrated")]Param ( | |
[Parameter(Mandatory=$true)][Alias("Serverinstance")][string]$Server, | |
[Parameter(Mandatory=$true)][string]$Database, | |
[Parameter(Mandatory=$true, ParameterSetName="not_integrated")][string]$Username, | |
[Parameter(Mandatory=$true, ParameterSetName="not_integrated")][string]$Password, | |
[Parameter(Mandatory=$false, ParameterSetName="integrated")][switch]$UseWindowsAuthentication = $true, | |
[Parameter(Mandatory=$true)][string]$Query, | |
[Parameter(Mandatory=$false)][int]$CommandTimeout=0 | |
) | |
#build connection string | |
$connstring = "Server=$Server; Database=$Database; " | |
If ($PSCmdlet.ParameterSetName -eq "not_integrated") { $connstring += "User ID=$username; Password=$password;" } | |
ElseIf ($PSCmdlet.ParameterSetName -eq "integrated") { $connstring += "Trusted_Connection=Yes; Integrated Security=SSPI;" } | |
#connect to database | |
$connection = New-Object System.Data.SqlClient.SqlConnection($connstring) | |
$connection.Open() | |
#build query object | |
$command = $connection.CreateCommand() | |
$command.CommandText = $Query | |
$command.CommandTimeout = $CommandTimeout | |
#run query | |
$adapter = New-Object System.Data.SqlClient.SqlDataAdapter $command | |
$dataset = New-Object System.Data.DataSet | |
$adapter.Fill($dataset) | out-null | |
#return the first collection of results or an empty array | |
If ($dataset.Tables[0] -ne $null) {$table = $dataset.Tables[0]} | |
ElseIf ($table.Rows.Count -eq 0) { $table = New-Object System.Collections.ArrayList } | |
$connection.Close() | |
return $table | |
} |
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