Providers/PostGre/config.ps1
#Load Up PostGre libraries Add-Type -Path "$PSScriptRoot\Npgsql.dll" #Provider Class . "$PSScriptRoot\provider.ps1" #Open Cmdlet Function Open-PostGreConnection { <# .Synopsis Open a connection to a PostGre Database. .Description Open a connection to a PostGre Database. PostGreSQL @ https://www.postgresql.org/ PostGre via Npgsql @ http://www.npgsql.org/ .NET Provider @ https://www.nuget.org/packages/Npgsql/ .Parameter ConnectionName The name to associate with the newly created connection. This connection will be used with other cmdlets when specifying -ConnectionName <name>. If you don't specify one, it will be set to the default. .Parameter ConnectionString Specifies a provider specific connectionstring to be used. .Parameter CommandTimeout The default command timeout to be used for all commands executed against this connection. .Parameter Server The Server for the connection. .Parameter Database Database name. .Parameter Port Port to connect on, if different from default (5432). .Parameter UserName User to authenticate as. .Parameter Password Password for the user. .Parameter MaxAutoPrepare The maximum number SQL statements that can be automatically prepared at any given point. Beyond this number the least-recently-used statement will be recycled. Zero disables automatic preparation. DEFAULTS TO 25. #> [CmdletBinding(DefaultParameterSetName="default")] Param([Parameter(ValueFromPipelineByPropertyName)][Alias("cn")][string]$ConnectionName = "default" , [Parameter(ValueFromPipelineByPropertyName)][int]$CommandTimeout = 30 , [Parameter(ValueFromPipelineByPropertyName, ParameterSetName="default", Position=0)] [Parameter(ValueFromPipelineByPropertyName, ParameterSetName="userpass", Position=0)][string]$Server = "localhost" , [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName="default", Position=1)] [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName="userpass", Position=1)][string]$Database , [Parameter(ValueFromPipelineByPropertyName, ParameterSetName="default")] [Parameter(ValueFromPipelineByPropertyName, ParameterSetName="userpass")][int]$Port = 5432 , [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName="default")][pscredential]$Credential , [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName="userpass")][string]$UserName , [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName="userpass")][string]$Password , [Parameter(ValueFromPipelineByPropertyName, ParameterSetName="default")] [Parameter(ValueFromPipelineByPropertyName, ParameterSetName="userpass")][string]$MaxAutoPrepare = 25 , [Parameter(Mandatory, ValueFromPipelineByPropertyName, ParameterSetName="Conn")][string]$ConnectionString) If($Script:Connections.ContainsKey($ConnectionName)) { Close-SqlConnection $ConnectionName } $sb = [Npgsql.NpgsqlConnectionStringBuilder]::new() $sb["Application Name"] = "PowerShell ({0})" -f $ConnectionName $sb["Max Auto Prepare"] = $MaxAutoPrepare If($PSCmdlet.ParameterSetName -eq "Conn") { $conn = [Npgsql.NpgsqlConnection]::new($ConnectionString) } Else { $sb.Server = $Server $sb.Database = $Database If($Port) { $sb.Port = $Port } If($Credential) { $sb.Username = $Credential.UserName $sb.Password = $Credential.GetNetworkCredential().Password } Else { Write-Warning "You are using -UserName and -Password, these options are deprecated and will be removed in the future. Please consider using -Credential." $sb.Username = $UserName $sb.Password = $Password } $conn = [Npgsql.NpgsqlConnection]::new($sb.ConnectionString) $sb.Clear() $sb = $null Remove-Variable sb } Try { $conn.Open() } Catch { $conn.Dispose() Throw $_ } $Script:Connections.$ConnectionName = [PostGreProvider]::new($ConnectionName, $CommandTimeout, $conn) } Export-ModuleMember -Function Open-PostGreConnection |