functions/Get-DbaDbFeatureUsage.ps1

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function Get-DbaDbFeatureUsage {
    <#
    .SYNOPSIS
        Shows features that are enabled in the database but not supported on all editions of SQL Server. Basically checks for Enterprise feature usage.
 
    .DESCRIPTION
        Shows features that are enabled in the database but not supported on all editions of SQL Server.
 
        Basically checks for Enterprise feature usage.
 
        This feature must be removed before the database can be migrated to all available editions of SQL Server.
 
    .PARAMETER SqlInstance
        The target SQL Server instance
 
    .PARAMETER SqlCredential
        Login to the target instance using alternate Windows or SQL Login Authentication. Accepts credential objects (Get-Credential).
 
    .PARAMETER Database
        The database(s) to process - this list is auto-populated from the server. If unspecified, all databases will be processed.
 
    .PARAMETER ExcludeDatabase
        The database(s) to exclude - this list is auto-populated from the server
 
    .PARAMETER InputObject
        A collection of databases (such as returned by Get-DbaDatabase), to be tested.
 
    .PARAMETER EnableException
        By default, when something goes wrong we try to catch it, interpret it and give you a friendly warning message.
        This avoids overwhelming you with "sea of red" exceptions, but is inconvenient because it basically disables advanced scripting.
        Using this switch turns this "nice by default" feature off and enables you to catch exceptions with your own try/catch.
 
    .NOTES
        Tags: Deprecated
        Author: Brandon Abshire, netnerds.net
 
        Website: https://dbatools.io
        Copyright: (c) 2018 by dbatools, licensed under MIT
        License: MIT https://opensource.org/licenses/MIT
 
    .LINK
        https://dbatools.io/Get-DbaDbFeatureUsage
 
    .EXAMPLE
        PS C:\> Get-DbaDatabase -SqlInstance sql2008 -Database testdb, db2 | Get-DbaDbFeatureUsage
 
        Shows features that are enabled in the testdb and db2 databases but
        not supported on the all the editions of SQL Server.
 
    #>

    [CmdletBinding()]
    param (
        [DbaInstanceParameter[]]$SqlInstance,
        [PSCredential]$SqlCredential,
        [string[]]$Database,
        [string[]]$ExcludeDatabase,
        [parameter(ValueFromPipeline)]
        [Microsoft.SqlServer.Management.Smo.Database[]]$InputObject,
        [switch]$EnableException
    )

    begin {
        $sql = "SELECT SERVERPROPERTY('MachineName') AS ComputerName,
            ISNULL(SERVERPROPERTY('InstanceName'), 'MSSQLSERVER') AS InstanceName,
            SERVERPROPERTY('ServerName') AS SqlInstance, feature_id as Id,
            feature_name as Feature, DB_NAME() as [Database] FROM sys.dm_db_persisted_sku_features"

    }

    process {
        foreach ($instance in $SqlInstance) {
            $InputObject += Get-DbaDatabase -SqlInstance $instance -SqlCredential $SqlCredential -Database $Database -ExcludeDatabase $ExcludeDatabase
        }
        foreach ($db in $InputObject) {
            Write-Message -Level Verbose -Message "Processing $db on $($db.Parent.Name)"

            if ($db.IsAccessible -eq $false) {
                Stop-Function -Message "The database $db is not accessible. Skipping database." -Continue
            }

            try {
                $db.Query($sql)
            } catch {
                Stop-Function -Message "Failure" -ErrorRecord $_ -Continue
            }
        }
    }
}