feat(dameng): support dm6 connections via custom jdbc drivers

apps/desktop/src/components/connection/ConnectionDialog.vue

@@ -50,6 +50,7 @@ import { mongodbAuthFailureHint, mongoConnectionUsesOidc, mongoUrlParam, mongoUr
 import { isMongoLegacyDriverProfile } from "@/lib/mongo/mongoCapabilities";
 import { mysqlCleartextPasswordAuthEnabled, setMysqlCleartextPasswordAuthEnabled } from "@/lib/database/mysqlConnectionOptions";
 import { applyDamengSslUrlParams, damengSslFormConfig } from "@/lib/database/damengSslOptions";
+import { DAMENG_BUILTIN_DRIVER_PROFILE, DAMENG_CUSTOM_DRIVER_PROFILE, DAMENG_DEFAULT_JDBC_DRIVER_CLASS, damengCustomJdbcUrl, damengDriverModeForConfig, defaultDamengJdbcUrl, type DamengDriverMode } from "@/lib/database/damengDriverOptions";
 import { doltSystemTablesVisible, isDoltDriverProfile, setDoltSystemTablesVisible } from "@/lib/database/doltProfile";
 import { DamengJvmSystemPropertyError, damengJvmSystemPropertiesText, parseDamengJvmSystemProperties } from "@/lib/database/damengJvmOptions";
 import { copyToClipboard } from "@/lib/common/clipboard";
@@ -2315,6 +2316,13 @@ function applyProfile(val: string, preserveConnectionFields = false) {
       form.value.port = 0;
       form.value.connection_string = undefined;
     }
+    if (profile.type === "dameng") {
+      form.value.connection_string = undefined;
+      form.value.jdbc_driver_class = undefined;
+      form.value.jdbc_driver_paths = [];
+      jdbcDriverPathsInput.value = "";
+      jdbcManualClasspathOpen.value = false;
+    }
     if (profile.type === "jdbc") {
       form.value.host = "";
       form.value.connection_string = "";
@@ -2752,6 +2760,29 @@ function switchH2DriverProfile(profile: "h2" | "h2-v1" | "h2-v2" | "h2-v3" | "h2
   resetTestState();
 }
 
+const damengDriverMode = computed(() => damengDriverModeForConfig(form.value));
+const isDamengCustomDriver = computed(() => form.value.db_type === "dameng" && damengDriverMode.value === "custom");
+
+function setDamengDriverMode(mode: DamengDriverMode) {
+  if (mode === "builtin") {
+    form.value.driver_profile = DAMENG_BUILTIN_DRIVER_PROFILE;
+    form.value.connection_string = undefined;
+    form.value.jdbc_driver_class = undefined;
+    form.value.jdbc_driver_paths = [];
+    jdbcDriverPathsInput.value = "";
+    selectedJdbcDriverPath.value = "";
+    jdbcManualClasspathOpen.value = false;
+  } else {
+    form.value.driver_profile = DAMENG_CUSTOM_DRIVER_PROFILE;
+    // Do not materialize connection_string here: submit regenerates it from
+    // the live form, and freezing the URL at switch time would keep the
+    // connection on the old host/port after later edits.
+    form.value.jdbc_driver_class = form.value.jdbc_driver_class?.trim() || DAMENG_DEFAULT_JDBC_DRIVER_CLASS;
+    jdbcManualClasspathOpen.value = true;
+  }
+  resetTestState();
+}
+
 function isH2FileJdbcUrlLikePath(value: string): boolean {
   return /\.(mv|h2)\.db$/i.test(value.trim()) || value.includes("/") || value.includes("\\");
 }
@@ -2856,7 +2887,7 @@ function dbCategoryForOption(value: string): DbCategoryKey | undefined {
 
 const selectedDbIcon = computed(() => iconTypeMap[selectedType.value] || selectedProfile().icon || selectedType.value);
 function supportsNativeAgentJdbcDriverConfigType(dbType: DatabaseType): boolean {
-  return dbType === "prestosql" || dbType === "bigquery";
+  return dbType === "prestosql" || dbType === "bigquery" || dbType === "dameng";
 }
 
 const jdbcBackedDatabaseTypes = new Set<DatabaseType>(["jdbc", "prestosql", "bigquery"]);
@@ -2871,7 +2902,7 @@ const jdbcxHighPrivilegeExtensionsAllowed = computed({
     resetTestState();
   },
 });
-const supportsNativeAgentJdbcDriverConfig = computed(() => supportsNativeAgentJdbcDriverConfigType(form.value.db_type));
+const supportsNativeAgentJdbcDriverConfig = computed(() => supportsNativeAgentJdbcDriverConfigType(form.value.db_type) && (form.value.db_type !== "dameng" || isDamengCustomDriver.value));
 const isH2FileMode = computed(() => form.value.db_type === "h2" && h2ConnectionMode.value === "file");
 const isH2CustomDriver = computed(() => form.value.db_type === "h2" && form.value.driver_profile === "h2-custom");
 const usesLocalFilePathInput = computed(() => isLocalFileTypeDb(form.value.db_type) && (form.value.db_type !== "h2" || isH2FileMode.value));
@@ -3941,6 +3972,22 @@ function connectionConfigForSubmit(id: string, generatedName = ""): ConnectionCo
   } else {
     config.ca_cert_path = config.ca_cert_path?.trim() || "";
   }
+  if (config.db_type === "dameng") {
+    if (damengDriverModeForConfig(config) === "custom") {
+      config.driver_profile = DAMENG_CUSTOM_DRIVER_PROFILE;
+      config.connection_string = damengCustomJdbcUrl(config);
+      config.jdbc_driver_class = config.jdbc_driver_class?.trim() || DAMENG_DEFAULT_JDBC_DRIVER_CLASS;
+      config.jdbc_driver_paths = parsedJdbcDriverPaths();
+      if (config.jdbc_driver_paths.length === 0) {
+        throw new Error(t("connection.damengCustomDriverRequired"));
+      }
+    } else {
+      config.driver_profile = DAMENG_BUILTIN_DRIVER_PROFILE;
+      config.connection_string = undefined;
+      config.jdbc_driver_class = undefined;
+      config.jdbc_driver_paths = [];
+    }
+  }
   if (jdbcBackedDatabaseTypes.has(config.db_type) || gaussdbConnectionMode(config) === "m-jdbc") {
     if (config.db_type === "jdbc") {
       if (config.driver_profile === "dremio") {
@@ -7131,6 +7178,26 @@ function openExternalUrl(url: string) {
                     </div>
                   </div>
 
+                  <div v-if="form.db_type === 'dameng'" class="grid grid-cols-4 items-center gap-4">
+                    <Label :class="connectionLabelSmallClass">{{ t("connection.driverMode") }}</Label>
+                    <div class="col-span-3 flex items-center gap-2">
+                      <Button size="sm" :variant="damengDriverMode === 'builtin' ? 'default' : 'outline'" @click="setDamengDriverMode('builtin')">
+                        {{ t("connection.damengBuiltinDriver") }}
+                      </Button>
+                      <Button size="sm" :variant="damengDriverMode === 'custom' ? 'default' : 'outline'" @click="setDamengDriverMode('custom')">
+                        {{ t("connection.damengCustomDriver") }}
+                      </Button>
+                      <Tooltip>
+                        <TooltipTrigger as-child>
+                          <CircleHelp class="h-3.5 w-3.5 cursor-help text-muted-foreground hover:text-foreground" />
+                        </TooltipTrigger>
+                        <TooltipContent side="top" align="center" class="max-w-[320px] text-xs leading-relaxed">
+                          {{ t("connection.damengDriverModeHint") }}
+                        </TooltipContent>
+                      </Tooltip>
+                    </div>
+                  </div>
+
                   <!-- GaussDB: multi-host dynamic list -->
                   <template v-if="form.db_type === 'gaussdb'">
                     <div class="grid grid-cols-4 items-start gap-4">
@@ -7160,6 +7227,11 @@ function openExternalUrl(url: string) {
                     <Input v-model.number="form.port" type="number" class="col-span-1" @input="markSqlServerPortExplicit" />
                   </div>
 
+                  <div v-if="isDamengCustomDriver" class="grid grid-cols-4 items-center gap-4">
+                    <Label :class="connectionLabelClass">{{ t("connection.jdbcUrl") }}</Label>
+                    <Input v-model="form.connection_string" class="col-span-3" :placeholder="defaultDamengJdbcUrl(form)" />
+                  </div>
+
                   <div v-if="form.db_type === 'elasticsearch' && elasticsearchConnectionMode === 'kibana'" class="grid grid-cols-4 items-center gap-4">
                     <Label :class="connectionLabelSmallClass">{{ t("connection.elasticsearchKibanaBasePath") }}</Label>
                     <Input v-model="elasticsearchKibanaBasePath" class="col-span-3" placeholder="/kibana/s/default" @input="resetTestState" />
@@ -7469,14 +7541,14 @@ function openExternalUrl(url: string) {
                       <span />
                       <div class="col-span-3 space-y-2">
                         <p class="text-xs text-muted-foreground">
-                          {{ t("connection.jdbcPluginHint") }}
+                          {{ form.db_type === "dameng" ? t("connection.damengCustomDriverHint") : t("connection.jdbcPluginHint") }}
                         </p>
                         <div class="flex flex-wrap gap-2">
                           <Button type="button" variant="outline" size="sm" @click="emit('openDriverStore', { target: 'tab', tab: 'jdbc' })">
                             <FolderOpen class="h-3.5 w-3.5" />
                             {{ t("toolbar.driverManager") }}
                           </Button>
-                          <Button type="button" variant="outline" size="sm" @click="openExternalUrl('https://dbxio.com')">
+                          <Button v-if="form.db_type !== 'dameng'" type="button" variant="outline" size="sm" @click="openExternalUrl('https://dbxio.com')">
                             <ExternalLink class="h-3.5 w-3.5" />
                             {{ t("connection.jdbcDocs") }}
                           </Button>

apps/desktop/src/i18n/locales/en.ts

@@ -560,6 +560,11 @@ export default {
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "One -Dkey or -Dkey=value per line. Values with spaces do not need shell quotes.",
     damengJvmOptionsInvalid: "Line {line} must be a -Dkey or -Dkey=value system property without shell quotes.",
+    damengBuiltinDriver: "Bundled DM8",
+    damengCustomDriver: "DM6 / Custom JAR",
+    damengDriverModeHint: "Use the bundled driver for DM8. For DM6 or another compatible version, select its official JDBC JAR.",
+    damengCustomDriverHint: "Select a Dameng JDBC JAR from a licensed source. The custom driver is isolated inside the Dameng agent and does not require the generic JDBC plugin.",
+    damengCustomDriverRequired: "Select a Dameng JDBC driver JAR.",
     redisTlsInsecure: "Skip certificate verification",
     redisTlsInsecureHint: "Equivalent to redis-cli --tls --insecure, for self-signed certificates or private CAs.",
     mysqlTlsMode: "TLS Mode",

apps/desktop/src/i18n/locales/es.ts

@@ -1142,6 +1142,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "Una propiedad -Dkey o -Dkey=value por línea. Los valores con espacios no necesitan comillas del shell.",
     damengJvmOptionsInvalid: "La línea {line} debe ser una propiedad -Dkey o -Dkey=value sin comillas del shell.",
+    damengBuiltinDriver: "DM8 incluido",
+    damengCustomDriver: "DM6 / JAR personalizado",
+    damengDriverModeHint: "Use el controlador incluido para DM8. Para DM6 u otra versión compatible, seleccione su JAR JDBC oficial.",
+    damengCustomDriverHint: "Seleccione un JAR JDBC de Dameng de una fuente con licencia. El controlador se carga de forma aislada en el agente de Dameng y no requiere el complemento JDBC genérico.",
+    damengCustomDriverRequired: "Seleccione un JAR del controlador JDBC de Dameng.",
     zookeeperClusterInputHint: "El clúster ZooKeeper puede completarse con todos los nodos en la URL superior (por ejemplo, zookeeper://zk-1:2181,zk-2:2181/app), o en el Connect String a continuación.",
     zookeeperAuthMethod: "Método de autenticación",
     zookeeperAuthDigest: "Digest (predeterminado)",

apps/desktop/src/i18n/locales/it.ts

@@ -1140,6 +1140,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "Una proprietà -Dkey o -Dkey=value per riga. I valori con spazi non richiedono virgolette della shell.",
     damengJvmOptionsInvalid: "La riga {line} deve essere una proprietà -Dkey o -Dkey=value senza virgolette della shell.",
+    damengBuiltinDriver: "DM8 integrato",
+    damengCustomDriver: "DM6 / JAR personalizzato",
+    damengDriverModeHint: "Usa il driver integrato per DM8. Per DM6 o un'altra versione compatibile, seleziona il relativo JAR JDBC ufficiale.",
+    damengCustomDriverHint: "Seleziona un JAR JDBC Dameng da una fonte autorizzata. Il driver viene caricato in modo isolato nell'agente Dameng e non richiede il plugin JDBC generico.",
+    damengCustomDriverRequired: "Seleziona un JAR del driver JDBC Dameng.",
     zookeeperClusterInputHint: "Il cluster ZooKeeper può essere specificato inserendo tutti i nodi nell'URL superiore (ad esempio zookeeper://zk-1:2181,zk-2:2181/app), oppure nella stringa di connessione sottostante.",
     zookeeperAuthMethod: "Metodo di autenticazione",
     zookeeperAuthDigest: "Digest (predefinito)",

apps/desktop/src/i18n/locales/ja.ts

@@ -1140,6 +1140,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "1 行に 1 つの -Dkey または -Dkey=value を入力します。空白を含む値にもシェル引用符は不要です。",
     damengJvmOptionsInvalid: "{line} 行目は、シェル引用符を使わない -Dkey または -Dkey=value 形式で入力してください。",
+    damengBuiltinDriver: "内蔵 DM8",
+    damengCustomDriver: "DM6 / カスタム JAR",
+    damengDriverModeHint: "DM8 では内蔵ドライバーを使用します。DM6 またはその他の互換バージョンでは、対応する公式 JDBC JAR を選択してください。",
+    damengCustomDriverHint: "正規の提供元から入手した Dameng JDBC JAR を選択してください。カスタムドライバーは Dameng エージェント内で分離して読み込まれ、汎用 JDBC プラグインは不要です。",
+    damengCustomDriverRequired: "Dameng JDBC ドライバー JAR を選択してください。",
     localInfilePathHint: "LOAD DATA LOCAL INFILE を使用する場合、localInfilePath=/絶対パス/file.csv で各ファイルを明示的に許可してください。複数のファイルがある場合はこのパラメータを繰り返します。",
     hiveAuthMode: "認証",
     hiveAuthNone: "なし",

apps/desktop/src/i18n/locales/ko.ts

@@ -554,6 +554,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "한 줄에 하나의 -Dkey 또는 -Dkey=value. 공백이 있는 값에는 셸 인용 부호가 필요하지 않습니다.",
     damengJvmOptionsInvalid: "{line}번째 줄은 셸 인용 부호 없는 -Dkey 또는 -Dkey=value 시스템 속성이어야 합니다.",
+    damengBuiltinDriver: "내장 DM8",
+    damengCustomDriver: "DM6 / 사용자 지정 JAR",
+    damengDriverModeHint: "DM8은 내장 드라이버를 사용합니다. DM6 또는 다른 호환 버전은 해당 공식 JDBC JAR을 선택하세요.",
+    damengCustomDriverHint: "정식 출처의 Dameng JDBC JAR을 선택하세요. 사용자 지정 드라이버는 Dameng 에이전트에서 격리되어 로드되며 일반 JDBC 플러그인이 필요하지 않습니다.",
+    damengCustomDriverRequired: "Dameng JDBC 드라이버 JAR을 선택하세요.",
     redisTlsInsecure: "인증서 검증 건너뛰기",
     redisTlsInsecureHint: "redis-cli --tls --insecure과 동일하며, 자체 서명 인증서나 사설 CA용입니다.",
     mysqlTlsMode: "TLS 모드",

apps/desktop/src/i18n/locales/pt-BR.ts

@@ -1141,6 +1141,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "Uma propriedade -Dkey ou -Dkey=value por linha. Valores com espaços não precisam de aspas do shell.",
     damengJvmOptionsInvalid: "A linha {line} deve ser uma propriedade -Dkey ou -Dkey=value sem aspas do shell.",
+    damengBuiltinDriver: "DM8 integrado",
+    damengCustomDriver: "DM6 / JAR personalizado",
+    damengDriverModeHint: "Use o driver integrado para DM8. Para DM6 ou outra versão compatível, selecione o JAR JDBC oficial correspondente.",
+    damengCustomDriverHint: "Selecione um JAR JDBC do Dameng de uma fonte licenciada. O driver é carregado de forma isolada no agente Dameng e não requer o plugin JDBC genérico.",
+    damengCustomDriverRequired: "Selecione um JAR do driver JDBC do Dameng.",
     zookeeperClusterInputHint: "O cluster ZooKeeper pode ser preenchido com todos os nós na URL acima (por exemplo, zookeeper://zk-1:2181,zk-2:2181/app), ou também na Connect String abaixo.",
     zookeeperAuthMethod: "Método de autenticação",
     zookeeperAuthDigest: "Digest (padrão)",

apps/desktop/src/i18n/locales/zh-CN.ts

@@ -485,6 +485,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "每行一个 -Dkey 或 -Dkey=value；值包含空格时也不要使用 shell 引号。",
     damengJvmOptionsInvalid: "第 {line} 行必须是未使用 shell 引号的 -Dkey 或 -Dkey=value 系统属性。",
+    damengBuiltinDriver: "内置 DM8",
+    damengCustomDriver: "DM6 / 自定义 JAR",
+    damengDriverModeHint: "DM8 使用内置驱动；DM6 或其他兼容版本请选择对应的官方 JDBC JAR。",
+    damengCustomDriverHint: "请选择合法来源的达梦 JDBC JAR。自定义驱动在达梦 Agent 内隔离加载，无需安装通用 JDBC 插件。",
+    damengCustomDriverRequired: "请选择达梦 JDBC 驱动 JAR。",
     redisTlsInsecure: "跳过证书验证",
     redisTlsInsecureHint: "等价于 redis-cli --tls --insecure，适用于自签名证书或私有 CA。",
     mysqlTlsMode: "TLS 模式",

apps/desktop/src/i18n/locales/zh-TW.ts

@@ -1142,6 +1142,11 @@ export default withEnglishFallback({
     damengJvmOptionsPlaceholder: "-Djava.net.preferIPv4Stack=true",
     damengJvmOptionsHint: "每行一個 -Dkey 或 -Dkey=value；值包含空格時也不要使用 shell 引號。",
     damengJvmOptionsInvalid: "第 {line} 行必須是未使用 shell 引號的 -Dkey 或 -Dkey=value 系統屬性。",
+    damengBuiltinDriver: "內建 DM8",
+    damengCustomDriver: "DM6 / 自訂 JAR",
+    damengDriverModeHint: "DM8 使用內建驅動；DM6 或其他相容版本請選擇對應的官方 JDBC JAR。",
+    damengCustomDriverHint: "請選擇合法來源的達夢 JDBC JAR。自訂驅動會在達夢 Agent 內隔離載入，不需要安裝通用 JDBC 外掛。",
+    damengCustomDriverRequired: "請選擇達夢 JDBC 驅動 JAR。",
     zookeeperClusterInputHint: "ZooKeeper 叢集可在上方 URL 中填寫全部節點（例如 zookeeper://zk-1:2181,zk-2:2181/app），也可在下方 Connect String 中填寫。",
     zookeeperAuthMethod: "認證方式",
     zookeeperAuthDigest: "Digest（預設）",

apps/desktop/src/lib/__tests__/connection/bigqueryConnectionDialog.spec.ts

@@ -10,7 +10,7 @@ describe("BigQuery connection dialog", () => {
 
     expect(nativeAgentDriverSupport).toContain('dbType === "bigquery"');
     expect(jdbcBackedDatabaseTypes).toContain('"bigquery"');
-    expect(dialogSource).toContain("const supportsNativeAgentJdbcDriverConfig = computed(() => supportsNativeAgentJdbcDriverConfigType(form.value.db_type));");
+    expect(dialogSource).toContain("const supportsNativeAgentJdbcDriverConfig = computed(() => supportsNativeAgentJdbcDriverConfigType(form.value.db_type)");
     expect(dialogSource).toContain('<template v-if="supportsNativeAgentJdbcDriverConfig">');
     expect(dialogSource).toContain('if (profile.type === "bigquery") {');
     expect(dialogSource).toContain("jdbcManualClasspathOpen.value = true;");

apps/desktop/src/lib/__tests__/database/damengDriverOptions.spec.ts

@@ -0,0 +1,23 @@
+import { describe, expect, it } from "vitest";
+import { DAMENG_CUSTOM_DRIVER_PROFILE, DAMENG_DEFAULT_JDBC_DRIVER_CLASS, damengCustomJdbcUrl, damengDriverModeForConfig, defaultDamengJdbcUrl } from "@/lib/database/damengDriverOptions";
+
+describe("dameng driver options", () => {
+  it("keeps existing connections on the built-in driver", () => {
+    expect(damengDriverModeForConfig({ driver_profile: "dm", jdbc_driver_paths: [] })).toBe("builtin");
+  });
+
+  it("recognizes custom DM6 profiles and legacy configs with an external JAR", () => {
+    expect(damengDriverModeForConfig({ driver_profile: DAMENG_CUSTOM_DRIVER_PROFILE })).toBe("custom");
+    expect(damengDriverModeForConfig({ driver_profile: "dm", jdbc_driver_paths: [" /drivers/DmJdbcDriver6.jar "] })).toBe("custom");
+  });
+
+  it("builds DM6 driver defaults from host, port, and optional database", () => {
+    expect(DAMENG_DEFAULT_JDBC_DRIVER_CLASS).toBe("dm6.jdbc.driver.DmDriver");
+    expect(defaultDamengJdbcUrl({ host: "dm6.internal", port: 5237, database: "MAIN" })).toBe("jdbc:dm6://dm6.internal:5237/MAIN");
+    expect(defaultDamengJdbcUrl({ host: "", port: 0, database: "" })).toBe("jdbc:dm6://127.0.0.1:5236");
+  });
+
+  it("preserves a complete custom JDBC URL", () => {
+    expect(damengCustomJdbcUrl({ host: "ignored", port: 5236, connection_string: " jdbc:dm6://dm6.internal:5236?foo=bar " })).toBe("jdbc:dm6://dm6.internal:5236?foo=bar");
+  });
+});

apps/desktop/src/lib/database/damengDriverOptions.ts

@@ -0,0 +1,27 @@
+import type { ConnectionConfig } from "@/types/database";
+
+export const DAMENG_BUILTIN_DRIVER_PROFILE = "dm";
+export const DAMENG_CUSTOM_DRIVER_PROFILE = "dm6-custom";
+export const DAMENG_DEFAULT_JDBC_DRIVER_CLASS = "dm6.jdbc.driver.DmDriver";
+
+export type DamengDriverMode = "builtin" | "custom";
+
+type DamengDriverConfig = Partial<Pick<ConnectionConfig, "driver_profile" | "host" | "port" | "database" | "connection_string" | "jdbc_driver_paths">>;
+
+export function damengDriverModeForConfig(config: DamengDriverConfig): DamengDriverMode {
+  if (config.driver_profile === DAMENG_CUSTOM_DRIVER_PROFILE || config.jdbc_driver_paths?.some((path) => path.trim())) {
+    return "custom";
+  }
+  return "builtin";
+}
+
+export function defaultDamengJdbcUrl(config: Pick<DamengDriverConfig, "host" | "port" | "database">): string {
+  const host = config.host?.trim() || "127.0.0.1";
+  const port = Number(config.port) > 0 ? Number(config.port) : 5236;
+  const database = config.database?.trim();
+  return `jdbc:dm6://${host}:${port}${database ? `/${database}` : ""}`;
+}
+
+export function damengCustomJdbcUrl(config: DamengDriverConfig): string {
+  return config.connection_string?.trim() || defaultDamengJdbcUrl(config);
+}