Using MySQL with Entity Framework

Question

Can t find anything relevant about Entity Framework MySQL on Google so I m hoping someone knows about it

User · Answer

MySQL is hosting a webinar about EF in a few days... Look here: http://www.mysql.com/news-and-events/web-seminars/display-204.html

edit: That webinar is now at http://www.mysql.com/news-and-events/on-demand-webinars/display-od-204.html

User · Answer

This isn t about MS and what they want   They have created an  open system for others to plug-in  providers  - postgres and sqlite have it - mysql is just laggin     but  good news for those interested  i too was looking for this and found that the MySql Connector Net 6 0 will have it     you can check it out here    http   www upfromthesky com blog post 2009 03 24 MySql-Supports-the-Entity-Framework aspx

User · Answer

Check out my post on this subject    http   pattersonc com blog index php 2009 04 01 using-mysql-with-entity-framework-and-aspnet-mvc-   -part-i

User · Answer

You would need a mapping provider for MySQL  That is an extra thing the Entity Framework needs to make the magic happen  This blog talks about other mapping providers besides the one Microsoft is supplying  I haven t found any mentionings of MySQL

User · Answer

Be careful using connector  net  Connector 6 6 5 have a bug  it is not working for inserting tinyint values as identity  for example   create table person      Id tinyint unsigned primary key auto increment      Name varchar 30       if you try to insert an object like this   Person p  p   new Person    p Name    Oware  context Person Add p   context SaveChanges      You will get a Null Reference Exception   Referencia a objeto no establecida como instancia de un objeto      en MySql Data Entity ListFragment WriteSql StringBuilder sql     en MySql Data Entity SelectStatement WriteSql StringBuilder sql     en MySql Data Entity InsertStatement WriteSql StringBuilder sql     en MySql Data Entity SqlFragment ToString      en MySql Data Entity InsertGenerator GenerateSQL DbCommandTree tree     en MySql Data MySqlClient MySqlProviderServices CreateDbCommandDefinition DbProviderManifest providerManifest  DbCommandTree commandTree     en System Data Common DbProviderServices CreateCommandDefinition DbCommandTree commandTree     en System Data Common DbProviderServices CreateCommand DbCommandTree commandTree     en System Data Mapping Update Internal UpdateTranslator CreateCommand DbModificationCommandTree commandTree     en System Data Mapping Update Internal DynamicUpdateCommand CreateCommand UpdateTranslator translator  Dictionary 2 identifierValues     en System Data Mapping Update Internal DynamicUpdateCommand Execute UpdateTranslator translator  EntityConnection connection  Dictionary 2 identifierValues  List 1 generatedValues     en System Data Mapping Update Internal UpdateTranslator Update IEntityStateManager stateManager  IEntityAdapter adapter     en System Data EntityClient EntityAdapter Update IEntityStateManager entityCache     en System Data Objects ObjectContext SaveChanges SaveOptions options     en System Data Entity Internal InternalContext SaveChanges      en System Data Entity Internal LazyInternalContext SaveChanges      en System Data Entity DbContext SaveChanges     Until now I haven t found a solution  I had to change my tinyint identity to unsigned int identity  this solved the problem but this is not the right solution   If you use an older version of Connector net  I used 6 4 4  you won t have this problem   If someone knows about the solution  please contact me   Cheers   Oware

User · Answer

You would need a mapping provider for MySQL  That is an extra thing the Entity Framework needs to make the magic happen  This blog talks about other mapping providers besides the one Microsoft is supplying  I haven t found any mentionings of MySQL

User · Answer

If you interested in running Entity Framework with MySql on mono linux macos  this might be helpful  https   iyalovoi wordpress com 2015 04 06 entity-framework-with-mysql-on-mac-os

User · Answer

Vintana   Od course there s something ready now  http   www devart com products html - it s commercial although  you have a 30days trial IIRC   They make a living writing providers  so I guess it should be fast and stable  I know really big companies using their Oracle provider instead of Orace and MS ones

User · Answer

You would need a mapping provider for MySQL  That is an extra thing the Entity Framework needs to make the magic happen  This blog talks about other mapping providers besides the one Microsoft is supplying  I haven t found any mentionings of MySQL

User · Answer

Check out my post on this subject    http   pattersonc com blog index php 2009 04 01 using-mysql-with-entity-framework-and-aspnet-mvc-   -part-i

User · Answer

MySQL is hosting a webinar about EF in a few days... Look here: http://www.mysql.com/news-and-events/web-seminars/display-204.html

edit: That webinar is now at http://www.mysql.com/news-and-events/on-demand-webinars/display-od-204.html

User · Answer

Vintana   Od course there s something ready now  http   www devart com products html - it s commercial although  you have a 30days trial IIRC   They make a living writing providers  so I guess it should be fast and stable  I know really big companies using their Oracle provider instead of Orace and MS ones

User · Answer

It s been released - Get the MySQL connector for  Net v6 5 - this has support for      Entity Framework   I was waiting for this the whole time  although the support is basic  works for most basic scenarios of db interaction  It also has basic Visual Studio integration   UPDATE http   dev mysql com downloads connector net  Starting with version 6 7  Connector Net will no longer include the MySQL for Visual Studio integration  That functionality is now available in a separate product called MySQL for Visual Studio available using the MySQL Installer for Windows  see http   dev mysql com tech-resources articles mysql-installer-for-windows html

User · Answer

You might also look at https   www devart com dotconnect mysql   DevArt s connector supports EF and MySQL

User · Answer

I didn t see the link here  but there s a beta  NET Connector for MySql   Click  Development Releases  to download 6 3 2 beta  which has EF4 VS2010 integration   http   dev mysql com downloads connector net 5 0 html downloads

User · Answer

If you interested in running Entity Framework with MySql on mono linux macos  this might be helpful  https   iyalovoi wordpress com 2015 04 06 entity-framework-with-mysql-on-mac-os

User · Answer

This isn t about MS and what they want   They have created an  open system for others to plug-in  providers  - postgres and sqlite have it - mysql is just laggin     but  good news for those interested  i too was looking for this and found that the MySql Connector Net 6 0 will have it     you can check it out here    http   www upfromthesky com blog post 2009 03 24 MySql-Supports-the-Entity-Framework aspx

User · Answer

You would need a mapping provider for MySQL  That is an extra thing the Entity Framework needs to make the magic happen  This blog talks about other mapping providers besides the one Microsoft is supplying  I haven t found any mentionings of MySQL

User · Answer

Be careful using connector  net  Connector 6 6 5 have a bug  it is not working for inserting tinyint values as identity  for example   create table person      Id tinyint unsigned primary key auto increment      Name varchar 30       if you try to insert an object like this   Person p  p   new Person    p Name    Oware  context Person Add p   context SaveChanges      You will get a Null Reference Exception   Referencia a objeto no establecida como instancia de un objeto      en MySql Data Entity ListFragment WriteSql StringBuilder sql     en MySql Data Entity SelectStatement WriteSql StringBuilder sql     en MySql Data Entity InsertStatement WriteSql StringBuilder sql     en MySql Data Entity SqlFragment ToString      en MySql Data Entity InsertGenerator GenerateSQL DbCommandTree tree     en MySql Data MySqlClient MySqlProviderServices CreateDbCommandDefinition DbProviderManifest providerManifest  DbCommandTree commandTree     en System Data Common DbProviderServices CreateCommandDefinition DbCommandTree commandTree     en System Data Common DbProviderServices CreateCommand DbCommandTree commandTree     en System Data Mapping Update Internal UpdateTranslator CreateCommand DbModificationCommandTree commandTree     en System Data Mapping Update Internal DynamicUpdateCommand CreateCommand UpdateTranslator translator  Dictionary 2 identifierValues     en System Data Mapping Update Internal DynamicUpdateCommand Execute UpdateTranslator translator  EntityConnection connection  Dictionary 2 identifierValues  List 1 generatedValues     en System Data Mapping Update Internal UpdateTranslator Update IEntityStateManager stateManager  IEntityAdapter adapter     en System Data EntityClient EntityAdapter Update IEntityStateManager entityCache     en System Data Objects ObjectContext SaveChanges SaveOptions options     en System Data Entity Internal InternalContext SaveChanges      en System Data Entity Internal LazyInternalContext SaveChanges      en System Data Entity DbContext SaveChanges     Until now I haven t found a solution  I had to change my tinyint identity to unsigned int identity  this solved the problem but this is not the right solution   If you use an older version of Connector net  I used 6 4 4  you won t have this problem   If someone knows about the solution  please contact me   Cheers   Oware

User · Answer

It s been released - Get the MySQL connector for  Net v6 5 - this has support for      Entity Framework   I was waiting for this the whole time  although the support is basic  works for most basic scenarios of db interaction  It also has basic Visual Studio integration   UPDATE http   dev mysql com downloads connector net  Starting with version 6 7  Connector Net will no longer include the MySQL for Visual Studio integration  That functionality is now available in a separate product called MySQL for Visual Studio available using the MySQL Installer for Windows  see http   dev mysql com tech-resources articles mysql-installer-for-windows html

User · Answer

I didn t see the link here  but there s a beta  NET Connector for MySql   Click  Development Releases  to download 6 3 2 beta  which has EF4 VS2010 integration   http   dev mysql com downloads connector net 5 0 html downloads

User · Answer

You might also look at https   www devart com dotconnect mysql   DevArt s connector supports EF and MySQL

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