feat: add Highgo (瀚高) database support

Add full support for Highgo database, a PostgreSQL-compatible Chinese
domestic database. Includes database type definition, connection dialog,
agent driver mapping, and database icon.

src/components/connection/ConnectionDialog.vue

@@ -161,6 +161,7 @@ const driverProfiles: Record<
   },
   gaussdb: { type: "gaussdb", port: 5432, user: "gaussdb", label: "GaussDB", icon: "gaussdb" },
   kingbase: { type: "kingbase", port: 54321, user: "system", label: "KingBase", icon: "kingbase" },
+  highgo: { type: "highgo", port: 5866, user: "highgo", label: "瀚高 HighGo", icon: "highgo" },
   vastbase: { type: "vastbase", port: 5432, user: "vastbase", label: "Vastbase", icon: "vastbase" },
   doris: { type: "mysql", port: 9030, user: "root", label: "Doris", icon: "doris", urlParams: "" },
   selectdb: {
@@ -338,6 +339,7 @@ function defaultDatabaseForProfile() {
   if (form.value.db_type === "redshift") return "dev";
   if (form.value.db_type === "gaussdb") return "postgres";
   if (selectedType.value === "cockroachdb") return "defaultdb";
+  if (form.value.db_type === "highgo") return "highgo";
   if (form.value.db_type === "postgres" || form.value.db_type === "kingbase" || form.value.db_type === "vastbase")
     return "postgres";
   if (form.value.db_type === "sqlserver") return "master";
@@ -370,6 +372,7 @@ const iconTypeMap: Record<string, string> = {
   opengauss: "opengauss",
   gaussdb: "gaussdb",
   kingbase: "kingbase",
+  highgo: "highgo",
   vastbase: "vastbase",
   doris: "doris",
   selectdb: "selectdb",
@@ -417,6 +420,7 @@ const dbOptions = [
   { value: "tdengine", label: "TDengine" },
   { value: "opengauss", label: "openGauss" },
   { value: "kingbase", label: "KingBase" },
+  { value: "highgo", label: "瀚高 HighGo" },
   { value: "vastbase", label: "Vastbase" },
   { value: "redshift", label: "Redshift" },
   { value: "cockroachdb", label: "CockroachDB" },
@@ -906,10 +910,15 @@ function openExternalUrl(url: string) {
 
                 <div class="grid grid-cols-4 items-center gap-4">
                   <Label class="text-right">{{ t("connection.type") }}</Label>
-                  <div class="col-span-3 flex items-center gap-2 rounded-md border bg-muted/20 px-3 py-2">
+                  <button
+                    type="button"
+                    class="col-span-3 flex items-center gap-2 rounded-md border bg-muted/20 px-3 py-2 hover:bg-muted/40 cursor-pointer transition"
+                    @click="backToDatabasePicker()"
+                  >
                     <DatabaseIcon :db-type="selectedDbIcon" class="h-4 w-4 shrink-0" />
-                    <span class="min-w-0 flex-1 truncate text-sm">{{ selectedProfile().label }}</span>
-                  </div>
+                    <span class="min-w-0 flex-1 truncate text-sm text-left">{{ selectedProfile().label }}</span>
+                    <Pencil class="h-3 w-3 text-muted-foreground" />
+                  </button>
                 </div>
 
                 <div v-if="isCustomCompatibleProfile()" class="grid grid-cols-4 items-center gap-4">
@@ -1195,6 +1204,7 @@ function openExternalUrl(url: string) {
                       form.db_type === 'redshift' ||
                       form.db_type === 'informix' ||
                       form.db_type === 'kingbase' ||
+                      form.db_type === 'highgo' ||
                       form.db_type === 'vastbase' ||
                       form.db_type === 'goldendb'
                     "

src/components/icons/DatabaseIcon.vue

@@ -52,6 +52,7 @@ const assetIcons: Record<string, string> = {
 const letterIcons: Record<string, { letter: string; color: string }> = {
   goldendb: { letter: "G", color: "#F59E0B" },
   vastbase: { letter: "V", color: "#6D28D9" },
+  highgo: { letter: "瀚", color: "#005bac" },
 };
 
 const normalizedType = computed(() => props.dbType.toLowerCase().replace(/[\s-]+/g, "_"));

src/lib/databaseCapabilitySets.ts

@@ -8,6 +8,7 @@ export const SCHEMA_AWARE_TYPES = new Set<DatabaseType>([
   "dameng",
   "gaussdb",
   "kingbase",
+  "highgo",
   "vastbase",
   "jdbc",
   "h2",
@@ -28,6 +29,7 @@ export const DIAGRAM_SUPPORTED_TYPES = new Set<DatabaseType>([
   "dameng",
   "gaussdb",
   "kingbase",
+  "highgo",
   "vastbase",
   "goldendb",
   "h2",
@@ -46,6 +48,7 @@ export const DATABASE_SEARCH_SUPPORTED_TYPES = new Set<DatabaseType>([
   "dameng",
   "gaussdb",
   "kingbase",
+  "highgo",
   "vastbase",
   "goldendb",
   "h2",
@@ -75,6 +78,7 @@ export const TABLE_IMPORT_SUPPORTED_TYPES = new Set<DatabaseType>([
   "dameng",
   "gaussdb",
   "kingbase",
+  "highgo",
   "vastbase",
   "goldendb",
 ]);
@@ -115,6 +119,7 @@ export const TREE_SCHEMA_TYPES = new Set<DatabaseType>([
   "sqlserver",
   "gaussdb",
   "kingbase",
+  "highgo",
   "vastbase",
   "jdbc",
   "trino",
@@ -126,6 +131,7 @@ export const PG_LIKE_STRUCTURE_TYPES = new Set<DatabaseType>(["postgres", "redsh
 export const AGENT_DRIVER_TYPES = new Set<DatabaseType>([
   "dameng",
   "kingbase",
+  "highgo",
   "vastbase",
   "goldendb",
   "oracle",

src/stores/connectionStore.ts

@@ -23,6 +23,7 @@ import { isTauriRuntime } from "@/lib/tauriRuntime";
 import { isSchemaAware, usesTreeSchemaMode } from "@/lib/databaseCapabilities";
 import { buildDatabaseTreeNodes } from "@/lib/databaseTree";
 import { buildSqlServerDatabaseTreeNodes, SQLSERVER_DEFAULT_SCHEMA } from "@/lib/sqlServerTree";
+import { shouldMarkDisconnected } from "@/lib/connectionHealth";
 import {
   buildGroupedObjectTreeNodes,
   buildTableTreeNodes,
@@ -153,6 +154,14 @@ export const useConnectionStore = defineStore("connection", () => {
     return message;
   }
 
+  function recordMetadataLoadError(connectionId: string, error: unknown) {
+    if (shouldMarkDisconnected(error)) {
+      connectedIds.value.delete(connectionId);
+      if (activeConnectionId.value === connectionId) activeConnectionId.value = null;
+    }
+    recordConnectionError(connectionId, error);
+  }
+
   function normalizeConnection(config: ConnectionConfig): ConnectionConfig {
     const labelMap: Record<string, string> = {
       mysql: "MySQL",
@@ -171,6 +180,7 @@ export const useConnectionStore = defineStore("connection", () => {
       dameng: "DM (Dameng)",
       gaussdb: "GaussDB",
       kingbase: "KingBase",
+      highgo: "瀚高 HighGo",
       vastbase: "Vastbase",
       goldendb: "GoldenDB",
       h2: "H2",
@@ -194,6 +204,8 @@ export const useConnectionStore = defineStore("connection", () => {
       dbType = "redshift" as ConnectionConfig["db_type"];
     } else if (profile === "kingbase" && dbType === "postgres") {
       dbType = "kingbase" as ConnectionConfig["db_type"];
+    } else if (profile === "highgo" && dbType === "postgres") {
+      dbType = "highgo" as ConnectionConfig["db_type"];
     } else if (profile === "vastbase" && dbType === "postgres") {
       dbType = "vastbase" as ConnectionConfig["db_type"];
     } else if (profile === "goldendb" && dbType === "mysql") {
@@ -588,6 +600,9 @@ export const useConnectionStore = defineStore("connection", () => {
         await savePersistedTreeChildren(cacheKey, children);
       }
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -620,6 +635,9 @@ export const useConnectionStore = defineStore("connection", () => {
         ),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -665,6 +683,9 @@ export const useConnectionStore = defineStore("connection", () => {
         ),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -690,6 +711,9 @@ export const useConnectionStore = defineStore("connection", () => {
         })),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -720,6 +744,9 @@ export const useConnectionStore = defineStore("connection", () => {
       setChildren(node, children);
       await savePersistedTreeChildren(cacheKey, children);
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -744,6 +771,9 @@ export const useConnectionStore = defineStore("connection", () => {
       setChildren(node, children);
       await savePersistedTreeChildren(cacheKey, children);
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -774,6 +804,9 @@ export const useConnectionStore = defineStore("connection", () => {
       setChildren(node, children);
       await savePersistedTreeChildren(cacheKey, children);
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -865,6 +898,9 @@ export const useConnectionStore = defineStore("connection", () => {
         })),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -894,6 +930,9 @@ export const useConnectionStore = defineStore("connection", () => {
         })),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -923,6 +962,9 @@ export const useConnectionStore = defineStore("connection", () => {
         })),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }
@@ -952,6 +994,9 @@ export const useConnectionStore = defineStore("connection", () => {
         })),
       );
       node.isExpanded = true;
+    } catch (e) {
+      recordMetadataLoadError(connectionId, e);
+      throw e;
     } finally {
       node.isLoading = false;
     }

src/types/database.ts

@@ -15,6 +15,7 @@ export type DatabaseType =
   | "dameng"
   | "gaussdb"
   | "kingbase"
+  | "highgo"
   | "vastbase"
   | "goldendb"
   | "h2"