Mimante/Mimante/Data/StatisticsContext.cs

using Microsoft.EntityFrameworkCore;
using AutoBidder.Models;

namespace AutoBidder.Data
{
    public class StatisticsContext : DbContext
    {
        public DbSet<ProductStat> ProductStats { get; set; }

        public StatisticsContext(DbContextOptions<StatisticsContext> options) : base(options)
        {
        }

        protected override void OnModelCreating(ModelBuilder modelBuilder)
        {
            modelBuilder.Entity<ProductStat>()
                .HasIndex(p => p.ProductKey)
                .IsUnique(false);

            base.OnModelCreating(modelBuilder);
        }
    }
}