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MyDbContext.cs
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MyDbContext.cs
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using Microsoft.EntityFrameworkCore;
using System;
using System.ComponentModel.DataAnnotations;
using System.Reflection;
namespace sqlite_example
{
/// <summary>
/// Blog entity
/// </summary>
public class Blog
{
[Key]
public int BlogId { get; set; }
[Required]
[MaxLength(128)]
public string Title { get; set; }
[Required]
[MaxLength(256)]
public string SubTitle { get; set; }
[Required]
public DateTime DateTimeAdd { get; set; }
}
public class MyDbContext : DbContext
{
public DbSet<Blog> Blogs { get; set; }
protected override void OnConfiguring(DbContextOptionsBuilder optionsBuilder)
{
optionsBuilder.UseSqlite("Filename=TestDatabase.db", options =>
{
options.MigrationsAssembly(Assembly.GetExecutingAssembly().FullName);
});
base.OnConfiguring(optionsBuilder);
}
protected override void OnModelCreating(ModelBuilder modelBuilder)
{
// Map table names
modelBuilder.Entity<Blog>().ToTable("Blogs", "test");
modelBuilder.Entity<Blog>(entity =>
{
entity.HasKey(e => e.BlogId);
entity.HasIndex(e => e.Title).IsUnique();
entity.Property(e => e.DateTimeAdd).HasDefaultValueSql("CURRENT_TIMESTAMP");
});
base.OnModelCreating(modelBuilder);
}
}
}