Link.EntityFramework.Sqlite —— Entity Framework 6 Sqlite

Project Description

Migrations for Entity Framework 6 SQLite provider

Limitations:

Relationships are not enforced with constraints
There can be only one identity column per table and will be created as integer and primary key (other primary keys will be ignored)
...
can not change primary key column

Simplest Usage

Download the library (using NuGet)
Create a migration configuration
Setup the migration configuration (usually during first context creation)

internal sealed class ContextMigrationConfiguration : DbMigrationsConfiguration<Context>
{
    public ContextMigrationConfiguration()
    {
        AutomaticMigrationsEnabled = true;
        AutomaticMigrationDataLossAllowed = true;
    }
}

Old Version Example

Not Realy Delete Column,Just Rename Column

class Context : DbContext
{
    static Context()
    {
        Database.SetInitializer(new MigrateDatabaseToLatestVersion<Context, ContextMigrationConfiguration>(true));
    }

    // DbSets
}

New Version Example

class Context : DbContext
{
    static Context()
    {
        Database.SetInitializer(new MigrateDatabaseToLatestVersionExtention<Context, ContextMigrationConfiguration>(true));
    }

    // DbSets
}

Fix

Implementation

Drop Column Imp
- Rename Column
- Record Delete Column Info
- Add Additional Migration
  - Create Temp Table Base Record Info
  - Copy Data To Temp Table
  - Drop Original Table
  - Rename Temp Table
Alter Column Imp
- Similar Drop Column
- Alter Column Will Migrate Data Column By Column

Refrence

About SQLite

Boolean need set default 0/1, not True/False - add column
- System.Data.Sqlite cast error for True/False - GetBoolean

JessGitHub / Link.EntityFramework.Sqlite

Link.EntityFramework.Sqlite —— Entity Framework 6 Sqlite

Project Description

Simplest Usage

Old Version Example

New Version Example

Fix

Implementation

Refrence

About SQLite

简介

发行版

贡献者

近期动态

JessGitHub / Link.EntityFramework.Sqlite .gitee-modal { width: 500px !important; }

Link.EntityFramework.Sqlite —— Entity Framework 6 Sqlite

Project Description

Simplest Usage

Old Version Example

New Version Example

Fix

Implementation

Refrence

About SQLite

简介

发行版

贡献者

近期动态

搜索帮助

JessGitHub / Link.EntityFramework.Sqlite