d365fo.tools

0.6.37

functions/clear-d365tabledatafrombacpac.ps1

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<#
    .SYNOPSIS
        Clear out data for a table inside the bacpac file
         
    .DESCRIPTION
        Remove all data for a table inside a bacpac file, before restoring it into your SQL Server / Azure SQL DB
         
        It will extract the bacpac file as a zip archive, locate the desired table and remove the data that otherwise would have been loaded
         
        It will re-zip / compress a new bacpac file for you
         
    .PARAMETER Path
        Path to the bacpac file that you want to work against
         
        It can also be a zip file
         
    .PARAMETER TableName
        Name of the table that you want to delete the data for
         
        Supports an array of table names
         
        If a schema name isn't supplied as part of the table name, the cmdlet will prefix it with "dbo."
         
    .PARAMETER OutputPath
        Path to where you want the updated bacpac file to be saved
         
    .EXAMPLE
        PS C:\> Clear-D365TableDataFromBacpac -Path "C:\Temp\AxDB.bacpac" -TableName "BATCHJOBHISTORY" -OutputPath "C:\Temp\AXBD_Cleaned.bacpac"
         
        This will remove the data from the BatchJobHistory table from inside the bacpac file.
         
        It uses "C:\Temp\AxDB.bacpac" as the Path for the bacpac file.
        It uses "BATCHJOBHISTORY" as the TableName to delete data from.
        It uses "C:\Temp\AXBD_Cleaned.bacpac" as the OutputPath to where it will store the updated bacpac file.
         
    .EXAMPLE
        PS C:\> Clear-D365TableDataFromBacpac -Path "C:\Temp\AxDB.bacpac" -TableName "dbo.BATCHHISTORY","BATCHJOBHISTORY" -OutputPath "C:\Temp\AXBD_Cleaned.bacpac"
         
        This will remove the data from the BatchJobHistory table from inside the bacpac file.
         
        It uses "C:\Temp\AxDB.bacpac" as the Path for the bacpac file.
        It uses "dbo.BATCHHISTORY","BATCHJOBHISTORY" as the TableName to delete data from.
        It uses "C:\Temp\AXBD_Cleaned.bacpac" as the OutputPath to where it will store the updated bacpac file.
         
    .NOTES
        Tags: Bacpac, Servicing, Data, Deletion, SqlPackage
         
        Author: Mötz Jensen (@Splaxi)
         
#>

function Clear-D365TableDataFromBacpac {
    [CmdletBinding()]
    param (
        [Parameter(Mandatory = $true)]
        [Alias('File')]
        [Alias('BacpacFile')]
        [string] $Path,

        [Parameter(Mandatory = $true)]
        [string[]] $TableName,

        [Parameter(Mandatory = $true)]
        [string] $OutputPath
    )
    
    begin {
        if (-not (Test-PathExists -Path $Path -Type Leaf)) { return }

        $compressPath = ""
        $newFilename = ""

        if ($OutputPath -like "*.bacpac") {
            $compressPath = $OutputPath.Replace(".bacpac", ".zip")
            $newFilename = Split-Path -Path $OutputPath -Leaf
        }
        else {
            $compressPath = $OutputPath
        }

        if (-not (Test-PathExists -Path $compressPath -Type Leaf -ShouldNotExist)) {
            Write-PSFMessage -Level Host -Message "The <c='em'>$compressPath</c> already exists. Consider changing the <c='em'>OutputPath</c> or <c='em'>delete</c> the <c='em'>$compressPath</c> file."
            return
        }

        if (-not (Test-PathExists -Path $OutputPath -Type Leaf -ShouldNotExist)) {
            Write-PSFMessage -Level Host -Message "The <c='em'>$OutputPath</c> already exists. Consider changing the <c='em'>OutputPath</c> or <c='em'>delete</c> the <c='em'>$OutputPath</c> file."
            return
        }

        Copy-Item -Path $Path -Destination $compressPath

        if (Test-PSFFunctionInterrupt) { return }

        $zipFileMetadata = [System.IO.Compression.ZipFile]::Open($compressPath, [System.IO.Compression.ZipArchiveMode]::Update)
    }
    
    process {
        if (Test-PSFFunctionInterrupt) { return }
        
        foreach ($table in $TableName) {
            $fullTableName = ""

            if (-not ($table -like "*.*")) {
                $fullTableName = "dbo.$table"
            }
            else {
                $fullTableName = $table
            }

            $entries = $zipFileMetadata.Entries | Where-Object Fullname -like "Data/*$fullTableName*"

            if ($entries.Count -lt 1) {
                Write-PSFMessage -Level Host -Message "The <c='em'>$table</c> wasn't found. Please ensure that the <c='em'>schema</c> or <c='em'>name</c> is correct."
                Stop-PSFFunction -Message "Stopping because table was not present."
                return
            }

            for ($i = 0; $i -lt $entries.Count; $i++) {
                $entries[$i].delete()
            }
        }
    }
    
    end {
        $res = @{ }

        $zipFileMetadata.Dispose()

        if ($newFilename -ne "") {
            Rename-Item -Path $compressPath -NewName $newFilename
            $res.File = Join-path -Path $(Split-Path -Path $compressPath -Parent) -ChildPath $newFilename
            $res.Filename = $newFilename
        }
        else {
            $res.File = $compressPath
            $res.Filename = $(Split-Path -Path $compressPath -Leaf)
        }

        [PSCustomObject]$res
    }
}