MySqlConnector - No ExportedTypes in Powershell 5 #1266

JuGGyFreak · 2022-12-24T00:10:54Z

JuGGyFreak
Dec 24, 2022

I can import and use MySqlConnector in Powershell 7, but can not get it to work with Powershell 5 :

[System.Reflection.Assembly]::LoadFrom("E:\lib\net461\MySqlConnector.dll") | Select-Object -ExpandProperty ExportedTypes
PS7 returns 58 types
PS5 returns nothing

Is there a solution or a work around ? or i'm i missing something here ?
Thank you !

bgrainger · 2022-12-24T00:42:05Z

bgrainger
Dec 24, 2022
Maintainer

Works for me?

PS C:\> $PSVersionTable

Name                           Value
----                           -----
PSVersion                      5.1.19041.1682
PSEdition                      Desktop
PSCompatibleVersions           {1.0, 2.0, 3.0, 4.0...}
BuildVersion                   10.0.19041.1682
CLRVersion                     4.0.30319.42000
WSManStackVersion              3.0
PSRemotingProtocolVersion      2.3
SerializationVersion           1.1.0.1


PS C:\> [System.Reflection.Assembly]::LoadFrom("C:\MySqlConnector\bin\net461\MySqlConnector.dll") | Select-Object -ExpandProperty ExportedTypes

IsPublic IsSerial Name                                     BaseType
-------- -------- ----                                     --------
True     False    DbColumn                                 System.Object
True     False    MySqlAttribute                           System.Object
True     False    MySqlAttributeCollection                 System.Object
True     False    MySqlBatch                               System.Object
True     False    MySqlBatchCommand                        System.Object
True     False    MySqlBatchCommandCollection              System.Object
True     False    MySqlBulkCopy                            System.Object
True     False    MySqlBulkCopyColumnMapping               System.Object
True     False    MySqlBulkCopyResult                      System.Object
True     False    MySqlBulkLoader                          System.Object
True     True     MySqlBulkLoaderConflictOption            System.Enum
True     True     MySqlBulkLoaderPriority                  System.Enum
True     True     MySqlCertificateStoreLocation            System.Enum
True     False    MySqlCommand                             System.Data.Common.DbCommand
True     False    MySqlCommandBuilder                      System.Data.Common.DbCommandBuilder
True     False    MySqlConnection                          System.Data.Common.DbConnection
True     True     MySqlConnectionProtocol                  System.Enum
True     False    MySqlConnectionStringBuilder             System.Data.Common.DbConnectionStringBuilder
True     False    MySqlConnectorFactory                    System.Data.Common.DbProviderFactory
True     True     MySqlConversionException                 System.Exception
True     False    MySqlDataAdapter                         System.Data.Common.DbDataAdapter
True     True     MySqlRowUpdatingEventHandler             System.MulticastDelegate
True     True     MySqlRowUpdatedEventHandler              System.MulticastDelegate
True     False    MySqlRowUpdatingEventArgs                System.Data.Common.RowUpdatingEventArgs
True     False    MySqlRowUpdatedEventArgs                 System.Data.Common.RowUpdatedEventArgs
True     False    MySqlDataReader                          System.Data.Common.DbDataReader
True     False    MySqlDateTime                            System.ValueType
True     True     MySqlDateTimeKind                        System.Enum
True     False    MySqlDbColumn                            System.Data.Common.DbColumn
True     True     MySqlDbType                              System.Enum
True     False    MySqlDecimal                             System.ValueType
True     False    MySqlError                               System.Object
True     True     MySqlErrorCode                           System.Enum
True     True     MySqlException                           System.Data.Common.DbException
True     False    MySqlGeometry                            System.Object
True     True     MySqlGuidFormat                          System.Enum
True     False    MySqlHelper                              System.Object
True     False    MySqlInfoMessageEventArgs                System.EventArgs
True     True     MySqlInfoMessageEventHandler             System.MulticastDelegate
True     True     MySqlLoadBalance                         System.Enum
True     False    MySqlParameter                           System.Data.Common.DbParameter
True     False    MySqlParameterCollection                 System.Data.Common.DbParameterCollection
True     True     MySqlProtocolException                   System.InvalidOperationException
True     False    MySqlProvidePasswordContext              System.Object
True     False    MySqlRowsCopiedEventArgs                 System.EventArgs
True     True     MySqlRowsCopiedEventHandler              System.MulticastDelegate
True     True     MySqlServerRedirectionMode               System.Enum
True     True     MySqlSslMode                             System.Enum
True     False    MySqlTransaction                         System.Data.Common.DbTransaction
True     False    ConsoleLoggerProvider                    System.Object
True     False    IMySqlConnectorLogger
True     False    IMySqlConnectorLoggerProvider
True     True     MySqlConnectorLogLevel                   System.Enum
True     False    MySqlConnectorLogManager                 System.Object
True     False    NoOpLogger                               System.Object
True     False    NoOpLoggerProvider                       System.Object
True     False    AuthenticationPlugins                    System.Object
True     False    IAuthenticationPlugin

1 reply

lkowitz Jul 22, 2023

How were you able to get the mysqlconnector files installed on your machine and added to your powershell session?

I’m running into package loop issues with install-package. I tried using nuget.exe and it pulled down the dll and all of the dependencies but when I add the MysqlConnector.DLL I have the same issue as OP. @JuGGyFreak

JuGGyFreak · 2022-12-25T12:00:18Z

JuGGyFreak
Dec 25, 2022
Author

The fact that it works for you gives me hope to get it working for me too - thank you for that !!!

So I'm trying to understand why it doesn't work for me - maybe i did not install it correctly ?
Unlike the Oracle connector, which came as an msi installer, I could not install this nupkg.
So what i did was unzip the nupkg and executed 'LoadFrom' directly on the 'MySqlConnector.dll' from the extracted archive.

I also tried on Windows 11 and Windows Server 2019, both PS5 and this also didn't work.
I have some other systems here, I'm gonna try them tonight.

I did not have this issue importing the Oracle mysql connector (MySql.Data)

PSVersion 5.1.22000.1335
PSEdition Desktop
PSCompatibleVersions {1.0, 2.0, 3.0, 4.0...}
BuildVersion 10.0.22000.1335
CLRVersion 4.0.30319.42000
WSManStackVersion 3.0
PSRemotingProtocolVersion 2.3
SerializationVersion 1.1.0.1

2 replies

csobchuk Apr 16, 2024

I have the same issue on Windows server 2019 performing an offline install using nuget. Used nuget on an internet connected machine to get the dependencies. Copied over to the offline machine and performed nuget install MySqlConnector. Reinstalling indicates that it is already installed. Calling it from PowerShell results in not finding the assembly, same results as the OP. The Oracle MSI version works fine, but errors are created because I'm not connecting to MySQL.

Is there something special that needs to be performed for the PowerShell 5.1 environments to bring it in successfully that we are missing?

csobchuk Apr 16, 2024

The dependencies are not properly identified as system.diagnostics.debug appears when installing offline. Once that is fixed, a dependency to Microsoft.NETCore.platforms is identified and that was with
install MySqlConnector -framework net48
To force the target. How many other dependencies aren't listed?
Is this one bug, or more?

mithrandyr · 2024-06-14T02:07:21Z

mithrandyr
Jun 14, 2024

@JuGGyFreak -- Not sure if you ever found a solution to this. I found that as I started using later versions of NugetPackages for database providers in PowerShell, things became complicated, particularly if they had a lot of dependencies. I wrote a powershell module to wrap up those complexities - you might find it helpful -- you can click through my name to find the module if you are interested.

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MySqlConnector - No ExportedTypes in Powershell 5 #1266

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JuGGyFreak Dec 24, 2022

Replies: 3 comments · 3 replies

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bgrainger Dec 24, 2022 Maintainer

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lkowitz Jul 22, 2023

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JuGGyFreak Dec 25, 2022 Author

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csobchuk Apr 16, 2024

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mithrandyr Jun 14, 2024

JuGGyFreak
Dec 24, 2022

Replies: 3 comments 3 replies

bgrainger
Dec 24, 2022
Maintainer

JuGGyFreak
Dec 25, 2022
Author

mithrandyr
Jun 14, 2024