v0.6.50

### 新功能

- openGauss 开启表数据导入能力，数据页工具栏、对象浏览器与侧边栏的导入入口现在可用 (contributed by @zipg) (PR [#12895](https://github.com/t8y2/dbx/pull/12895))
- 数据网格手写 WHERE 输入框在列名后支持补全运算符，并按列类型提供日期、布尔等类型化取值候选 (contributed by @hongshuo-wang) (PR [#12879](https://github.com/t8y2/dbx/pull/12879))
- Oracle 与 OceanBase Oracle 支持无效对象筛选与批量编译，以及会话与锁管理 (contributed by @efeire) (PR [#12773](https://github.com/t8y2/dbx/pull/12773))
- Oracle 与 OceanBase Oracle 的过程、函数和程序包支持查看双向依赖明细 (contributed by @efeire) (PR [#12770](https://github.com/t8y2/dbx/pull/12770))
- 数据网格高级复制新增 DbUnit XML、PHP 数组、HTML 双 MIME 等格式，并支持配置列元数据复制与对象全限定名 (contributed by @efeire) (PR [#12777](https://github.com/t8y2/dbx/pull/12777))
- 表详情列面板支持复制所选列名及带表头的元数据 TSV (contributed by @efeire) (PR [#12771](https://github.com/t8y2/dbx/pull/12771))
- MySQL 连接支持 Navicat HTTP 隧道（ntunnel_mysql.php），适配无 PHP-FPM 的 CGI/FastCGI 主机 (contributed by @303562915) (PR [#12494](https://github.com/t8y2/dbx/pull/12494))
- AI 助手新增选项，可选择是否在上下文中附带查询结果预览，默认关闭 (contributed by @lxk955) (PR [#12776](https://github.com/t8y2/dbx/pull/12776))
- SQL 编辑器新增上一条、下一条语句及跳转到语句起始位置的导航快捷键 (contributed by @PanSHIgg) (PR [#12754](https://github.com/t8y2/dbx/pull/12754))
- 侧边栏支持 F5 快捷键（可配置）刷新连接列表与数据库 (contributed by @lxk955) (PR [#12780](https://github.com/t8y2/dbx/pull/12780))
- 表与对象容器右键菜单支持直接新建表分组，无需先选中表 (contributed by @lxk955) (PR [#12781](https://github.com/t8y2/dbx/pull/12781))
- 本地值筛选支持按出现数量筛选，例如 count>1 筛重复、=1 筛唯一 (contributed by @lxk955) (PR [#12628](https://github.com/t8y2/dbx/pull/12628))
- 连接分组右键菜单支持一键打开组内全部连接 (contributed by @lxk955) (PR [#12844](https://github.com/t8y2/dbx/pull/12844))
- SQL 文件面板支持名称搜索过滤与 A-Z/Z-A 排序 (contributed by @lxk955) (PR [#12840](https://github.com/t8y2/dbx/pull/12840))
- AI 助手选中的技能标签支持一键折叠与展开，不再占用对话区域 (contributed by @lxk955) (PR [#12864](https://github.com/t8y2/dbx/pull/12864))

### 改进

- 新增 MiniMax 配置默认使用 M3.1 Flash 模型，并支持 low/medium/high/xhigh/max 推理力度 (contributed by @octo-patch) (PR [#12885](https://github.com/t8y2/dbx/pull/12885))
- 设置搜索补齐约 90 项遗漏配置与关键词，展示全部匹配结果，并支持嵌套子页导航与定位 (contributed by @eryajf) (PR [#12743](https://github.com/t8y2/dbx/pull/12743))
- H2 连接 URL 输入框显示 jdbc:h2 格式占位符，不再误显 postgresql 示例 (contributed by @lxk955) (PR [#12866](https://github.com/t8y2/dbx/pull/12866))
- MQTT 控制台消息轮询默认间隔调整为 1s，并支持 1/2/3/5s 刷新间隔选择 (contributed by @lxk955) (PR [#12851](https://github.com/t8y2/dbx/pull/12851))
- 片段密语已在本机安全保存时隐藏密码显示按钮，避免出现无效果的控件 (contributed by @thanadon-dev) (PR [#12847](https://github.com/t8y2/dbx/pull/12847))
- 查询执行期间切换结果视图时，忙碌遮罩中的已耗时显示保持连续 (contributed by @yiqiui) (PR [#12842](https://github.com/t8y2/dbx/pull/12842))
- 查询出错或取消后重新执行时正常显示执行时长 (contributed by @lxk955) (PR [#12767](https://github.com/t8y2/dbx/pull/12767))
- 分组右键菜单中「关闭数据库连接」默认置于数据库一级菜单首位 (contributed by @zipg) (PR [#12875](https://github.com/t8y2/dbx/pull/12875))
- 页签栏重命名从 SQL 库打开的查询时，新名称同步到已保存的 SQL 文件 (contributed by @lxk955) (PR [#12831](https://github.com/t8y2/dbx/pull/12831))
- 分组标签栏中当前激活的标签页增加主色调上缘高亮，多分组下更易定位 (contributed by @lxk955) (PR [#12540](https://github.com/t8y2/dbx/pull/12540))
- Windows 7 离线包为 WebView2 109 启用现代颜色支持，主题、背景与高亮颜色更接近现有样式，可用环境变量回退 (contributed by @zipg) (PR [#12761](https://github.com/t8y2/dbx/pull/12761))
- Kingbase 兼容模式探测不再依赖单一 catalog，按 SYS settings、PG settings 与 SHOW 顺序多路探测 (contributed by @HandSonic) (PR [#12822](https://github.com/t8y2/dbx/pull/12822))
- Kingbase 探测到的兼容模式完整传递到连接元数据，前端可稳定读取 (contributed by @HandSonic) (PR [#12823](https://github.com/t8y2/dbx/pull/12823))
- Kingbase 连接与重连在就绪前刷新兼容模式，避免沿用过期模式 (contributed by @HandSonic) (PR [#12827](https://github.com/t8y2/dbx/pull/12827))
- Kingbase 编辑器按连接兼容模式配置语法、补全、诊断与格式化 (contributed by @HandSonic) (PR [#12834](https://github.com/t8y2/dbx/pull/12834))

### 修复

- 达梦原生导出/导入（dexp/dimp）规整参数文件中的 Windows 路径与引号，并在失败时展示工具真实输出，不再只报 did not report success (contributed by @yiqiui) (PR [#12872](https://github.com/t8y2/dbx/pull/12872))
- 虚谷数据传输在 Agent RPC 超时后丢弃受影响会话并可恢复继续，不再中断失败 (contributed by @mapan0424) (PR [#12832](https://github.com/t8y2/dbx/pull/12832))
- Kingbase 查询与 SQL 文件处理使用当前连接的兼容模式分句，不再拆开存储过程内部语句 (contributed by @HandSonic) (PR [#12825](https://github.com/t8y2/dbx/pull/12825))
- Kingbase 结构化索引保留表达式、INCLUDE 列、排序与过滤条件，重建索引不再丢失语义 (contributed by @HandSonic) (PR [#12806](https://github.com/t8y2/dbx/pull/12806))
- Kingbase 生成列与 identity 列元数据完整保留，不再误导出为普通 DEFAULT (contributed by @HandSonic) (PR [#12805](https://github.com/t8y2/dbx/pull/12805))
- 数据传输到 DuckDB 目标保留源端 decimal 精度，修复宽数字 Conversion Error (contributed by @jeff377) (PR [#12882](https://github.com/t8y2/dbx/pull/12882))
- SQL Server 仅在显式选择 Schema 时才限定未限定表名，连接默认、恢复页签或保存 SQL 带入的 Schema 不再引发 Invalid object name (contributed by @zipg) (PR [#12819](https://github.com/t8y2/dbx/pull/12819))
- Kingbase 识别 jdbc:kingbase8/83/86 等 release JDBC URL，不再当作原生 DSN 透传导致连接失败 (contributed by @HandSonic) (PR [#12815](https://github.com/t8y2/dbx/pull/12815))
- 导入含空白工作表的 Excel 工作簿时保留工作表选择并禁用空表任务，不再因预览空表直接失败 (contributed by @ericbyz) (PR [#12738](https://github.com/t8y2/dbx/pull/12738))
- MongoDB 集合表格保存编辑后保持滚动位置与选中，不再跳回第一行 (contributed by @thailoc-dev) (PR [#12810](https://github.com/t8y2/dbx/pull/12810))
- Kingbase 变量替换、参数抽取与批量执行使用当前兼容模式，避免误识别参数或拆分多库事务 (contributed by @HandSonic) (PR [#12833](https://github.com/t8y2/dbx/pull/12833))
- Kingbase 语句边界保留过程块、临时表与 PG #>> 等 hash 操作符的执行范围 (contributed by @HandSonic) (PR [#12828](https://github.com/t8y2/dbx/pull/12828))
- 内联 EXPLAIN 之后的查询不再被并入 EXPLAIN 语句，修复执行报语法错误 (contributed by @lxk955) (PR [#12824](https://github.com/t8y2/dbx/pull/12824))
- TDengine 超级表折叠重开后保留已加载子表列表与计数，并优化大表树加载与重开性能 (contributed by @CN-Scars) (PR [#12759](https://github.com/t8y2/dbx/pull/12759))
- 无主键表行定位器被引擎拒绝时自动降级为普通查询，修复 Hologres 单击无主键表报错 (contributed by @ericbyz) (PR [#12687](https://github.com/t8y2/dbx/pull/12687))
- 复制行粘贴到新行时空字符串保持为空字符串，不再被写成 NULL (contributed by @yiqiui) (PR [#12748](https://github.com/t8y2/dbx/pull/12748))
- SQL 文件执行全程固定同一会话，修复含 BEGIN/COMMIT 的文件跨连接执行导致的锁等待与卡死 (contributed by @dienaso) (PR [#12725](https://github.com/t8y2/dbx/pull/12725))
- Redis 数据库置顶在修改别名与重连后保持有效 (contributed by @lxk955) (PR [#12765](https://github.com/t8y2/dbx/pull/12765))
- 侧边栏搜索结果在折叠再展开后不再被清空 (contributed by @zhukj125) (PR [#12766](https://github.com/t8y2/dbx/pull/12766))
- Oracle TNS 连接明文导出保留 TNS_ADMIN 目录，重新导入后无需重新配置 (contributed by @yiqiui) (PR [#12723](https://github.com/t8y2/dbx/pull/12723))
- 数据库连接「显示全部」后系统数据库保持可见
- 在数据库中查找首次执行时自动继续扫描剩余未扫描的表，不再提前停止
- Phoenix 手动 classpath 接受旧版直接客户端 jar，不再误报驱动未安装
- MySQL 存储过程源码页签执行 CREATE 时先删除再重建例程，修复修改 MySQL 8 存储过程失败

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