internal/functions/Compare-DbaCollationSensitiveObject.ps1
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.SYNOPSIS Filters InputObject, Compares a property to value(s) using a given sql server collation .DESCRIPTION The Compare-DbaCollationSensitiveObject command filters an Inputobject using a string comparer builder provided by the SMO, for a given sql server collation. .PARAMETER InputObject The Object to Filter .PARAMETER Property Name of the Property of InputObject to compare .PARAMETER Value Object that Property is compared against .PARAMETER In Members of InputObject where the value of the Property is within the Value set are returned .PARAMETER NotIn Members of InputObject where the value of the Property is not within the Value set are returned .PARAMETER Eq Members of InputObject where the value of the Property is equivalent to the Value .PARAMETER Ne Members of InputObject where the value of the Property is not not equivalent to the Value .PARAMETER Collation Name of the collation to use for comparison .NOTES Tags: Database Author: Charles Hightower Website: https://dbatools.io Copyright: (c) 2021 by dbatools, licensed under MIT License: MIT https://opensource.org/licenses/MIT .EXAMPLE PS C:\> $server = Connect-DbaInstance -SqlInstance localhost PS C:\> $lastCopyOnlyBackups = Get-DbaDbBackupHistory -SqlInstance $server -LastFull -IncludeCopyOnly | Where-Object IsCopyOnly PS C:\> $server.Databases | Compare-DbaCollationSensitiveObject -Property Name -In -Value $lastCopyOnlyBackups.Database -Collation $server.Collation Returns all databases on the local default SQL Server instance with copy only backups using the collation of the SqlInstance .EXAMPLE PS C:\> $server = Connect-DbaInstance -SqlInstance localhost PS C:\> $lastFullBackups = Get-DbaDbBackupHistory -SqlInstance $server -LastFull PS C:\> $server.Databases | Compare-DbaCollationSensitiveObject -Property Name -NotIn -Value $lastFullBackups.Database -Collation $server.Collation Returns only the databases on the local default SQL Server instance without a Full Backup, using the collation of the SqlInstance #> Function Compare-DbaCollationSensitiveObject { [CmdletBinding()] param( [parameter(Mandatory, ValueFromPipeline = $true)] [psObject]$InputObject, [parameter(Mandatory)] [string]$Property, [parameter(Mandatory, ParameterSetName = 'In')] [switch]$In, [parameter(Mandatory, ParameterSetName = 'NotIn')] [switch]$NotIn, [parameter(Mandatory, ParameterSetName = 'Eq')] [switch]$Eq, [parameter(Mandatory, ParameterSetName = 'Ne')] [switch]$Ne, [parameter(Mandatory)] [object]$Value, [parameter(Mandatory)] [String]$Collation) begin { #If InputObject is passed in by name, change it to a pipeline, so we can use the process block if ($PSBoundParameters['InputObject']) { $newParamaters = $PSBoundParameters $null = $newParamaters.Remove('InputObject') return $InputObject | Compare-DbaCollationSensitiveObject @newParamaters } $stringComparer = (New-Object -TypeName Microsoft.SqlServer.Management.Smo.Server).getStringComparer($Collation) } process { $obj = $_ if (-not $obj) { return } switch ($PsCmdlet.ParameterSetName) { "In" { foreach ($dif in $Value) { if ($stringComparer.Compare($obj.$Property, $dif) -eq 0) { return $obj } } break } "NotIn" { $matchFound = $false foreach ($dif in $Value) { if ($stringComparer.Compare($obj.$Property, $dif) -eq 0) { $matchFound = $true } } if (-not $matchFound) { return $obj } break } "Eq" { if ($stringComparer.Compare($obj.Property, $Value) -eq 0) { return $obj } break } "Ne" { if ($stringComparer.Compare($obj.$Property, $Value) -ne 0) { return $obj } break } } } end { } } # 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