Re: [Firebird-net-provider] EF Migrations
1. Generator ID. One for all is bad options for me. I'll reimplement it to have one for table. That's why it's open. 2. Couple of errors in creating Constraints or Indexes: unsuccessful metadata update Name longer than database column size Constraint names are longer than it can be in system tables: ALTER TABLE ClientGroupAlerts ADD CONSTRAINT FK_ClientGroupAlerts_ClientGroups_ClientGroup_Id. I've figured that maximum name is 31 (!!!) characters. I've implemented SHA1 (maybe I will replace it with something faster) hashing of string names. Yeah. Firebird's 31 characters it's goign to be hard to beat. I can shorten the string, but that will increase collisions. Maybe we can create - similar to generators - open ended method that anybody can override if needed. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
Your configuration for context needs to derive from FbDbConfiguration. So far there's no better solution. The migrations are run in serializable transaction and you need to insert into __MigrationHistory right after creation. Disaster. -- Mgr. Jiří Činčura Independent IT Specialist From: Геннадий Забула [mailto:zabulu...@gmail.com] Sent: Tuesday, December 30, 2014 8:19 AM To: For users and developers of the Firebird .NET providers Subject: Re: [Firebird-net-provider] EF Migrations Fall in next query: EXECUTE BLOCK AS BEGIN EXECUTE STATEMENT 'CREATE TABLE __MigrationHistory ( MigrationId VARCHAR(150) NOT NULL, ContextKey VARCHAR(300) NOT NULL, Model BLOB SUB_TYPE BINARY NOT NULL, ProductVersion VARCHAR(32) NOT NULL )' WITH AUTONOMOUS TRANSACTION; END Parameters: With next exception: unsuccessful metadata update STORE RDB$RELATIONS failed lock conflict on no wait transaction 2014-12-30 9:03 GMT+02:00 Геннадий Забула zabulu...@gmail.com: Here are my issues/suggestions: 1. Generator ID. One for all is bad options for me. I'll reimplement it to have one for table. 2. Couple of errors in creating Constraints or Indexes: unsuccessful metadata update Name longer than database column size Constraint names are longer than it can be in system tables: ALTER TABLE ClientGroupAlerts ADD CONSTRAINT FK_ClientGroupAlerts_ClientGroups_ClientGroup_Id. I've figured that maximum name is 31 (!!!) characters. I've implemented SHA1 (maybe I will replace it with something faster) hashing of string names. Will write about further progress. 2014-12-20 8:32 GMT+02:00 Mercea Paul paul.mer...@almexa.ro: On 2014.11.06 3:06 PM, Jiří Činčura wrote: Hi *, Anybody here willing to give EF Migrations a try? I'm getting close to first implementation. I'm trying to add support for Firebird db for existing app on SQL Express, and, first run of the application was with no errors and created the database. I'll going to try migrations steps and give feedback. Thanks Jiri Paul MERCEA ___ E-mail: paul.mer...@almexa.ro ___ -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
[Firebird-net-provider] ADO.NET provider 4.6.0
More info at: http://blog.cincura.net/233492-ado-net-provider-4-6-0-0-for-firebird-is-ready/ . Enjoy. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
Your configuration for context needs to derive from FbDbConfiguration. So far there's no better solution. The migrations are run in serializable transaction and you need to insert into __MigrationHistory right after creation. Disaster. I'm using the same Context for both MSSQL and Firebird, how deriving from FbDbConfiguration can affect MSSQL code path? Can we override this somehow just in Firebird provider? Yeah. Firebird's 31 characters it's goign to be hard to beat. I can shorten the string, but that will increase collisions. Maybe we can create - similar to generators - open ended method that anybody can override if needed. I like this. 2014-12-30 10:06 GMT+02:00 Jiří Činčura j...@cincura.net: Your configuration for context needs to derive from FbDbConfiguration. So far there's no better solution. The migrations are run in serializable transaction and you need to insert into __MigrationHistory right after creation. Disaster. -- Mgr. Jiří Činčura Independent IT Specialist From: Геннадий Забула [mailto:zabulu...@gmail.com] Sent: Tuesday, December 30, 2014 8:19 AM To: For users and developers of the Firebird .NET providers Subject: Re: [Firebird-net-provider] EF Migrations Fall in next query: EXECUTE BLOCK AS BEGIN EXECUTE STATEMENT 'CREATE TABLE __MigrationHistory ( MigrationId VARCHAR(150) NOT NULL, ContextKey VARCHAR(300) NOT NULL, Model BLOB SUB_TYPE BINARY NOT NULL, ProductVersion VARCHAR(32) NOT NULL )' WITH AUTONOMOUS TRANSACTION; END Parameters: With next exception: unsuccessful metadata update STORE RDB$RELATIONS failed lock conflict on no wait transaction 2014-12-30 9:03 GMT+02:00 Геннадий Забула zabulu...@gmail.com: Here are my issues/suggestions: 1. Generator ID. One for all is bad options for me. I'll reimplement it to have one for table. 2. Couple of errors in creating Constraints or Indexes: unsuccessful metadata update Name longer than database column size Constraint names are longer than it can be in system tables: ALTER TABLE ClientGroupAlerts ADD CONSTRAINT FK_ClientGroupAlerts_ClientGroups_ClientGroup_Id. I've figured that maximum name is 31 (!!!) characters. I've implemented SHA1 (maybe I will replace it with something faster) hashing of string names. Will write about further progress. 2014-12-20 8:32 GMT+02:00 Mercea Paul paul.mer...@almexa.ro: On 2014.11.06 3:06 PM, Jiří Činčura wrote: Hi *, Anybody here willing to give EF Migrations a try? I'm getting close to first implementation. I'm trying to add support for Firebird db for existing app on SQL Express, and, first run of the application was with no errors and created the database. I'll going to try migrations steps and give feedback. Thanks Jiri Paul MERCEA ___ E-mail: paul.mer...@almexa.ro ___ -- Download BIRT iHub F-Type - The Free Enterprise-Grade BIRT Server from Actuate! Instantly Supercharge Your Business Reports and Dashboards with Interactivity, Sharing, Native Excel Exports, App Integration more Get technology previously reserved for billion-dollar corporations, FREE http://pubads.g.doubleclick.net/gampad/clk?id=164703151iu=/4140/ostg.clktrk ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
I've found out that there is the static class: System.Data.Entity.Infrastructure.Interception.DbInterception, which adds IDbInterceptor, 2014-12-30 11:23 GMT+02:00 Jiří Činčura j...@cincura.net: I'm using the same Context for both MSSQL and Firebird, how deriving from FbDbConfiguration can affect MSSQL code path? Can we override this somehow just in Firebird provider? You can use the same context. It's just configuration. I'm waiting for reply from EF guys to see what other options are. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
One more thing about naming indexes conventions. Indexes namespace is
global. So if you have several same fields in different tables, you'll have
the same name index for both. Good example in three entities with N:M
relations:
Entity1: eid, name
Entity2: eid, name
Entity3: eid, name
Entity1Entity3: Entity1_eid, Entity3_eid
Entity1Entity2: Entity1_eid, Entity2_eid
Will try to create index IX_Entity1_eid for both tables and fail on this.
I've added the table name to the index name: IX_Entity1Entity3_Entity1_eid,
and as I mentioned before I've experienced long name error.
2014-12-30 11:35 GMT+02:00 Геннадий Забула zabulu...@gmail.com:
And looks like it works:
public FbProviderServices()
{
#if (EF_6)
AddDependencyResolver(new
SingletonDependencyResolverIDbConnectionFactory(new
FbConnectionFactory()));
AddDependencyResolver(new
SingletonDependencyResolverFuncMigrationSqlGenerator(() = new
FbMigrationSqlGenerator(), ProviderInvariantName));
System.Data.Entity.Infrastructure.Interception.DbInterception.Add(new
MigrationsTransactionsInterceptor());
#endif
}
2014-12-30 11:29 GMT+02:00 Геннадий Забула zabulu...@gmail.com:
I've found out that there is the static class:
System.Data.Entity.Infrastructure.Interception.DbInterception, which adds
IDbInterceptor,
2014-12-30 11:23 GMT+02:00 Jiří Činčura j...@cincura.net:
I'm using the same Context for both MSSQL and Firebird, how deriving
from FbDbConfiguration can affect MSSQL code path? Can we override this
somehow just in Firebird provider?
You can use the same context. It's just configuration. I'm waiting for
reply from EF guys to see what other options are.
--
Mgr. Jiří Činčura
Independent IT Specialist
--
Dive into the World of Parallel Programming! The Go Parallel Website,
sponsored by Intel and developed in partnership with Slashdot Media, is
your
hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take
a
look and join the conversation now. http://goparallel.sourceforge.net
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Re: [Firebird-net-provider] EF Migrations
That’s not the same as what AddInterceptor call does.
--
Mgr. Jiří Činčura
Independent IT Specialist
From: Геннадий Забула [mailto:zabulu...@gmail.com]
Sent: Tuesday, December 30, 2014 10:36 AM
To: For users and developers of the Firebird .NET providers
Subject: Re: [Firebird-net-provider] EF Migrations
And looks like it works:
public FbProviderServices()
{
#if (EF_6)
AddDependencyResolver(new
SingletonDependencyResolverIDbConnectionFactory(new FbConnectionFactory()));
AddDependencyResolver(new
SingletonDependencyResolverFuncMigrationSqlGenerator(() = new
FbMigrationSqlGenerator(), ProviderInvariantName));
System.Data.Entity.Infrastructure.Interception.DbInterception.Add(new
MigrationsTransactionsInterceptor());
#endif
}
2014-12-30 11:29 GMT+02:00 Геннадий Забула
zabulu...@gmail.commailto:zabulu...@gmail.com:
I've found out that there is the static class:
System.Data.Entity.Infrastructure.Interception.DbInterception, which adds
IDbInterceptor,
2014-12-30 11:23 GMT+02:00 Jiří Činčura
j...@cincura.netmailto:j...@cincura.net:
I'm using the same Context for both MSSQL and Firebird, how deriving from
FbDbConfiguration can affect MSSQL code path? Can we override this somehow
just in Firebird provider?
You can use the same context. It's just configuration. I'm waiting for reply
from EF guys to see what other options are.
--
Mgr. Jiří Činčura
Independent IT Specialist
--
Dive into the World of Parallel Programming! The Go Parallel Website,
sponsored by Intel and developed in partnership with Slashdot Media, is your
hub for all things parallel software development, from weekly thought
leadership blogs to news, videos, case studies, tutorials and more. Take a
look and join the conversation now. http://goparallel.sourceforge.net
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Re: [Firebird-net-provider] EF Migrations
The name for index is created by EF if the explicit value is not provided. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
That’s not the same as what AddInterceptor call does.
As far as I see in the debugger, MigrationsTransactionsInterceptor is
called successfully and failed tests are going further. I've added just one
fix to filter just Firebird connections:
public void BeginningTransaction(DbConnection connection,
BeginTransactionInterceptionContext interceptionContext)
{
if (connection is FbConnection
interceptionContext.IsolationLevel ==
IsolationLevel.Serializable
IsInMigrations())
{
interceptionContext.Result =
connection.BeginTransaction(IsolationLevel.ReadCommitted);
}
}
The name for index is created by EF if the explicit value is not provided.
Name conventions of EF is slightly different from Firebird. We need to
override this in the provider.
2014-12-30 11:57 GMT+02:00 Jiří Činčura j...@cincura.net:
The name for index is created by EF if the explicit value is not provided.
--
Mgr. Jiří Činčura
Independent IT Specialist
--
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sponsored by Intel and developed in partnership with Slashdot Media, is
your
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Re: [Firebird-net-provider] EF Migrations
Yeah, but it’s different path. The InternalConfiguration class might or might not like that (now or in the future). It’s problem waiting to happen. And please stop sending HTML emails. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
According to this: http://entityframework.codeplex.com/wikipage?title=Interception As I understand DbConfiguration.AddInterceptor is for context instance interceptions. And DbInterceptors.AddInterceptor is for global-wide interceptions. I suggest moving registration MigrationsTransactionsInterceptor to the DbInterceptors (or maybe via AddDependencyResolver(new SingletonDependencyResolverIDbInterceptor()) as suggested in documentation: http://msdn.microsoft.com/ru-ru/library/system.data.entity.dbconfiguration.addinterceptor(v=vs.113).aspx), because it is provider-specific crutch. On Tue, Dec 30, 2014 at 12:15 PM, Jiří Činčura j...@cincura.net wrote: Yeah, but it’s different path. The InternalConfiguration class might or might not like that (now or in the future). It’s problem waiting to happen. And please stop sending HTML emails. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
One more question, how can I register custom implementation of IFbMigrationSqlGeneratorBehavior? On Tue, Dec 30, 2014 at 12:55 PM, Геннадий Забула zabulu...@gmail.com wrote: According to this: http://entityframework.codeplex.com/wikipage?title=Interception As I understand DbConfiguration.AddInterceptor is for context instance interceptions. And DbInterceptors.AddInterceptor is for global-wide interceptions. I suggest moving registration MigrationsTransactionsInterceptor to the DbInterceptors (or maybe via AddDependencyResolver(new SingletonDependencyResolverIDbInterceptor()) as suggested in documentation: http://msdn.microsoft.com/ru-ru/library/system.data.entity.dbconfiguration.addinterceptor(v=vs.113).aspx), because it is provider-specific crutch. On Tue, Dec 30, 2014 at 12:15 PM, Jiří Činčura j...@cincura.net wrote: Yeah, but it’s different path. The InternalConfiguration class might or might not like that (now or in the future). It’s problem waiting to happen. And please stop sending HTML emails. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
or maybe via AddDependencyResolver(new SingletonDependencyResolverIDbInterceptor()) as suggested in documentation: http://msdn.microsoft.com/ru- ru/library/system.data.entity.dbconfiguration.addinterceptor(v=vs.113).asp x), I'd like to do this. But when I register it in provider services, it does not work. Not sure why. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
One more question, how can I register custom implementation of IFbMigrationSqlGeneratorBehavior? Register MigrationSqlGenerator with FbMigrationSqlGenerator and pass the implementation to ctor. Something like: AddDependencyResolver(new SingletonDependencyResolverFuncMigrationSqlGenerator(() = new FbMigrationSqlGenerator(... EF does not allow to plug custom services. :( -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
Re: [Firebird-net-provider] EF Migrations
I'd like to do this. But when I register it in provider services, it does not work. Not sure why. Ahh. Finally found it. IdbInterceptors are not supported for registration in DbProviderServices. So we're probably left with only DbInterception.Add. I did some research and looks it should work fine. Better than forcing people to derive from custom class, I think. -- Mgr. Jiří Činčura Independent IT Specialist -- Dive into the World of Parallel Programming! The Go Parallel Website, sponsored by Intel and developed in partnership with Slashdot Media, is your hub for all things parallel software development, from weekly thought leadership blogs to news, videos, case studies, tutorials and more. Take a look and join the conversation now. http://goparallel.sourceforge.net ___ Firebird-net-provider mailing list Firebird-net-provider@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/firebird-net-provider
