✨ feat(datasource): 新增 DuckDB 与 Diros 数据源并补齐 DuckDB 函数管理

- 新增 DuckDB 与 Diros 后端驱动实现并接入数据库工厂 - 前端连接配置补充 DuckDB/Diros 入口及方言映射 - 侧边栏支持 DuckDB Macro 函数列表加载与对象分组展示 - 定义查看器支持 DuckDB 函数定义查询与 DDL 还原 - 后端补充 DuckDB 函数删除分支并限制存储过程操作
2026-05-06 20:03:05 +08:00 · 2026-02-11 17:25:38 +08:00
parent 69d9a0b11e
commit e01ecfc387
19 changed files with 1035 additions and 60 deletions
--- a/frontend/src/components/ConnectionModal.tsx
+++ b/frontend/src/components/ConnectionModal.tsx
@@ -14,6 +14,7 @@ const MAX_TIMEOUT_SECONDS = 3600;
 const getDefaultPortByType = (type: string) => {
  switch (type) {
    case 'mysql': return 3306;
+    case 'diros': return 9030;
    case 'sphinx': return 9306;
    case 'postgres': return 5432;
    case 'redis': return 6379;
@@ -26,10 +27,13 @@ const getDefaultPortByType = (type: string) => {
    case 'highgo': return 5866;
    case 'mariadb': return 3306;
    case 'vastbase': return 5432;
+    case 'duckdb': return 0;
    default: return 3306;
  }
 };

+const isFileDatabaseType = (type: string) => type === 'sqlite' || type === 'duckdb';
+
 const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialValues?: SavedConnection | null }> = ({ open, onClose, initialValues }) => {
  const [form] = Form.useForm();
  const [loading, setLoading] = useState(false);
@@ -209,9 +213,11 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
          return null;
      }

-      if (type === 'mysql' || type === 'mariadb' || type === 'sphinx') {
+      if (type === 'mysql' || type === 'mariadb' || type === 'diros' || type === 'sphinx') {
          const mysqlDefaultPort = getDefaultPortByType(type);
-          const parsed = parseMultiHostUri(trimmedUri, 'mysql');
+          const parsed = parseMultiHostUri(trimmedUri, 'mysql')
+              || parseMultiHostUri(trimmedUri, 'diros')
+              || parseMultiHostUri(trimmedUri, 'doris');
          if (!parsed) {
              return null;
          }
@@ -242,6 +248,41 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
          };
      }

+      if (isFileDatabaseType(type)) {
+          const tryExtractPath = (uri: string, scheme: string): string | null => {
+              const parsed = parseMultiHostUri(uri, scheme);
+              if (!parsed) {
+                  return null;
+              }
+              const host = String(parsed.hosts?.[0] || '').trim();
+              const dbPath = String(parsed.database || '').trim();
+              if (host && dbPath) {
+                  return `/${host}/${dbPath}`.replace(/\/+/g, '/');
+              }
+              if (host) {
+                  return `/${host}`.replace(/\/+/g, '/');
+              }
+              if (dbPath) {
+                  return dbPath.startsWith('/') ? dbPath : `/${dbPath}`;
+              }
+              return null;
+          };
+
+          const pathFromScheme = tryExtractPath(trimmedUri, type);
+          if (pathFromScheme) {
+              return { host: decodeURIComponent(pathFromScheme) };
+          }
+
+          const rawPath = trimmedUri
+              .replace(/^sqlite:\/\//i, '')
+              .replace(/^duckdb:\/\//i, '')
+              .trim();
+          if (!rawPath) {
+              return null;
+          }
+          return { host: decodeURIComponent(rawPath) };
+      }
+
      if (type === 'mongodb') {
          const parsed = parseMultiHostUri(trimmedUri, 'mongodb') || parseMultiHostUri(trimmedUri, 'mongodb+srv');
          if (!parsed) {
@@ -305,9 +346,15 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
  });

  const getUriPlaceholder = () => {
-      if (dbType === 'mysql' || dbType === 'mariadb' || dbType === 'sphinx') {
+      if (dbType === 'mysql' || dbType === 'mariadb' || dbType === 'diros' || dbType === 'sphinx') {
          const defaultPort = getDefaultPortByType(dbType);
-          return `mysql://user:pass@127.0.0.1:${defaultPort},127.0.0.2:${defaultPort}/db_name?topology=replica`;
+          const scheme = dbType === 'diros' ? 'diros' : 'mysql';
+          return `${scheme}://user:pass@127.0.0.1:${defaultPort},127.0.0.2:${defaultPort}/db_name?topology=replica`;
+      }
+      if (isFileDatabaseType(dbType)) {
+          return dbType === 'duckdb'
+              ? 'duckdb:///Users/name/demo.duckdb'
+              : 'sqlite:///Users/name/demo.sqlite';
      }
      if (dbType === 'mongodb') {
          return 'mongodb+srv://user:pass@cluster0.example.com/db_name?authSource=admin&authMechanism=SCRAM-SHA-256';
@@ -328,7 +375,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
          ? `${encodeURIComponent(user)}${password ? `:${encodeURIComponent(password)}` : ''}@`
          : '';

-      if (type === 'mysql' || type === 'mariadb' || type === 'sphinx') {
+      if (type === 'mysql' || type === 'mariadb' || type === 'diros' || type === 'sphinx') {
          const primary = toAddress(host, port, defaultPort);
          const replicas = values.mysqlTopology === 'replica'
              ? normalizeAddressList(values.mysqlReplicaHosts, defaultPort)
@@ -343,7 +390,17 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
          }
          const dbPath = database ? `/${encodeURIComponent(database)}` : '/';
          const query = params.toString();
-          return `mysql://${encodedAuth}${hosts.join(',')}${dbPath}${query ? `?${query}` : ''}`;
+          const scheme = type === 'diros' ? 'diros' : 'mysql';
+          return `${scheme}://${encodedAuth}${hosts.join(',')}${dbPath}${query ? `?${query}` : ''}`;
+      }
+
+      if (isFileDatabaseType(type)) {
+          const pathText = String(values.host || '').trim();
+          if (!pathText) {
+              return `${type}://`;
+          }
+          const normalizedPath = pathText.startsWith('/') ? pathText : `/${pathText}`;
+          return `${type}://${encodeURI(normalizedPath)}`;
      }

      if (type === 'mongodb') {
@@ -463,7 +520,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
              );
              const primaryHost = primaryAddress?.host || String(config.host || 'localhost');
              const primaryPort = primaryAddress?.port || Number(config.port || defaultPort);
-              const mysqlReplicaHosts = (configType === 'mysql' || configType === 'mariadb' || configType === 'sphinx') ? normalizedHosts.slice(1) : [];
+              const mysqlReplicaHosts = (configType === 'mysql' || configType === 'mariadb' || configType === 'diros' || configType === 'sphinx') ? normalizedHosts.slice(1) : [];
              const mongoHosts = configType === 'mongodb' ? normalizedHosts.slice(1) : [];
              const mysqlIsReplica = String(config.topology || '').toLowerCase() === 'replica' || mysqlReplicaHosts.length > 0;
              const mongoIsReplica = String(config.topology || '').toLowerCase() === 'replica' || mongoHosts.length > 0 || !!config.replicaSet;
@@ -539,7 +596,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
      const isRedisType = values.type === 'redis';
      const newConn = {
        id: initialValues ? initialValues.id : Date.now().toString(),
-        name: values.name || (values.type === 'sqlite' ? 'SQLite DB' : (values.type === 'redis' ? `Redis ${displayHost}` : displayHost)),
+        name: values.name || (isFileDatabaseType(values.type) ? (values.type === 'duckdb' ? 'DuckDB DB' : 'SQLite DB') : (values.type === 'redis' ? `Redis ${displayHost}` : displayHost)),
        config: config,
        includeDatabases: values.includeDatabases,
        includeRedisDatabases: isRedisType ? values.includeRedisDatabases : undefined
@@ -710,7 +767,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
          ? mergedValues.savePassword !== false
          : true;

-      if (type === 'mysql' || type === 'mariadb' || type === 'sphinx') {
+      if (type === 'mysql' || type === 'mariadb' || type === 'diros' || type === 'sphinx') {
          const replicas = mergedValues.mysqlTopology === 'replica'
              ? normalizeAddressList(mergedValues.mysqlReplicaHosts, defaultPort)
              : [];
@@ -793,7 +850,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
      form.setFieldsValue({ type: type });

      const defaultPort = getDefaultPortByType(type);
-      if (type !== 'sqlite' && type !== 'custom') {
+      if (!isFileDatabaseType(type) && type !== 'custom') {
          form.setFieldsValue({
              port: defaultPort,
              mysqlTopology: 'single',
@@ -817,7 +874,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
      setStep(2);
  };

-  const isSqlite = dbType === 'sqlite';
+  const isFileDb = isFileDatabaseType(dbType);
  const isCustom = dbType === 'custom';
  const isRedis = dbType === 'redis';

@@ -825,10 +882,12 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
      { label: '关系型数据库', items: [
          { key: 'mysql', name: 'MySQL', icon: <ConsoleSqlOutlined style={{ fontSize: 24, color: '#00758F' }} /> },
          { key: 'mariadb', name: 'MariaDB', icon: <ConsoleSqlOutlined style={{ fontSize: 24, color: '#003545' }} /> },
+          { key: 'diros', name: 'Diros', icon: <ConsoleSqlOutlined style={{ fontSize: 24, color: '#0050b3' }} /> },
          { key: 'sphinx', name: 'Sphinx', icon: <ConsoleSqlOutlined style={{ fontSize: 24, color: '#2F5D62' }} /> },
          { key: 'postgres', name: 'PostgreSQL', icon: <DatabaseOutlined style={{ fontSize: 24, color: '#336791' }} /> },
          { key: 'sqlserver', name: 'SQL Server', icon: <DatabaseOutlined style={{ fontSize: 24, color: '#CC2927' }} /> },
          { key: 'sqlite', name: 'SQLite', icon: <FileTextOutlined style={{ fontSize: 24, color: '#003B57' }} /> },
+          { key: 'duckdb', name: 'DuckDB', icon: <FileTextOutlined style={{ fontSize: 24, color: '#f59e0b' }} /> },
          { key: 'oracle', name: 'Oracle', icon: <DatabaseOutlined style={{ fontSize: 24, color: '#F80000' }} /> },
      ]},
      { label: '国产数据库', items: [
@@ -988,16 +1047,16 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
        <div style={{ display: 'flex', gap: 16 }}>
            <Form.Item
                name="host"
-                label={isSqlite ? "文件路径 (绝对路径)" : "主机地址 (Host)"}
+                label={isFileDb ? "文件路径 (绝对路径)" : "主机地址 (Host)"}
                rules={[createUriAwareRequiredRule('请输入地址/路径')]}
                style={{ flex: 1 }}
            >
              <Input
-                placeholder={isSqlite ? "/path/to/db.sqlite" : "localhost"}
+                placeholder={isFileDb ? (dbType === 'duckdb' ? "/path/to/db.duckdb" : "/path/to/db.sqlite") : "localhost"}
                onDoubleClick={requestTest}
              />
            </Form.Item>
-            {!isSqlite && (
+            {!isFileDb && (
            <Form.Item
                name="port"
                label="端口 (Port)"
@@ -1009,7 +1068,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
            )}
        </div>

-        {(dbType === 'mysql' || dbType === 'mariadb' || dbType === 'sphinx') && (
+        {(dbType === 'mysql' || dbType === 'mariadb' || dbType === 'diros' || dbType === 'sphinx') && (
        <>
            <Form.Item name="mysqlTopology" label="连接模式">
                <Select
@@ -1174,7 +1233,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
        )}

        {/* Non-Redis, non-SQLite: username and password */}
-        {!isSqlite && !isRedis && (
+        {!isFileDb && !isRedis && (
        <div style={{ display: 'flex', gap: 16 }}>
            <Form.Item
                name="user"
@@ -1209,7 +1268,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
        </Form.Item>
        )}

-        {!isSqlite && !isRedis && (
+        {!isFileDb && !isRedis && (
        <Form.Item name="includeDatabases" label="显示数据库 (留空显示全部)" help="连接测试成功后可选择">
            <Select mode="multiple" placeholder="选择显示的数据库" allowClear>
                {dbList.map(db => <Select.Option key={db} value={db}>{db}</Select.Option>)}
@@ -1217,7 +1276,7 @@ const ConnectionModal: React.FC<{ open: boolean; onClose: () => void; initialVal
        </Form.Item>
        )}

-        {!isSqlite && (
+        {!isFileDb && (
        <>
            <Divider style={{ margin: '12px 0' }} />
            <Form.Item name="useSSH" valuePropName="checked" style={{ marginBottom: 0 }}>
--- a/frontend/src/components/DataViewer.tsx
+++ b/frontend/src/components/DataViewer.tsx
@@ -61,7 +61,7 @@ const DataViewer: React.FC<{ tab: TabData }> = ({ tab }) => {

    const dbType = config.type || '';
    const dbTypeLower = String(dbType || '').trim().toLowerCase();
-    const isMySQLFamily = dbTypeLower === 'mysql' || dbTypeLower === 'mariadb';
+    const isMySQLFamily = dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros';

    const dbName = tab.dbName || '';
    const tableName = tab.tableName || '';
--- a/frontend/src/components/DefinitionViewer.tsx
+++ b/frontend/src/components/DefinitionViewer.tsx
@@ -23,9 +23,11 @@ const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
    const getMetadataDialect = (conn: any): string => {
        const type = String(conn?.config?.type || '').trim().toLowerCase();
        if (type === 'custom') {
-            return String(conn?.config?.driver || '').trim().toLowerCase();
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
        }
-        if (type === 'mariadb' || type === 'sphinx') return 'mysql';
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
        if (type === 'dameng') return 'dm';
        return type;
    };
@@ -47,6 +49,55 @@ const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
        return { schema: '', name: raw };
    };

+    const getCaseInsensitiveRawValue = (row: Record<string, any>, candidateKeys: string[]): any => {
+        const keyMap = new Map<string, any>();
+        Object.keys(row || {}).forEach((key) => keyMap.set(key.toLowerCase(), row[key]));
+        for (const key of candidateKeys) {
+            const value = keyMap.get(key.toLowerCase());
+            if (value !== undefined && value !== null) {
+                return value;
+            }
+        }
+        return undefined;
+    };
+
+    const parseDuckDBParameterNames = (raw: any): string[] => {
+        if (Array.isArray(raw)) {
+            return raw
+                .map((item) => String(item ?? '').trim())
+                .filter((item) => item !== '' && item.toLowerCase() !== '<nil>');
+        }
+        const text = String(raw ?? '').trim();
+        if (!text) return [];
+        const normalized = text.startsWith('[') && text.endsWith(']')
+            ? text.slice(1, -1)
+            : text;
+        return normalized
+            .split(',')
+            .map((part) => part.trim())
+            .filter((part) => part !== '' && part.toLowerCase() !== '<nil>');
+    };
+
+    const buildDuckDBMacroDDL = (
+        schemaName: string,
+        functionName: string,
+        parametersRaw: any,
+        macroDefinitionRaw: any
+    ): string => {
+        const schema = String(schemaName || '').trim();
+        const name = String(functionName || '').trim();
+        const macroDefinition = String(macroDefinitionRaw || '').trim();
+        if (!name || !macroDefinition) return '';
+
+        const parameters = parseDuckDBParameterNames(parametersRaw).join(', ');
+        const qualifiedName = schema ? `${schema}.${name}` : name;
+        const isTableMacro = !macroDefinition.startsWith('(');
+        if (isTableMacro) {
+            return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS TABLE ${macroDefinition};`;
+        }
+        return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS ${macroDefinition};`;
+    };
+
    const buildShowViewQueries = (dialect: string, viewName: string, dbName: string): string[] => {
        const { schema, name } = parseSchemaAndName(viewName);
        const safeName = escapeSQLLiteral(name);
@@ -81,6 +132,10 @@ const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
                return [`SELECT TEXT AS view_definition FROM USER_VIEWS WHERE VIEW_NAME = '${safeName.toUpperCase()}'`];
            case 'sqlite':
                return [`SELECT sql AS view_definition FROM sqlite_master WHERE type='view' AND name='${safeName}'`];
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                return [`SELECT view_definition FROM information_schema.views WHERE table_schema = '${escapeSQLLiteral(schemaRef)}' AND table_name = '${safeName}' LIMIT 1`];
+            }
            default:
                return [`-- 暂不支持该数据库类型的视图定义查看`];
        }
@@ -120,8 +175,16 @@ const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
                }
                return [`SELECT TEXT FROM USER_SOURCE WHERE NAME = '${safeName.toUpperCase()}' AND TYPE = '${upperType}' ORDER BY LINE`];
            }
+            case 'duckdb': {
+                const schemaRef = schema || 'main';
+                const safeSchema = escapeSQLLiteral(schemaRef);
+                return [
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND schema_name = '${safeSchema}' AND function_name = '${safeName}' LIMIT 1`,
+                    `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND function_name = '${safeName}' ORDER BY CASE WHEN schema_name = '${safeSchema}' THEN 0 ELSE 1 END, schema_name LIMIT 1`,
+                ];
+            }
            case 'sqlite':
-                return [`-- SQLite 不支持存储函数/存储过程`];
+                return [`-- SQLite 不支持函数/存储过程定义管理`];
            default:
                return [`-- 暂不支持该数据库类型的函数/存储过程定义查看`];
        }
@@ -244,6 +307,21 @@ const DefinitionViewer: React.FC<DefinitionViewerProps> = ({ tab }) => {
                // Oracle/DM ALL_SOURCE returns multiple rows, one per line
                return data.map(row => row.text || row.TEXT || Object.values(row)[0] || '').join('');
            }
+            case 'duckdb': {
+                const row = data[0] as Record<string, any>;
+                const ddl = buildDuckDBMacroDDL(
+                    String(getCaseInsensitiveRawValue(row, ['schema_name']) || '').trim(),
+                    String(getCaseInsensitiveRawValue(row, ['function_name', 'routine_name', 'name']) || '').trim(),
+                    getCaseInsensitiveRawValue(row, ['parameters']),
+                    getCaseInsensitiveRawValue(row, ['macro_definition'])
+                );
+                if (ddl) return ddl;
+                const fallback = getCaseInsensitiveRawValue(row, ['macro_definition', 'routine_definition', 'definition']);
+                if (fallback !== undefined && fallback !== null && String(fallback).trim() !== '') {
+                    return String(fallback);
+                }
+                return JSON.stringify(row, null, 2);
+            }
            default: {
                const row = data[0];
                return row.routine_definition || row.ROUTINE_DEFINITION || Object.values(row)[0] || '';
--- a/frontend/src/components/QueryEditor.tsx
+++ b/frontend/src/components/QueryEditor.tsx
@@ -922,7 +922,7 @@ const QueryEditor: React.FC<{ tab: TabData }> = ({ tab }) => {

  const applyAutoLimit = (sql: string, dbType: string, maxRows: number): { sql: string; applied: boolean; maxRows: number } => {
      const normalizedType = (dbType || 'mysql').toLowerCase();
-      const supportsLimit = normalizedType === 'mysql' || normalizedType === 'mariadb' || normalizedType === 'sphinx' || normalizedType === 'postgres' || normalizedType === 'kingbase' || normalizedType === 'sqlite' || normalizedType === 'tdengine' || normalizedType === '';
+      const supportsLimit = normalizedType === 'mysql' || normalizedType === 'mariadb' || normalizedType === 'diros' || normalizedType === 'sphinx' || normalizedType === 'postgres' || normalizedType === 'kingbase' || normalizedType === 'sqlite' || normalizedType === 'duckdb' || normalizedType === 'tdengine' || normalizedType === '';
      if (!supportsLimit) return { sql, applied: false, maxRows };
      if (!Number.isFinite(maxRows) || maxRows <= 0) return { sql, applied: false, maxRows };

--- a/frontend/src/components/Sidebar.tsx
+++ b/frontend/src/components/Sidebar.tsx
@@ -228,9 +228,11 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
  const getMetadataDialect = (conn: SavedConnection | undefined): string => {
      const type = String(conn?.config?.type || '').trim().toLowerCase();
      if (type === 'custom') {
-          return String((conn?.config as any)?.driver || '').trim().toLowerCase();
+          const driver = String((conn?.config as any)?.driver || '').trim().toLowerCase();
+          if (driver === 'diros' || driver === 'doris') return 'mysql';
+          return driver;
      }
-      if (type === 'mariadb' || type === 'sphinx') return 'mysql';
+      if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
      if (type === 'dameng') return 'dm';
      return type;
  };
@@ -283,6 +285,18 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
      return '';
  };

+  const getCaseInsensitiveRawValue = (row: Record<string, any>, candidateKeys: string[]): any => {
+      const keyMap = new Map<string, any>();
+      Object.keys(row || {}).forEach((key) => keyMap.set(key.toLowerCase(), row[key]));
+      for (const key of candidateKeys) {
+          const value = keyMap.get(key.toLowerCase());
+          if (value !== undefined && value !== null) {
+              return value;
+          }
+      }
+      return undefined;
+  };
+
  const getFirstRowValue = (row: Record<string, any>): string => {
      for (const value of Object.values(row || {})) {
          if (value !== undefined && value !== null) {
@@ -326,6 +340,44 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
      };
  };

+  const parseDuckDBParameterNames = (raw: any): string[] => {
+      if (Array.isArray(raw)) {
+          return raw
+              .map((item) => String(item ?? '').trim())
+              .filter((item) => item !== '' && item.toLowerCase() !== '<nil>');
+      }
+
+      const text = String(raw ?? '').trim();
+      if (!text) return [];
+      const normalized = text.startsWith('[') && text.endsWith(']')
+          ? text.slice(1, -1)
+          : text;
+      return normalized
+          .split(',')
+          .map((part) => part.trim())
+          .filter((part) => part !== '' && part.toLowerCase() !== '<nil>');
+  };
+
+  const buildDuckDBMacroDDL = (
+      schemaName: string,
+      functionName: string,
+      parametersRaw: any,
+      macroDefinitionRaw: any
+  ): string => {
+      const schema = String(schemaName || '').trim();
+      const name = String(functionName || '').trim();
+      const macroDefinition = String(macroDefinitionRaw || '').trim();
+      if (!name || !macroDefinition) return '';
+
+      const parameters = parseDuckDBParameterNames(parametersRaw).join(', ');
+      const qualifiedName = schema ? `${schema}.${name}` : name;
+      const isTableMacro = !macroDefinition.startsWith('(');
+      if (isTableMacro) {
+          return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS TABLE ${macroDefinition};`;
+      }
+      return `CREATE OR REPLACE MACRO ${qualifiedName}(${parameters}) AS ${macroDefinition};`;
+  };
+
  const buildViewsMetadataQuerySpecs = (dialect: string, dbName: string): MetadataQuerySpec[] => {
      const safeDbName = escapeSQLLiteral(dbName);
      switch (dialect) {
@@ -358,6 +410,8 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
              return [{ sql: `SELECT OWNER AS schema_name, VIEW_NAME AS view_name FROM ALL_VIEWS WHERE OWNER = '${safeDbName.toUpperCase()}' ORDER BY VIEW_NAME` }];
          case 'sqlite':
              return [{ sql: `SELECT name AS view_name FROM sqlite_master WHERE type = 'view' ORDER BY name` }];
+          case 'duckdb':
+              return [{ sql: `SELECT table_schema AS schema_name, table_name AS view_name FROM information_schema.views WHERE table_schema NOT IN ('information_schema', 'pg_catalog') ORDER BY table_schema, table_name` }];
          default:
              return [];
      }
@@ -395,6 +449,8 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
              return [{ sql: `SELECT OWNER AS schema_name, TABLE_NAME AS table_name, TRIGGER_NAME AS trigger_name FROM ALL_TRIGGERS WHERE OWNER = '${safeDbName.toUpperCase()}' ORDER BY TABLE_NAME, TRIGGER_NAME` }];
          case 'sqlite':
              return [{ sql: `SELECT name AS trigger_name, tbl_name AS table_name FROM sqlite_master WHERE type = 'trigger' ORDER BY tbl_name, name` }];
+          case 'duckdb':
+              return [];
          default:
              return [];
      }
@@ -438,6 +494,11 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                  return [{ sql: `SELECT OBJECT_NAME AS routine_name, OBJECT_TYPE AS routine_type FROM USER_OBJECTS WHERE OBJECT_TYPE IN ('FUNCTION','PROCEDURE') ORDER BY OBJECT_TYPE, OBJECT_NAME` }];
              }
              return [{ sql: `SELECT OWNER AS schema_name, OBJECT_NAME AS routine_name, OBJECT_TYPE AS routine_type FROM ALL_OBJECTS WHERE OWNER = '${safeDbName.toUpperCase()}' AND OBJECT_TYPE IN ('FUNCTION','PROCEDURE') ORDER BY OBJECT_TYPE, OBJECT_NAME` }];
+          case 'duckdb':
+              return [{
+                  sql: `SELECT schema_name, function_name AS routine_name, 'FUNCTION' AS routine_type FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND COALESCE(macro_definition, '') <> '' ORDER BY schema_name, function_name`,
+                  inferredType: 'FUNCTION',
+              }];
          default:
              return [];
      }
@@ -1697,6 +1758,13 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
              case 'sqlite':
                  query = `SELECT sql AS view_definition FROM sqlite_master WHERE type='view' AND name='${escapeSQLLiteral(viewName)}'`;
                  break;
+              case 'duckdb': {
+                  const parts = splitQualifiedName(viewName);
+                  const viewSchema = escapeSQLLiteral(parts.schemaName || 'main');
+                  const viewObject = escapeSQLLiteral(parts.objectName || viewName);
+                  query = `SELECT view_definition FROM information_schema.views WHERE table_schema='${viewSchema}' AND table_name='${viewObject}' LIMIT 1`;
+                  break;
+              }
          }
          if (query) {
              const result = await DBQuery(config as any, dbName, query);
@@ -1739,6 +1807,7 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
              template = `CREATE OR REPLACE VIEW view_name AS\nSELECT column1, column2\nFROM table_name\nWHERE condition;`;
              break;
          case 'sqlite':
+          case 'duckdb':
              template = `CREATE VIEW view_name AS\nSELECT column1, column2\nFROM table_name\nWHERE condition;`;
              break;
          default:
@@ -1831,9 +1900,9 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
      try {
          const config = buildRuntimeConfig(conn, dbName);
          let query = '';
-          const parts = routineName.split('.');
-          const name = parts.length > 1 ? parts[1] : routineName;
-          const schema = parts.length > 1 ? parts[0] : '';
+          const parsedRoutine = splitQualifiedName(routineName);
+          const name = parsedRoutine.objectName || routineName;
+          const schema = parsedRoutine.schemaName;

          switch (dialect) {
              case 'mysql':
@@ -1856,6 +1925,11 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                  }
                  break;
              }
+              case 'duckdb': {
+                  const schemaRef = schema || 'main';
+                  query = `SELECT schema_name, function_name, parameters, macro_definition FROM duckdb_functions() WHERE internal = false AND lower(function_type) = 'macro' AND schema_name = '${escapeSQLLiteral(schemaRef)}' AND function_name = '${escapeSQLLiteral(name)}' LIMIT 1`;
+                  break;
+              }
          }
          if (query) {
              const result = await DBQuery(config as any, dbName, query);
@@ -1863,6 +1937,15 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                  if (dialect === 'oracle' || dialect === 'dm') {
                      const lines = result.data.map((row: any) => row.text || row.TEXT || Object.values(row)[0] || '').join('');
                      if (lines) template = `-- 编辑${typeLabel} ${routineName}\nCREATE OR REPLACE ${lines}`;
+                  } else if (dialect === 'duckdb') {
+                      const row = result.data[0] as Record<string, any>;
+                      const ddl = buildDuckDBMacroDDL(
+                          String(getCaseInsensitiveRawValue(row, ['schema_name']) || schema || '').trim(),
+                          String(getCaseInsensitiveRawValue(row, ['function_name']) || name || '').trim(),
+                          getCaseInsensitiveRawValue(row, ['parameters']),
+                          getCaseInsensitiveRawValue(row, ['macro_definition'])
+                      );
+                      if (ddl) template = `-- 编辑${typeLabel} ${routineName}\n${ddl}`;
                  } else {
                      const row = result.data[0] as Record<string, any>;
                      const def = row.routine_definition || row.ROUTINE_DEFINITION || Object.values(row).find(v => typeof v === 'string' && String(v).length > 10) || '';
@@ -1910,6 +1993,11 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>
                  ? `CREATE OR REPLACE PROCEDURE proc_name(param1 IN NUMBER)\nIS\nBEGIN\n    -- procedure body\n    NULL;\nEND;`
                  : `CREATE OR REPLACE FUNCTION func_name(param1 IN NUMBER)\nRETURN NUMBER\nIS\nBEGIN\n    RETURN param1 * 2;\nEND;`;
              break;
+          case 'duckdb':
+              template = isProc
+                  ? `-- DuckDB 暂不支持存储过程\n-- 请使用 SQL Macro 作为函数能力\nCREATE MACRO func_name(param1) AS (param1 * 2);`
+                  : `CREATE MACRO func_name(param1) AS (param1 * 2);`;
+              break;
          default:
              template = isProc
                  ? `CREATE PROCEDURE proc_name()\nBEGIN\n    -- procedure body\nEND;`
@@ -2031,20 +2119,24 @@ const Sidebar: React.FC<{ onEditConnection?: (conn: SavedConnection) => void }>

    // 函数分组节点的右键菜单
    if (node.type === 'object-group' && node.dataRef?.groupKey === 'routines') {
-        return [
+        const dialect = getMetadataDialect(node.dataRef as SavedConnection);
+        const routineMenu: MenuProps['items'] = [
            {
                key: 'create-function',
                label: '新建函数',
                icon: <PlusOutlined />,
                onClick: () => openCreateRoutine(node, 'FUNCTION')
            },
-            {
+        ];
+        if (dialect !== 'duckdb') {
+            routineMenu.push({
                key: 'create-procedure',
                label: '新建存储过程',
                icon: <PlusOutlined />,
                onClick: () => openCreateRoutine(node, 'PROCEDURE')
-            },
-        ];
+            });
+        }
+        return routineMenu;
    }

    if (node.type === 'connection') {
--- a/frontend/src/components/TableDesigner.tsx
+++ b/frontend/src/components/TableDesigner.tsx
@@ -479,7 +479,7 @@ const TableDesigner: React.FC<{ tab: TabData }> = ({ tab }) => {
  const getDbType = (): string => {
    const conn = connections.find(c => c.id === tab.connectionId);
    const type = String(conn?.config?.type || '').toLowerCase();
-    if (type === 'mariadb' || type === 'sphinx') return 'mysql';
+    if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
    if (type === 'dameng') return 'dm';
    return type;
  };
--- a/frontend/src/components/TriggerViewer.tsx
+++ b/frontend/src/components/TriggerViewer.tsx
@@ -50,9 +50,11 @@ const TriggerViewer: React.FC<TriggerViewerProps> = ({ tab }) => {
    const getMetadataDialect = (conn: any): string => {
        const type = String(conn?.config?.type || '').trim().toLowerCase();
        if (type === 'custom') {
-            return String(conn?.config?.driver || '').trim().toLowerCase();
+            const driver = String(conn?.config?.driver || '').trim().toLowerCase();
+            if (driver === 'diros' || driver === 'doris') return 'mysql';
+            return driver;
        }
-        if (type === 'mariadb' || type === 'sphinx') return 'mysql';
+        if (type === 'mariadb' || type === 'diros' || type === 'sphinx') return 'mysql';
        if (type === 'dameng') return 'dm';
        return type;
    };
@@ -100,6 +102,8 @@ LIMIT 1`];
                return [`SELECT TRIGGER_BODY FROM ALL_TRIGGERS WHERE OWNER = '${safeDbName.toUpperCase()}' AND TRIGGER_NAME = '${safeTriggerName.toUpperCase()}'`];
            case 'sqlite':
                return [`SELECT sql FROM sqlite_master WHERE type = 'trigger' AND name = '${safeTriggerName}'`];
+            case 'duckdb':
+                return [`-- DuckDB 不支持触发器`];
            case 'tdengine':
                return [`-- TDengine 不支持触发器`];
            case 'mongodb':
--- a/frontend/src/store.ts
+++ b/frontend/src/store.ts
@@ -14,6 +14,7 @@ const DEFAULT_CONNECTION_TYPE = 'mysql';
 const SUPPORTED_CONNECTION_TYPES = new Set([
  'mysql',
  'mariadb',
+  'diros',
  'sphinx',
  'postgres',
  'redis',
@@ -26,6 +27,7 @@ const SUPPORTED_CONNECTION_TYPES = new Set([
  'highgo',
  'vastbase',
  'sqlite',
+  'duckdb',
  'custom',
 ]);

@@ -34,6 +36,10 @@ const getDefaultPortByType = (type: string): number => {
    case 'mysql':
    case 'mariadb':
      return 3306;
+    case 'diros':
+      return 9030;
+    case 'duckdb':
+      return 0;
    case 'sphinx':
      return 9306;
    case 'postgres':
--- a/frontend/src/utils/sql.ts
+++ b/frontend/src/utils/sql.ts
@@ -36,7 +36,7 @@ export const quoteIdentPart = (dbType: string, ident: string) => {
  if (!raw) return raw;
  const dbTypeLower = (dbType || '').toLowerCase();

-  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'sphinx' || dbTypeLower === 'tdengine') {
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros' || dbTypeLower === 'sphinx' || dbTypeLower === 'tdengine') {
    return `\`${raw.replace(/`/g, '``')}\``;
  }

@@ -111,7 +111,7 @@ export const buildOrderBySQL = (
  // MySQL/MariaDB 大表在无显式排序需求时强制 ORDER BY（即使按主键）可能触发 filesort，
  // 导致 `Error 1038 (HY001): Out of sort memory`。
  // 因此仅在用户主动点击排序时下发 ORDER BY，默认分页查询不加兜底排序。
-  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb') {
+  if (dbTypeLower === 'mysql' || dbTypeLower === 'mariadb' || dbTypeLower === 'diros') {
    return '';
  }

--- a/go.mod
+++ b/go.mod
@@ -8,6 +8,7 @@ require (
 	github.com/go-sql-driver/mysql v1.9.3
 	github.com/highgo/pq-sm3 v0.0.0
 	github.com/lib/pq v1.11.1
+	github.com/marcboeker/go-duckdb v1.8.5
 	github.com/microsoft/go-mssqldb v1.9.6
 	github.com/redis/go-redis/v9 v9.17.3
 	github.com/sijms/go-ora/v2 v2.9.0
@@ -22,21 +23,26 @@ require (

 require (
 	filippo.io/edwards25519 v1.1.0 // indirect
+	github.com/apache/arrow-go/v18 v18.1.0 // indirect
 	github.com/bep/debounce v1.2.1 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f // indirect
 	github.com/dustin/go-humanize v1.0.1 // indirect
 	github.com/go-ole/go-ole v1.3.0 // indirect
+	github.com/go-viper/mapstructure/v2 v2.2.1 // indirect
+	github.com/goccy/go-json v0.10.5 // indirect
 	github.com/godbus/dbus/v5 v5.1.0 // indirect
 	github.com/golang-sql/civil v0.0.0-20220223132316-b832511892a9 // indirect
 	github.com/golang-sql/sqlexp v0.1.0 // indirect
 	github.com/golang/snappy v0.0.4 // indirect
+	github.com/google/flatbuffers v25.1.24+incompatible // indirect
 	github.com/google/uuid v1.6.0 // indirect
 	github.com/gorilla/websocket v1.5.3 // indirect
 	github.com/hashicorp/go-version v1.7.0 // indirect
 	github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e // indirect
 	github.com/json-iterator/go v1.1.12 // indirect
-	github.com/klauspost/compress v1.17.6 // indirect
+	github.com/klauspost/compress v1.17.11 // indirect
+	github.com/klauspost/cpuid/v2 v2.2.9 // indirect
 	github.com/labstack/echo/v4 v4.13.3 // indirect
 	github.com/labstack/gommon v0.4.2 // indirect
 	github.com/leaanthony/go-ansi-parser v1.6.1 // indirect
@@ -45,9 +51,10 @@ require (
 	github.com/leaanthony/u v1.1.1 // indirect
 	github.com/mattn/go-colorable v0.1.13 // indirect
 	github.com/mattn/go-isatty v0.0.20 // indirect
-	github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 // indirect
+	github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd // indirect
 	github.com/modern-go/reflect2 v1.0.2 // indirect
 	github.com/ncruces/go-strftime v1.0.0 // indirect
+	github.com/pierrec/lz4/v4 v4.1.22 // indirect
 	github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c // indirect
 	github.com/pkg/errors v0.9.1 // indirect
 	github.com/remyoudompheng/bigfft v0.0.0-20230129092748-24d4a6f8daec // indirect
@@ -68,10 +75,15 @@ require (
 	github.com/xuri/efp v0.0.1 // indirect
 	github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9 // indirect
 	github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 // indirect
+	github.com/zeebo/xxh3 v1.0.2 // indirect
 	golang.org/x/exp v0.0.0-20251023183803-a4bb9ffd2546 // indirect
+	golang.org/x/mod v0.31.0 // indirect
 	golang.org/x/net v0.48.0 // indirect
 	golang.org/x/sync v0.19.0 // indirect
 	golang.org/x/sys v0.40.0 // indirect
+	golang.org/x/telemetry v0.0.0-20251203150158-8fff8a5912fc // indirect
+	golang.org/x/tools v0.40.0 // indirect
+	golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da // indirect
 	modernc.org/libc v1.67.6 // indirect
 	modernc.org/mathutil v1.7.1 // indirect
 	modernc.org/memory v1.11.0 // indirect
--- a/go.sum
+++ b/go.sum
@@ -16,6 +16,12 @@ github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1 h1:bFWuo
 github.com/Azure/azure-sdk-for-go/sdk/security/keyvault/internal v1.1.1/go.mod h1:Vih/3yc6yac2JzU4hzpaDupBJP0Flaia9rXXrU8xyww=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2 h1:oygO0locgZJe7PpYPXT5A29ZkwJaPqcva7BVeemZOZs=
 github.com/AzureAD/microsoft-authentication-library-for-go v1.4.2/go.mod h1:wP83P5OoQ5p6ip3ScPr0BAq0BvuPAvacpEuSzyouqAI=
+github.com/andybalholm/brotli v1.1.1 h1:PR2pgnyFznKEugtsUo0xLdDop5SKXd5Qf5ysW+7XdTA=
+github.com/andybalholm/brotli v1.1.1/go.mod h1:05ib4cKhjx3OQYUY22hTVd34Bc8upXjOLL2rKwwZBoA=
+github.com/apache/arrow-go/v18 v18.1.0 h1:agLwJUiVuwXZdwPYVrlITfx7bndULJ/dggbnLFgDp/Y=
+github.com/apache/arrow-go/v18 v18.1.0/go.mod h1:tigU/sIgKNXaesf5d7Y95jBBKS5KsxTqYBKXFsvKzo0=
+github.com/apache/thrift v0.21.0 h1:tdPmh/ptjE1IJnhbhrcl2++TauVjy242rkV/UzJChnE=
+github.com/apache/thrift v0.21.0/go.mod h1:W1H8aR/QRtYNvrPeFXBtobyRkd0/YVhTc6i07XIAgDw=
 github.com/bep/debounce v1.2.1 h1:v67fRdBA9UQu2NhLFXrSg0Brw7CexQekrBwDMM8bzeY=
 github.com/bep/debounce v1.2.1/go.mod h1:H8yggRPQKLUhUoqrJC1bO2xNya7vanpDl7xR3ISbCJ0=
 github.com/bsm/ginkgo/v2 v2.12.0 h1:Ny8MWAHyOepLGlLKYmXG4IEkioBysk6GpaRTLC8zwWs=
@@ -35,6 +41,10 @@ github.com/go-ole/go-ole v1.3.0 h1:Dt6ye7+vXGIKZ7Xtk4s6/xVdGDQynvom7xCFEdWr6uE=
 github.com/go-ole/go-ole v1.3.0/go.mod h1:5LS6F96DhAwUc7C+1HLexzMXY1xGRSryjyPPKW6zv78=
 github.com/go-sql-driver/mysql v1.9.3 h1:U/N249h2WzJ3Ukj8SowVFjdtZKfu9vlLZxjPXV1aweo=
 github.com/go-sql-driver/mysql v1.9.3/go.mod h1:qn46aNg1333BRMNU69Lq93t8du/dwxI64Gl8i5p1WMU=
+github.com/go-viper/mapstructure/v2 v2.2.1 h1:ZAaOCxANMuZx5RCeg0mBdEZk7DZasvvZIxtHqx8aGss=
+github.com/go-viper/mapstructure/v2 v2.2.1/go.mod h1:oJDH3BJKyqBA2TXFhDsKDGDTlndYOZ6rGS0BRZIxGhM=
+github.com/goccy/go-json v0.10.5 h1:Fq85nIqj+gXn/S5ahsiTlK3TmC85qgirsdTP/+DeaC4=
+github.com/goccy/go-json v0.10.5/go.mod h1:oq7eo15ShAhp70Anwd5lgX2pLfOS3QCiwU/PULtXL6M=
 github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk=
 github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA=
 github.com/golang-jwt/jwt/v5 v5.2.2 h1:Rl4B7itRWVtYIHFrSNd7vhTiz9UpLdi6gZhZ3wEeDy8=
@@ -46,6 +56,8 @@ github.com/golang-sql/sqlexp v0.1.0/go.mod h1:J4ad9Vo8ZCWQ2GMrC4UCQy1JpCbwU9m3EO
 github.com/golang/snappy v0.0.1/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
 github.com/golang/snappy v0.0.4 h1:yAGX7huGHXlcLOEtBnF4w7FQwA26wojNCwOYAEhLjQM=
 github.com/golang/snappy v0.0.4/go.mod h1:/XxbfmMg8lxefKM7IXC3fBNl/7bRcc72aCRzEWrmP2Q=
+github.com/google/flatbuffers v25.1.24+incompatible h1:4wPqL3K7GzBd1CwyhSd3usxLKOaJN/AC6puCca6Jm7o=
+github.com/google/flatbuffers v25.1.24+incompatible/go.mod h1:1AeVuKshWv4vARoZatz6mlQ0JxURH0Kv5+zNeJKJCa8=
 github.com/google/go-cmp v0.6.0 h1:ofyhxvXcZhMsU5ulbFiLKl/XBFqE1GSq7atu8tAmTRI=
 github.com/google/go-cmp v0.6.0/go.mod h1:17dUlkBOakJ0+DkrSSNjCkIjxS6bF9zb3elmeNGIjoY=
 github.com/google/gofuzz v1.0.0/go.mod h1:dBl0BpW6vV/+mYPU4Po3pmUjxk6FQPldtuIdl/M65Eg=
@@ -64,8 +76,12 @@ github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e h1:Q3+PugElBCf4P
 github.com/jchv/go-winloader v0.0.0-20210711035445-715c2860da7e/go.mod h1:alcuEEnZsY1WQsagKhZDsoPCRoOijYqhZvPwLG0kzVs=
 github.com/json-iterator/go v1.1.12 h1:PV8peI4a0ysnczrg+LtxykD8LfKY9ML6u2jnxaEnrnM=
 github.com/json-iterator/go v1.1.12/go.mod h1:e30LSqwooZae/UwlEbR2852Gd8hjQvJoHmT4TnhNGBo=
-github.com/klauspost/compress v1.17.6 h1:60eq2E/jlfwQXtvZEeBUYADs+BwKBWURIY+Gj2eRGjI=
-github.com/klauspost/compress v1.17.6/go.mod h1:/dCuZOvVtNoHsyb+cuJD3itjs3NbnF6KH9zAO4BDxPM=
+github.com/klauspost/asmfmt v1.3.2 h1:4Ri7ox3EwapiOjCki+hw14RyKk201CN4rzyCJRFLpK4=
+github.com/klauspost/asmfmt v1.3.2/go.mod h1:AG8TuvYojzulgDAMCnYn50l/5QV3Bs/tp6j0HLHbNSE=
+github.com/klauspost/compress v1.17.11 h1:In6xLpyWOi1+C7tXUUWv2ot1QvBjxevKAaI6IXrJmUc=
+github.com/klauspost/compress v1.17.11/go.mod h1:pMDklpSncoRMuLFrf1W9Ss9KT+0rH90U12bZKk7uwG0=
+github.com/klauspost/cpuid/v2 v2.2.9 h1:66ze0taIn2H33fBvCkXuv9BmCwDfafmiIVpKV9kKGuY=
+github.com/klauspost/cpuid/v2 v2.2.9/go.mod h1:rqkxqrZ1EhYM9G+hXH7YdowN5R5RGN6NK4QwQ3WMXF8=
 github.com/kylelemons/godebug v1.1.0 h1:RPNrshWIDI6G2gRW9EHilWtl7Z6Sb1BR0xunSBf0SNc=
 github.com/kylelemons/godebug v1.1.0/go.mod h1:9/0rRGxNHcop5bhtWyNeEfOS8JIWk580+fNqagV/RAw=
 github.com/labstack/echo/v4 v4.13.3 h1:pwhpCPrTl5qry5HRdM5FwdXnhXSLSY+WE+YQSeCaafY=
@@ -84,6 +100,8 @@ github.com/leaanthony/u v1.1.1 h1:TUFjwDGlNX+WuwVEzDqQwC2lOv0P4uhTQw7CMFdiK7M=
 github.com/leaanthony/u v1.1.1/go.mod h1:9+o6hejoRljvZ3BzdYlVL0JYCwtnAsVuN9pVTQcaRfI=
 github.com/lib/pq v1.11.1 h1:wuChtj2hfsGmmx3nf1m7xC2XpK6OtelS2shMY+bGMtI=
 github.com/lib/pq v1.11.1/go.mod h1:/p+8NSbOcwzAEI7wiMXFlgydTwcgTr3OSKMsD2BitpA=
+github.com/marcboeker/go-duckdb v1.8.5 h1:tkYp+TANippy0DaIOP5OEfBEwbUINqiFqgwMQ44jME0=
+github.com/marcboeker/go-duckdb v1.8.5/go.mod h1:6mK7+WQE4P4u5AFLvVBmhFxY5fvhymFptghgJX6B+/8=
 github.com/matryer/is v1.4.0/go.mod h1:8I/i5uYgLzgsgEloJE1U6xx5HkBQpAZvepWuujKwMRU=
 github.com/matryer/is v1.4.1 h1:55ehd8zaGABKLXQUe2awZ99BD/PTc2ls+KV/dXphgEQ=
 github.com/matryer/is v1.4.1/go.mod h1:8I/i5uYgLzgsgEloJE1U6xx5HkBQpAZvepWuujKwMRU=
@@ -94,12 +112,19 @@ github.com/mattn/go-isatty v0.0.20 h1:xfD0iDuEKnDkl03q4limB+vH+GxLEtL/jb4xVJSWWE
 github.com/mattn/go-isatty v0.0.20/go.mod h1:W+V8PltTTMOvKvAeJH7IuucS94S2C6jfK/D7dTCTo3Y=
 github.com/microsoft/go-mssqldb v1.9.6 h1:1MNQg5UiSsokiPz3++K2KPx4moKrwIqly1wv+RyCKTw=
 github.com/microsoft/go-mssqldb v1.9.6/go.mod h1:yYMPDufyoF2vVuVCUGtZARr06DKFIhMrluTcgWlXpr4=
-github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421 h1:ZqeYNhU3OHLH3mGKHDcjJRFFRrJa6eAM5H+CtDdOsPc=
+github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8 h1:AMFGa4R4MiIpspGNG7Z948v4n35fFGB3RR3G/ry4FWs=
+github.com/minio/asm2plan9s v0.0.0-20200509001527-cdd76441f9d8/go.mod h1:mC1jAcsrzbxHt8iiaC+zU4b1ylILSosueou12R++wfY=
+github.com/minio/c2goasm v0.0.0-20190812172519-36a3d3bbc4f3 h1:+n/aFZefKZp7spd8DFdX7uMikMLXX4oubIzJF4kv/wI=
+github.com/minio/c2goasm v0.0.0-20190812172519-36a3d3bbc4f3/go.mod h1:RagcQ7I8IeTMnF8JTXieKnO4Z6JCsikNEzj0DwauVzE=
 github.com/modern-go/concurrent v0.0.0-20180228061459-e0a39a4cb421/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd h1:TRLaZ9cD/w8PVh93nsPXa1VrQ6jlwL5oN8l14QlcNfg=
+github.com/modern-go/concurrent v0.0.0-20180306012644-bacd9c7ef1dd/go.mod h1:6dJC0mAP4ikYIbvyc7fijjWJddQyLn8Ig3JB5CqoB9Q=
 github.com/modern-go/reflect2 v1.0.2 h1:xBagoLtFs94CBntxluKeaWgTMpvLxC4ur3nMaC9Gz0M=
 github.com/modern-go/reflect2 v1.0.2/go.mod h1:yWuevngMOJpCy52FWWMvUC8ws7m/LJsjYzDa0/r8luk=
 github.com/ncruces/go-strftime v1.0.0 h1:HMFp8mLCTPp341M/ZnA4qaf7ZlsbTc+miZjCLOFAw7w=
 github.com/ncruces/go-strftime v1.0.0/go.mod h1:Fwc5htZGVVkseilnfgOVb9mKy6w1naJmn9CehxcKcls=
+github.com/pierrec/lz4/v4 v4.1.22 h1:cKFw6uJDK+/gfw5BcDL0JL5aBsAFdsIT18eRtLj7VIU=
+github.com/pierrec/lz4/v4 v4.1.22/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c h1:+mdjkGKdHQG3305AYmdv1U2eRNDiU2ErMBj1gwrq8eQ=
 github.com/pkg/browser v0.0.0-20240102092130-5ac0b6a4141c/go.mod h1:7rwL4CYBLnjLxUqIJNnCWiEdr3bn6IUYi15bNlnbCCU=
 github.com/pkg/errors v0.9.1 h1:FEBLx1zS214owpjy7qsBeixbURkuhQAwrK5UwLGTwt4=
@@ -126,8 +151,9 @@ github.com/sijms/go-ora/v2 v2.9.0 h1:+iQbUeTeCOFMb5BsOMgUhV8KWyrv9yjKpcK4x7+MFrg
 github.com/sijms/go-ora/v2 v2.9.0/go.mod h1:QgFInVi3ZWyqAiJwzBQA+nbKYKH77tdp1PYoCqhR2dU=
 github.com/stretchr/objx v0.1.0/go.mod h1:HFkY916IF+rwdDfMAkV7OtwuqBVzrE8GR6GFx+wExME=
 github.com/stretchr/objx v0.4.0/go.mod h1:YvHI0jy2hoMjB+UWwv71VJQ9isScKT/TqJzVSSt89Yw=
-github.com/stretchr/objx v0.5.0 h1:1zr/of2m5FGMsad5YfcqgdqdWrIhu+EBEJRhR1U7z/c=
 github.com/stretchr/objx v0.5.0/go.mod h1:Yh+to48EsGEfYuaHDzXPcE3xhTkx73EhmCGUpEOglKo=
+github.com/stretchr/objx v0.5.2 h1:xuMeJ0Sdp5ZMRXx/aWO6RZxdr3beISkG5/G/aIRr3pY=
+github.com/stretchr/objx v0.5.2/go.mod h1:FRsXN1f5AsAjCGJKqEizvkpNtU+EGNCLh3NxZ/8L+MA=
 github.com/stretchr/testify v1.3.0/go.mod h1:M5WIy9Dh21IEIfnGCwXGc5bZfKNJtfHm1UVUgZn+9EI=
 github.com/stretchr/testify v1.7.1/go.mod h1:6Fq8oRcR53rry900zMqJjRRixrwX3KX962/h/Wwjteg=
 github.com/stretchr/testify v1.8.0/go.mod h1:yNjHg4UonilssWZ8iaSj1OCr/vHnekPRkoO+kdMU+MU=
@@ -165,6 +191,10 @@ github.com/xuri/nfp v0.0.2-0.20250530014748-2ddeb826f9a9/go.mod h1:WwHg+CVyzlv/T
 github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78 h1:ilQV1hzziu+LLM3zUTJ0trRztfwgjqKnBWNtSRkbmwM=
 github.com/youmark/pkcs8 v0.0.0-20240726163527-a2c0da244d78/go.mod h1:aL8wCCfTfSfmXjznFBSZNN13rSJjlIOI1fUNAtF7rmI=
 github.com/yuin/goldmark v1.4.13/go.mod h1:6yULJ656Px+3vBD8DxQVa3kxgyrAnzto9xy5taEt/CY=
+github.com/zeebo/assert v1.3.0 h1:g7C04CbJuIDKNPFHmsk4hwZDO5O+kntRxzaUoNXj+IQ=
+github.com/zeebo/assert v1.3.0/go.mod h1:Pq9JiuJQpG8JLJdtkwrJESF0Foym2/D9XMU5ciN/wJ0=
+github.com/zeebo/xxh3 v1.0.2 h1:xZmwmqxHZA8AI603jOQ0tMqmBr9lPeFwGg6d+xy9DC0=
+github.com/zeebo/xxh3 v1.0.2/go.mod h1:5NWz9Sef7zIDm2JHfFlcQvNekmcEl9ekUZQQKCYaDcA=
 go.mongodb.org/mongo-driver/v2 v2.5.0 h1:yXUhImUjjAInNcpTcAlPHiT7bIXhshCTL3jVBkF3xaE=
 go.mongodb.org/mongo-driver/v2 v2.5.0/go.mod h1:yOI9kBsufol30iFsl1slpdq1I0eHPzybRWdyYUs8K/0=
 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w=
@@ -200,6 +230,8 @@ golang.org/x/sys v0.1.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.6.0/go.mod h1:oPkhp1MJrh7nUepCBck5+mAzfO9JrbApNNgaTdGDITg=
 golang.org/x/sys v0.40.0 h1:DBZZqJ2Rkml6QMQsZywtnjnnGvHza6BTfYFWY9kjEWQ=
 golang.org/x/sys v0.40.0/go.mod h1:OgkHotnGiDImocRcuBABYBEXf8A9a87e/uXjp9XT3ks=
+golang.org/x/telemetry v0.0.0-20251203150158-8fff8a5912fc h1:bH6xUXay0AIFMElXG2rQ4uiE+7ncwtiOdPfYK1NK2XA=
+golang.org/x/telemetry v0.0.0-20251203150158-8fff8a5912fc/go.mod h1:hKdjCMrbv9skySur+Nek8Hd0uJ0GuxJIoIX2payrIdQ=
 golang.org/x/term v0.0.0-20201126162022-7de9c90e9dd1/go.mod h1:bj7SfCRtBDWHUb9snDiAeCFNEtKQo2Wmx5Cou7ajbmo=
 golang.org/x/term v0.0.0-20210927222741-03fcf44c2211/go.mod h1:jbD1KX2456YbFQfuXm/mYQcufACuNUgVhRMnK/tPxf8=
 golang.org/x/term v0.39.0 h1:RclSuaJf32jOqZz74CkPA9qFuVTX7vhLlpfj/IGWlqY=
@@ -218,6 +250,10 @@ golang.org/x/tools v0.1.12/go.mod h1:hNGJHUnrk76NpqgfD5Aqm5Crs+Hm0VOH/i9J2+nxYbc
 golang.org/x/tools v0.40.0 h1:yLkxfA+Qnul4cs9QA3KnlFu0lVmd8JJfoq+E41uSutA=
 golang.org/x/tools v0.40.0/go.mod h1:Ik/tzLRlbscWpqqMRjyWYDisX8bG13FrdXp3o4Sr9lc=
 golang.org/x/xerrors v0.0.0-20190717185122-a985d3407aa7/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0=
+golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da h1:noIWHXmPHxILtqtCOPIhSt0ABwskkZKjD3bXGnZGpNY=
+golang.org/x/xerrors v0.0.0-20240903120638-7835f813f4da/go.mod h1:NDW/Ps6MPRej6fsCIbMTohpP40sJ/P/vI1MoTEGwX90=
+gonum.org/v1/gonum v0.15.1 h1:FNy7N6OUZVUaWG9pTiD+jlhdQ3lMP+/LcTpJ6+a8sQ0=
+gonum.org/v1/gonum v0.15.1/go.mod h1:eZTZuRFrzu5pcyjN5wJhcIhnUdNijYxX1T2IcrOGY0o=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
 gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM=
 gopkg.in/yaml.v3 v3.0.1 h1:fxVm/GzAzEWqLHuvctI91KS9hhNmmWOoWu0XTYJS7CA=
--- a/internal/app/db_context.go
+++ b/internal/app/db_context.go
@@ -14,7 +14,7 @@ func normalizeRunConfig(config connection.ConnectionConfig, dbName string) conne
 	}

 	switch strings.ToLower(strings.TrimSpace(config.Type)) {
-	case "mysql", "mariadb", "sphinx", "postgres", "kingbase", "highgo", "vastbase", "sqlserver", "mongodb", "tdengine":
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "highgo", "vastbase", "sqlserver", "mongodb", "tdengine":
 		// 这些类型的 dbName 表示"数据库"，需要写入连接配置以选择目标库。
 		runConfig.Database = name
 	case "dameng":
--- a/internal/app/methods_db.go
+++ b/internal/app/methods_db.go
@@ -88,7 +88,7 @@ func (a *App) CreateDatabase(config connection.ConnectionConfig, dbName string)
 		query = fmt.Sprintf("CREATE DATABASE \"%s\"", escapedDbName)
 	} else if dbType == "tdengine" {
 		query = fmt.Sprintf("CREATE DATABASE IF NOT EXISTS %s", quoteIdentByType(dbType, dbName))
-	} else if dbType == "mariadb" {
+	} else if dbType == "mariadb" || dbType == "diros" {
 		// MariaDB uses same syntax as MySQL
 	} else if dbType == "sphinx" {
 		return connection.QueryResult{Success: false, Message: "Sphinx 暂不支持创建数据库"}
@@ -118,6 +118,8 @@ func resolveDDLDBType(config connection.ConnectionConfig) string {
 		return "sqlite"
 	case "sphinxql":
 		return "sphinx"
+	case "diros", "doris":
+		return "diros"
 	default:
 		return driver
 	}
@@ -160,7 +162,7 @@ func buildRunConfigForDDL(config connection.ConnectionConfig, dbType string, dbN
 	if strings.EqualFold(strings.TrimSpace(config.Type), "custom") {
 		// custom 连接的 dbName 语义依赖 driver，尽量在常见驱动上对齐内置类型行为。
 		switch dbType {
-		case "mysql", "mariadb", "sphinx", "postgres", "kingbase", "vastbase", "dameng":
+		case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "vastbase", "dameng":
 			if strings.TrimSpace(dbName) != "" {
 				runConfig.Database = strings.TrimSpace(dbName)
 			}
@@ -181,8 +183,8 @@ func (a *App) RenameDatabase(config connection.ConnectionConfig, oldName string,

 	dbType := resolveDDLDBType(config)
 	switch dbType {
-	case "mysql", "mariadb", "sphinx":
-		return connection.QueryResult{Success: false, Message: "MySQL/MariaDB/Sphinx 不支持直接重命名数据库，请新建库后迁移数据"}
+	case "mysql", "mariadb", "diros", "sphinx":
+		return connection.QueryResult{Success: false, Message: "MySQL/MariaDB/Diros/Sphinx 不支持直接重命名数据库，请新建库后迁移数据"}
 	case "postgres", "kingbase", "highgo", "vastbase":
 		if strings.EqualFold(strings.TrimSpace(config.Database), oldName) {
 			return connection.QueryResult{Success: false, Message: "当前连接正在使用目标数据库，请先连接到其他数据库后再重命名"}
@@ -217,7 +219,7 @@ func (a *App) DropDatabase(config connection.ConnectionConfig, dbName string) co
 		sql       string
 	)
 	switch dbType {
-	case "mysql", "mariadb", "tdengine":
+	case "mysql", "mariadb", "diros", "tdengine":
 		runConfig = config
 		runConfig.Database = ""
 		sql = fmt.Sprintf("DROP DATABASE %s", quoteIdentByType(dbType, dbName))
@@ -259,7 +261,7 @@ func (a *App) RenameTable(config connection.ConnectionConfig, dbName string, old

 	dbType := resolveDDLDBType(config)
 	switch dbType {
-	case "mysql", "mariadb", "sphinx", "postgres", "kingbase", "sqlite", "oracle", "dameng", "highgo", "vastbase", "sqlserver":
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver":
 	default:
 		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持重命名表", dbType)}
 	}
@@ -273,7 +275,7 @@ func (a *App) RenameTable(config connection.ConnectionConfig, dbName string, old

 	var sql string
 	switch dbType {
-	case "mysql", "mariadb", "sphinx":
+	case "mysql", "mariadb", "diros", "sphinx":
 		newQualifiedTable := quoteTableIdentByType(dbType, schemaName, newTableName)
 		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualifiedTable, newQualifiedTable)
 	case "sqlserver":
@@ -305,7 +307,7 @@ func (a *App) DropTable(config connection.ConnectionConfig, dbName string, table

 	dbType := resolveDDLDBType(config)
 	switch dbType {
-	case "mysql", "mariadb", "sphinx", "postgres", "kingbase", "sqlite", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "tdengine":
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "tdengine":
 	default:
 		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除表", dbType)}
 	}
@@ -556,7 +558,7 @@ func (a *App) DropView(config connection.ConnectionConfig, dbName string, viewNa

 	dbType := resolveDDLDBType(config)
 	switch dbType {
-	case "mysql", "mariadb", "sphinx", "postgres", "kingbase", "sqlite", "oracle", "dameng", "highgo", "vastbase", "sqlserver":
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "sqlite", "duckdb", "oracle", "dameng", "highgo", "vastbase", "sqlserver":
 	default:
 		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除视图", dbType)}
 	}
@@ -591,10 +593,13 @@ func (a *App) DropFunction(config connection.ConnectionConfig, dbName string, ro

 	dbType := resolveDDLDBType(config)
 	switch dbType {
-	case "mysql", "mariadb", "sphinx", "postgres", "kingbase", "oracle", "dameng", "highgo", "vastbase", "sqlserver":
+	case "mysql", "mariadb", "diros", "sphinx", "postgres", "kingbase", "oracle", "dameng", "highgo", "vastbase", "sqlserver", "duckdb":
 	default:
 		return connection.QueryResult{Success: false, Message: fmt.Sprintf("当前数据源(%s)暂不支持删除函数/存储过程", dbType)}
 	}
+	if dbType == "duckdb" && routineType == "PROCEDURE" {
+		return connection.QueryResult{Success: false, Message: "DuckDB 暂不支持存储过程"}
+	}

 	schemaName, pureName := normalizeSchemaAndTableByType(dbType, dbName, routineName)
 	if pureName == "" {
@@ -642,7 +647,7 @@ func (a *App) RenameView(config connection.ConnectionConfig, dbName string, oldN

 	var sql string
 	switch dbType {
-	case "mysql", "mariadb", "sphinx":
+	case "mysql", "mariadb", "diros", "sphinx":
 		newQualified := quoteTableIdentByType(dbType, schemaName, newName)
 		sql = fmt.Sprintf("RENAME TABLE %s TO %s", oldQualified, newQualified)
 	case "postgres", "kingbase", "highgo", "vastbase":
--- a/internal/app/methods_file.go
+++ b/internal/app/methods_file.go
@@ -655,7 +655,7 @@ func quoteIdentByType(dbType string, ident string) string {
 	}

 	switch dbType {
-	case "mysql", "mariadb", "sphinx", "tdengine":
+	case "mysql", "mariadb", "diros", "sphinx", "tdengine":
 		return "`" + strings.ReplaceAll(ident, "`", "``") + "`"
 	case "sqlserver":
 		escaped := strings.ReplaceAll(ident, "]", "]]")
@@ -787,7 +787,7 @@ func formatSQLValue(dbType string, v interface{}) string {
 	case time.Time:
 		return "'" + val.Format("2006-01-02 15:04:05") + "'"
 	case string:
-		if strings.ToLower(strings.TrimSpace(dbType)) == "mysql" && isMySQLHexLiteral(val) {
+		if (strings.ToLower(strings.TrimSpace(dbType)) == "mysql" || strings.ToLower(strings.TrimSpace(dbType)) == "diros") && isMySQLHexLiteral(val) {
 			return val
 		}
 		escaped := strings.ReplaceAll(val, "'", "''")
--- a/internal/db/database.go
+++ b/internal/db/database.go
@@ -48,12 +48,16 @@ func NewDatabase(dbType string) (Database, error) {
 		return &HighGoDB{}, nil
 	case "mariadb":
 		return &MariaDB{}, nil
+	case "diros", "doris":
+		return &DirosDB{}, nil
 	case "sphinx":
 		return &SphinxDB{}, nil
 	case "vastbase":
 		return &VastbaseDB{}, nil
 	case "tdengine":
 		return &TDengineDB{}, nil
+	case "duckdb":
+		return &DuckDB{}, nil
 	case "custom":
 		return &CustomDB{}, nil
 	default:
--- a/internal/db/diros_impl.go
+++ b/internal/db/diros_impl.go
@@ -0,0 +1,218 @@
+package db
+
+import (
+	"database/sql"
+	"fmt"
+	"net/url"
+	"strings"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/logger"
+	"GoNavi-Wails/internal/ssh"
+	"GoNavi-Wails/internal/utils"
+
+	mysqlDriver "github.com/go-sql-driver/mysql"
+)
+
+const (
+	dirosDriverName  = "diros"
+	defaultDirosPort = 9030
+)
+
+// DirosDB 使用独立 driver 名称（diros）接入，底层协议兼容 MySQL。
+type DirosDB struct {
+	MySQLDB
+}
+
+func init() {
+	for _, name := range sql.Drivers() {
+		if name == dirosDriverName {
+			return
+		}
+	}
+	sql.Register(dirosDriverName, &mysqlDriver.MySQLDriver{})
+}
+
+func applyDirosURI(config connection.ConnectionConfig) connection.ConnectionConfig {
+	uriText := strings.TrimSpace(config.URI)
+	if uriText == "" {
+		return config
+	}
+
+	lowerURI := strings.ToLower(uriText)
+	if !strings.HasPrefix(lowerURI, "diros://") &&
+		!strings.HasPrefix(lowerURI, "doris://") &&
+		!strings.HasPrefix(lowerURI, "mysql://") {
+		return config
+	}
+
+	parsed, err := url.Parse(uriText)
+	if err != nil {
+		return config
+	}
+
+	if parsed.User != nil {
+		if config.User == "" {
+			config.User = parsed.User.Username()
+		}
+		if pass, ok := parsed.User.Password(); ok && config.Password == "" {
+			config.Password = pass
+		}
+	}
+
+	if dbName := strings.TrimPrefix(parsed.Path, "/"); dbName != "" && config.Database == "" {
+		config.Database = dbName
+	}
+
+	defaultPort := config.Port
+	if defaultPort <= 0 {
+		defaultPort = defaultDirosPort
+	}
+
+	hostsFromURI := make([]string, 0, 4)
+	hostText := strings.TrimSpace(parsed.Host)
+	if hostText != "" {
+		for _, entry := range strings.Split(hostText, ",") {
+			host, port, ok := parseHostPortWithDefault(entry, defaultPort)
+			if !ok {
+				continue
+			}
+			hostsFromURI = append(hostsFromURI, normalizeMySQLAddress(host, port))
+		}
+	}
+
+	if len(config.Hosts) == 0 && len(hostsFromURI) > 0 {
+		config.Hosts = hostsFromURI
+	}
+	if strings.TrimSpace(config.Host) == "" && len(hostsFromURI) > 0 {
+		host, port, ok := parseHostPortWithDefault(hostsFromURI[0], defaultPort)
+		if ok {
+			config.Host = host
+			config.Port = port
+		}
+	}
+
+	if config.Topology == "" {
+		topology := strings.TrimSpace(parsed.Query().Get("topology"))
+		if topology != "" {
+			config.Topology = strings.ToLower(topology)
+		}
+	}
+
+	return config
+}
+
+func collectDirosAddresses(config connection.ConnectionConfig) []string {
+	defaultPort := config.Port
+	if defaultPort <= 0 {
+		defaultPort = defaultDirosPort
+	}
+
+	candidates := make([]string, 0, len(config.Hosts)+1)
+	if len(config.Hosts) > 0 {
+		candidates = append(candidates, config.Hosts...)
+	} else {
+		candidates = append(candidates, normalizeMySQLAddress(config.Host, defaultPort))
+	}
+
+	result := make([]string, 0, len(candidates))
+	seen := make(map[string]struct{}, len(candidates))
+	for _, entry := range candidates {
+		host, port, ok := parseHostPortWithDefault(entry, defaultPort)
+		if !ok {
+			continue
+		}
+		normalized := normalizeMySQLAddress(host, port)
+		if _, exists := seen[normalized]; exists {
+			continue
+		}
+		seen[normalized] = struct{}{}
+		result = append(result, normalized)
+	}
+
+	return result
+}
+
+func (d *DirosDB) getDSN(config connection.ConnectionConfig) string {
+	database := config.Database
+	protocol := "tcp"
+	address := normalizeMySQLAddress(config.Host, config.Port)
+
+	if config.UseSSH {
+		netName, err := ssh.RegisterSSHNetwork(config.SSH)
+		if err == nil {
+			protocol = netName
+			address = normalizeMySQLAddress(config.Host, config.Port)
+		} else {
+			logger.Warnf("注册 Diros SSH 网络失败，将尝试直连：地址=%s:%d 用户=%s，原因：%v", config.Host, config.Port, config.User, err)
+		}
+	}
+
+	timeout := getConnectTimeoutSeconds(config)
+
+	return fmt.Sprintf("%s:%s@%s(%s)/%s?charset=utf8mb4&parseTime=True&loc=Local&timeout=%ds",
+		config.User, config.Password, protocol, address, database, timeout)
+}
+
+func resolveDirosCredential(config connection.ConnectionConfig, addressIndex int) (string, string) {
+	primaryUser := strings.TrimSpace(config.User)
+	primaryPassword := config.Password
+	replicaUser := strings.TrimSpace(config.MySQLReplicaUser)
+	replicaPassword := config.MySQLReplicaPassword
+
+	if addressIndex > 0 && replicaUser != "" {
+		return replicaUser, replicaPassword
+	}
+
+	if primaryUser == "" && replicaUser != "" {
+		return replicaUser, replicaPassword
+	}
+
+	return config.User, primaryPassword
+}
+
+func (d *DirosDB) Connect(config connection.ConnectionConfig) error {
+	runConfig := applyDirosURI(config)
+	addresses := collectDirosAddresses(runConfig)
+	if len(addresses) == 0 {
+		return fmt.Errorf("连接建立后验证失败：未找到可用的 Diros 地址")
+	}
+
+	var errorDetails []string
+	for index, address := range addresses {
+		candidateConfig := runConfig
+		host, port, ok := parseHostPortWithDefault(address, defaultDirosPort)
+		if !ok {
+			continue
+		}
+		candidateConfig.Host = host
+		candidateConfig.Port = port
+		candidateConfig.User, candidateConfig.Password = resolveDirosCredential(runConfig, index)
+
+		dsn := d.getDSN(candidateConfig)
+		db, err := sql.Open(dirosDriverName, dsn)
+		if err != nil {
+			errorDetails = append(errorDetails, fmt.Sprintf("%s 打开失败: %v", address, err))
+			continue
+		}
+
+		timeout := getConnectTimeout(candidateConfig)
+		ctx, cancel := utils.ContextWithTimeout(timeout)
+		pingErr := db.PingContext(ctx)
+		cancel()
+		if pingErr != nil {
+			_ = db.Close()
+			errorDetails = append(errorDetails, fmt.Sprintf("%s 验证失败: %v", address, pingErr))
+			continue
+		}
+
+		d.conn = db
+		d.pingTimeout = timeout
+		return nil
+	}
+
+	if len(errorDetails) == 0 {
+		return fmt.Errorf("连接建立后验证失败：未找到可用的 Diros 地址")
+	}
+	return fmt.Errorf("连接建立后验证失败：%s", strings.Join(errorDetails, "；"))
+}
--- a/internal/db/duckdb_impl.go
+++ b/internal/db/duckdb_impl.go
@@ -0,0 +1,460 @@
+package db
+
+import (
+	"context"
+	"database/sql"
+	"fmt"
+	"strings"
+	"time"
+
+	"GoNavi-Wails/internal/connection"
+	"GoNavi-Wails/internal/utils"
+
+	_ "github.com/marcboeker/go-duckdb"
+)
+
+type DuckDB struct {
+	conn        *sql.DB
+	pingTimeout time.Duration
+}
+
+func (d *DuckDB) Connect(config connection.ConnectionConfig) error {
+	dsn := strings.TrimSpace(config.Host)
+	if dsn == "" {
+		dsn = strings.TrimSpace(config.Database)
+	}
+	if dsn == "" {
+		dsn = ":memory:"
+	}
+
+	db, err := sql.Open("duckdb", dsn)
+	if err != nil {
+		return fmt.Errorf("打开数据库连接失败：%w", err)
+	}
+	d.conn = db
+	d.pingTimeout = getConnectTimeout(config)
+
+	if err := d.Ping(); err != nil {
+		return fmt.Errorf("连接建立后验证失败：%w", err)
+	}
+	return nil
+}
+
+func (d *DuckDB) Close() error {
+	if d.conn != nil {
+		return d.conn.Close()
+	}
+	return nil
+}
+
+func (d *DuckDB) Ping() error {
+	if d.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+	timeout := d.pingTimeout
+	if timeout <= 0 {
+		timeout = 5 * time.Second
+	}
+	ctx, cancel := utils.ContextWithTimeout(timeout)
+	defer cancel()
+	return d.conn.PingContext(ctx)
+}
+
+func (d *DuckDB) QueryContext(ctx context.Context, query string) ([]map[string]interface{}, []string, error) {
+	if d.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := d.conn.QueryContext(ctx, query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (d *DuckDB) Query(query string) ([]map[string]interface{}, []string, error) {
+	if d.conn == nil {
+		return nil, nil, fmt.Errorf("connection not open")
+	}
+	rows, err := d.conn.Query(query)
+	if err != nil {
+		return nil, nil, err
+	}
+	defer rows.Close()
+	return scanRows(rows)
+}
+
+func (d *DuckDB) ExecContext(ctx context.Context, query string) (int64, error) {
+	if d.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := d.conn.ExecContext(ctx, query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (d *DuckDB) Exec(query string) (int64, error) {
+	if d.conn == nil {
+		return 0, fmt.Errorf("connection not open")
+	}
+	res, err := d.conn.Exec(query)
+	if err != nil {
+		return 0, err
+	}
+	return res.RowsAffected()
+}
+
+func (d *DuckDB) GetDatabases() ([]string, error) {
+	data, _, err := d.Query("PRAGMA database_list")
+	if err != nil {
+		return []string{"main"}, nil
+	}
+
+	seen := map[string]struct{}{}
+	var names []string
+	for _, row := range data {
+		name := strings.TrimSpace(duckDBRowString(row, "name", "database_name", "database"))
+		if name == "" {
+			continue
+		}
+		if _, exists := seen[name]; exists {
+			continue
+		}
+		seen[name] = struct{}{}
+		names = append(names, name)
+	}
+	if len(names) == 0 {
+		return []string{"main"}, nil
+	}
+	return names, nil
+}
+
+func (d *DuckDB) GetTables(dbName string) ([]string, error) {
+	query := `
+SELECT table_schema, table_name
+FROM information_schema.tables
+WHERE table_type = 'BASE TABLE'
+  AND table_schema NOT IN ('information_schema', 'pg_catalog')
+ORDER BY table_schema, table_name`
+
+	data, _, err := d.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	seen := map[string]struct{}{}
+	var tables []string
+	for _, row := range data {
+		schema := strings.TrimSpace(duckDBRowString(row, "table_schema"))
+		name := strings.TrimSpace(duckDBRowString(row, "table_name"))
+		if name == "" {
+			continue
+		}
+		qualified := name
+		if schema != "" && !strings.EqualFold(schema, "main") {
+			qualified = schema + "." + name
+		}
+		if _, exists := seen[qualified]; exists {
+			continue
+		}
+		seen[qualified] = struct{}{}
+		tables = append(tables, qualified)
+	}
+	return tables, nil
+}
+
+func (d *DuckDB) GetCreateStatement(dbName, tableName string) (string, error) {
+	schema, pureTable := normalizeDuckDBSchemaAndTable(dbName, tableName)
+	if pureTable == "" {
+		return "", fmt.Errorf("table name required")
+	}
+
+	escapedTable := escapeDuckDBLiteral(pureTable)
+	escapedSchema := escapeDuckDBLiteral(schema)
+
+	queryCandidates := []string{
+		fmt.Sprintf("SELECT sql FROM duckdb_tables() WHERE table_name = '%s' AND schema_name = '%s' LIMIT 1", escapedTable, escapedSchema),
+		fmt.Sprintf("SELECT sql FROM duckdb_tables() WHERE table_name = '%s' LIMIT 1", escapedTable),
+		fmt.Sprintf("SHOW CREATE TABLE %s", quoteDuckDBQualifiedTable(schema, pureTable)),
+	}
+
+	for _, query := range queryCandidates {
+		data, _, err := d.Query(query)
+		if err != nil || len(data) == 0 {
+			continue
+		}
+
+		createSQL := strings.TrimSpace(duckDBRowString(data[0], "sql", "create_table", "Create Table", "create_statement"))
+		if createSQL != "" {
+			return createSQL, nil
+		}
+		for _, value := range data[0] {
+			text := strings.TrimSpace(fmt.Sprintf("%v", value))
+			if text != "" && text != "<nil>" {
+				return text, nil
+			}
+		}
+	}
+
+	return "", fmt.Errorf("create statement not found")
+}
+
+func (d *DuckDB) GetColumns(dbName, tableName string) ([]connection.ColumnDefinition, error) {
+	schema, pureTable := normalizeDuckDBSchemaAndTable(dbName, tableName)
+	if pureTable == "" {
+		return nil, fmt.Errorf("table name required")
+	}
+
+	query := fmt.Sprintf(`
+SELECT column_name, data_type, is_nullable, column_default
+FROM information_schema.columns
+WHERE table_name = '%s' AND table_schema = '%s'
+ORDER BY ordinal_position`, escapeDuckDBLiteral(pureTable), escapeDuckDBLiteral(schema))
+
+	data, _, err := d.Query(query)
+	if err != nil {
+		return nil, err
+	}
+	if len(data) == 0 && schema != "main" {
+		fallbackQuery := fmt.Sprintf(`
+SELECT column_name, data_type, is_nullable, column_default
+FROM information_schema.columns
+WHERE table_name = '%s'
+ORDER BY ordinal_position`, escapeDuckDBLiteral(pureTable))
+		data, _, err = d.Query(fallbackQuery)
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	var columns []connection.ColumnDefinition
+	for _, row := range data {
+		column := connection.ColumnDefinition{
+			Name:     duckDBRowString(row, "column_name"),
+			Type:     duckDBRowString(row, "data_type"),
+			Nullable: strings.ToUpper(strings.TrimSpace(duckDBRowString(row, "is_nullable"))),
+			Key:      "",
+			Extra:    "",
+			Comment:  "",
+		}
+		if column.Nullable == "" {
+			column.Nullable = "YES"
+		}
+		if defaultVal := strings.TrimSpace(duckDBRowString(row, "column_default")); defaultVal != "" && defaultVal != "<nil>" {
+			def := defaultVal
+			column.Default = &def
+		}
+		columns = append(columns, column)
+	}
+	return columns, nil
+}
+
+func (d *DuckDB) GetAllColumns(dbName string) ([]connection.ColumnDefinitionWithTable, error) {
+	query := `
+SELECT table_schema, table_name, column_name, data_type
+FROM information_schema.columns
+WHERE table_schema NOT IN ('information_schema', 'pg_catalog')
+ORDER BY table_schema, table_name, ordinal_position`
+
+	data, _, err := d.Query(query)
+	if err != nil {
+		return nil, err
+	}
+
+	columns := make([]connection.ColumnDefinitionWithTable, 0, len(data))
+	for _, row := range data {
+		schema := strings.TrimSpace(duckDBRowString(row, "table_schema"))
+		tableName := strings.TrimSpace(duckDBRowString(row, "table_name"))
+		if tableName == "" {
+			continue
+		}
+		if schema != "" && !strings.EqualFold(schema, "main") {
+			tableName = schema + "." + tableName
+		}
+
+		columns = append(columns, connection.ColumnDefinitionWithTable{
+			TableName: tableName,
+			Name:      duckDBRowString(row, "column_name"),
+			Type:      duckDBRowString(row, "data_type"),
+		})
+	}
+	return columns, nil
+}
+
+func (d *DuckDB) GetIndexes(dbName, tableName string) ([]connection.IndexDefinition, error) {
+	return []connection.IndexDefinition{}, nil
+}
+
+func (d *DuckDB) GetForeignKeys(dbName, tableName string) ([]connection.ForeignKeyDefinition, error) {
+	return []connection.ForeignKeyDefinition{}, nil
+}
+
+func (d *DuckDB) GetTriggers(dbName, tableName string) ([]connection.TriggerDefinition, error) {
+	return []connection.TriggerDefinition{}, nil
+}
+
+func (d *DuckDB) ApplyChanges(tableName string, changes connection.ChangeSet) error {
+	if d.conn == nil {
+		return fmt.Errorf("connection not open")
+	}
+
+	tx, err := d.conn.Begin()
+	if err != nil {
+		return err
+	}
+	defer tx.Rollback()
+
+	quoteIdent := func(name string) string {
+		n := strings.TrimSpace(name)
+		n = strings.Trim(n, "\"")
+		n = strings.ReplaceAll(n, "\"", "\"\"")
+		if n == "" {
+			return "\"\""
+		}
+		return `"` + n + `"`
+	}
+
+	schema := ""
+	table := strings.TrimSpace(tableName)
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		schema = strings.TrimSpace(parts[0])
+		table = strings.TrimSpace(parts[1])
+	}
+
+	qualifiedTable := quoteIdent(table)
+	if schema != "" {
+		qualifiedTable = fmt.Sprintf("%s.%s", quoteIdent(schema), quoteIdent(table))
+	}
+
+	for _, pk := range changes.Deletes {
+		var wheres []string
+		var args []interface{}
+		for k, v := range pk {
+			wheres = append(wheres, fmt.Sprintf("%s = ?", quoteIdent(k)))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			continue
+		}
+		query := fmt.Sprintf("DELETE FROM %s WHERE %s", qualifiedTable, strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("delete error: %v", err)
+		}
+	}
+
+	for _, update := range changes.Updates {
+		var sets []string
+		var args []interface{}
+		for k, v := range update.Values {
+			sets = append(sets, fmt.Sprintf("%s = ?", quoteIdent(k)))
+			args = append(args, v)
+		}
+		if len(sets) == 0 {
+			continue
+		}
+
+		var wheres []string
+		for k, v := range update.Keys {
+			wheres = append(wheres, fmt.Sprintf("%s = ?", quoteIdent(k)))
+			args = append(args, v)
+		}
+		if len(wheres) == 0 {
+			return fmt.Errorf("update requires keys")
+		}
+
+		query := fmt.Sprintf("UPDATE %s SET %s WHERE %s", qualifiedTable, strings.Join(sets, ", "), strings.Join(wheres, " AND "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("update error: %v", err)
+		}
+	}
+
+	for _, row := range changes.Inserts {
+		var cols []string
+		var placeholders []string
+		var args []interface{}
+
+		for k, v := range row {
+			cols = append(cols, quoteIdent(k))
+			placeholders = append(placeholders, "?")
+			args = append(args, v)
+		}
+		if len(cols) == 0 {
+			continue
+		}
+
+		query := fmt.Sprintf("INSERT INTO %s (%s) VALUES (%s)", qualifiedTable, strings.Join(cols, ", "), strings.Join(placeholders, ", "))
+		if _, err := tx.Exec(query, args...); err != nil {
+			return fmt.Errorf("insert error: %v", err)
+		}
+	}
+
+	return tx.Commit()
+}
+
+func normalizeDuckDBSchemaAndTable(dbName string, tableName string) (string, string) {
+	schema := strings.TrimSpace(dbName)
+	table := strings.TrimSpace(tableName)
+	if table == "" {
+		if schema == "" {
+			schema = "main"
+		}
+		return schema, table
+	}
+
+	if parts := strings.SplitN(table, ".", 2); len(parts) == 2 {
+		left := strings.TrimSpace(parts[0])
+		right := strings.TrimSpace(parts[1])
+		if left != "" && right != "" {
+			return normalizeDuckDBIdentifier(left), normalizeDuckDBIdentifier(right)
+		}
+	}
+
+	if schema == "" {
+		schema = "main"
+	}
+	return normalizeDuckDBIdentifier(schema), normalizeDuckDBIdentifier(table)
+}
+
+func normalizeDuckDBIdentifier(raw string) string {
+	text := strings.TrimSpace(raw)
+	if len(text) >= 2 {
+		first := text[0]
+		last := text[len(text)-1]
+		if (first == '"' && last == '"') || (first == '`' && last == '`') {
+			text = strings.TrimSpace(text[1 : len(text)-1])
+		}
+	}
+	return text
+}
+
+func quoteDuckDBIdentifier(raw string) string {
+	text := normalizeDuckDBIdentifier(raw)
+	return `"` + strings.ReplaceAll(text, `"`, `""`) + `"`
+}
+
+func quoteDuckDBQualifiedTable(schema string, table string) string {
+	s := strings.TrimSpace(schema)
+	t := strings.TrimSpace(table)
+	if s == "" {
+		return quoteDuckDBIdentifier(t)
+	}
+	return quoteDuckDBIdentifier(s) + "." + quoteDuckDBIdentifier(t)
+}
+
+func duckDBRowString(row map[string]interface{}, keys ...string) string {
+	for _, key := range keys {
+		for rowKey, value := range row {
+			if !strings.EqualFold(rowKey, key) || value == nil {
+				continue
+			}
+			return fmt.Sprintf("%v", value)
+		}
+	}
+	return ""
+}
+
+func escapeDuckDBLiteral(raw string) string {
+	return strings.ReplaceAll(raw, "'", "''")
+}
--- a/internal/db/mysql_impl.go
+++ b/internal/db/mysql_impl.go
@@ -77,7 +77,8 @@ func applyMySQLURI(config connection.ConnectionConfig) connection.ConnectionConf
 	if uriText == "" {
 		return config
 	}
-	if !strings.HasPrefix(strings.ToLower(uriText), "mysql://") {
+	lowerURI := strings.ToLower(uriText)
+	if !strings.HasPrefix(lowerURI, "mysql://") {
 		return config
 	}

--- a/internal/sync/sql_helpers.go
+++ b/internal/sync/sql_helpers.go
@@ -22,7 +22,7 @@ func quoteIdentByType(dbType string, ident string) string {
 	}

 	switch dbType {
-	case "mysql", "mariadb", "sphinx":
+	case "mysql", "mariadb", "diros", "sphinx":
 		return "`" + strings.ReplaceAll(ident, "`", "``") + "`"
 	case "sqlserver":
 		escaped := strings.ReplaceAll(ident, "]", "]]")
@@ -100,7 +100,7 @@ func qualifiedNameForQuery(dbType string, schema string, table string, original
 			return raw
 		}
 		return s + "." + table
-	case "mysql", "mariadb", "sphinx":
+	case "mysql", "mariadb", "diros", "sphinx":
 		s := strings.TrimSpace(schema)
 		if s == "" || table == "" {
 			return table