修复数据

src/Jiaowu.Api/Infrastructure/Persistence/AppDbContext.cs

@@ -4,6 +4,7 @@ using Jiaowu.Api.Domain.Identity;
 using Jiaowu.Api.Domain.System;
 using Microsoft.AspNetCore.Identity.EntityFrameworkCore;
 using Microsoft.EntityFrameworkCore;
+using Microsoft.EntityFrameworkCore.Storage.ValueConversion;
 
 namespace Jiaowu.Api.Infrastructure.Persistence;
 
@@ -90,6 +91,18 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
         Set<GraduationClearanceRecord>();
     public DbSet<AuditLog> AuditLogs => Set<AuditLog>();
 
+    protected override void ConfigureConventions(
+        ModelConfigurationBuilder configurationBuilder)
+    {
+        base.ConfigureConventions(configurationBuilder);
+
+        // Connector/NET returns MySQL DATE values as DateTime. An explicit
+        // provider conversion prevents EF from asking the reader for DateOnly.
+        configurationBuilder.Properties<DateOnly>()
+            .HaveConversion<DateOnlyDateTimeConverter>()
+            .HaveColumnType("date");
+    }
+
     protected override void OnModelCreating(ModelBuilder builder)
     {
         base.OnModelCreating(builder);
@@ -904,3 +917,8 @@ public sealed class AppDbContext(DbContextOptions<AppDbContext> options)
         });
     }
 }
+
+public sealed class DateOnlyDateTimeConverter()
+    : ValueConverter<DateOnly, DateTime>(
+        date => date.ToDateTime(TimeOnly.MinValue),
+        value => DateOnly.FromDateTime(value));