添加项目文件。

ContactService.Infrastructure/Configs/FriendRequestConfig.cs

@@ -0,0 +1,20 @@
+using ContactService.Domain.Entities;
+using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Metadata.Builders;
+
+namespace ContactService.Infrastructure.Configs
+{
+    public class FriendRequestConfig : IEntityTypeConfiguration<FriendRequest>
+    {
+        public void Configure(EntityTypeBuilder<FriendRequest> builder)
+        {
+            builder.ToTable("friend_requests");
+
+            builder.HasKey(x => x.Id);
+
+            builder.HasIndex(x => new { x.OwnerId, x.TargetId });
+
+
+        }
+    }
+}