IM/backend/IM_API/Migrations/20260204140029_InitialCreate.cs
nanxun 58bc8b4b5a 前端:
1、优化消息排序逻辑
2、新增加载历史消息
3、修复已知问题
后端:
1、优化消息排序逻辑
2、增加用户信息缓存机制
3、修改日期类型为DateTimeOffset改善时区信息丢失问题
3、修复了已知问题
数据库:
1、新增SequenceId字段用于消息排序
2、新增ClientMsgId字段用于客户端消息回执
2026-02-07 22:37:56 +08:00

74 lines
1.8 KiB
C#

using System;
using Microsoft.EntityFrameworkCore.Metadata;
using Microsoft.EntityFrameworkCore.Migrations;
#nullable disable
namespace IM_API.Migrations
{
/// <inheritdoc />
public partial class InitialCreate : Migration
{
/// <inheritdoc />
protected override void Up(MigrationBuilder migrationBuilder)
{
}
/// <inheritdoc />
protected override void Down(MigrationBuilder migrationBuilder)
{
migrationBuilder.DropTable(
name: "admins");
migrationBuilder.DropTable(
name: "conversations");
migrationBuilder.DropTable(
name: "devices");
migrationBuilder.DropTable(
name: "files");
migrationBuilder.DropTable(
name: "friend_request");
migrationBuilder.DropTable(
name: "friends");
migrationBuilder.DropTable(
name: "group_invite");
migrationBuilder.DropTable(
name: "group_member");
migrationBuilder.DropTable(
name: "group_request");
migrationBuilder.DropTable(
name: "login_log");
migrationBuilder.DropTable(
name: "notifications");
migrationBuilder.DropTable(
name: "permissionarole");
migrationBuilder.DropTable(
name: "messages");
migrationBuilder.DropTable(
name: "groups");
migrationBuilder.DropTable(
name: "roles");
migrationBuilder.DropTable(
name: "permissions");
migrationBuilder.DropTable(
name: "users");
}
}
}