fix(xugu): exclude synthetic scopes from schema export

apps/desktop/src/lib/export/__tests__/databaseExport.spec.ts

@@ -0,0 +1,37 @@
+import { describe, expect, it } from "vitest";
+import { buildAllDatabaseExportPlan, filterExportableSchemas } from "@/lib/export/databaseExport";
+import { XUGU_PUBLIC_SYNONYM_SCOPE, XUGU_SCHEDULER_JOB_SCOPE } from "@/lib/sidebar/xuguPublicSynonyms";
+
+describe("database export schema selection", () => {
+  it("hides Xugu synthetic tree scopes while preserving real schemas", () => {
+    const schemas = ["APP_TEST", "GUEST", XUGU_PUBLIC_SYNONYM_SCOPE, XUGU_SCHEDULER_JOB_SCOPE];
+
+    expect(filterExportableSchemas(schemas, "xugu")).toEqual(["APP_TEST", "GUEST"]);
+  });
+
+  it("does not apply Xugu filtering to other database types", () => {
+    const schemas = ["APP_TEST", XUGU_PUBLIC_SYNONYM_SCOPE, XUGU_SCHEDULER_JOB_SCOPE];
+
+    expect(filterExportableSchemas(schemas, "postgres")).toEqual(schemas);
+  });
+
+  it("excludes synthetic scopes from an all-database Xugu export plan", () => {
+    expect(
+      buildAllDatabaseExportPlan({
+        databases: ["SHOP_DEMO"],
+        schemaAware: true,
+        dbType: "xugu",
+        schemasByDatabase: {
+          SHOP_DEMO: ["APP_TEST", XUGU_PUBLIC_SYNONYM_SCOPE, XUGU_SCHEDULER_JOB_SCOPE],
+        },
+      }),
+    ).toEqual([
+      {
+        database: "SHOP_DEMO",
+        schema: "APP_TEST",
+        fileStem: "SHOP_DEMO",
+        displayName: "SHOP_DEMO",
+      },
+    ]);
+  });
+});

apps/desktop/src/lib/export/databaseExport.ts

@@ -3,6 +3,7 @@ import * as api from "@/lib/backend/api.ts";
 import { buildTableSelectSql } from "@/lib/table/tableSelectSql.ts";
 import { uuid } from "@/lib/common/utils.ts";
 import { SINGLE_DATABASE_TYPES } from "@/lib/database/databaseCapabilitySets";
+import { isXuguSyntheticScope } from "@/lib/sidebar/xuguPublicSynonyms";
 
 export const DATABASE_EXPORT_ROW_LIMIT = 10_000;
 export const DATABASE_EXPORT_PAGE_SIZE = 500;
@@ -76,6 +77,19 @@ export interface AllDatabaseExportPlanItem {
   displayName: string;
 }
 
+/**
+ * Return schemas that can be exported as ordinary schema-owned objects.
+ *
+ * Xugu exposes database-global namespaces (public synonyms and scheduler jobs)
+ * through reserved synthetic schema names so the sidebar can reuse its normal
+ * tree loading path. They are not real schemas and must not be offered by the
+ * schema export selector.
+ */
+export function filterExportableSchemas(schemas: readonly string[], databaseType?: DatabaseType): string[] {
+  if (databaseType !== "xugu") return [...schemas];
+  return schemas.filter((schema) => !isXuguSyntheticScope(schema));
+}
+
 export interface DatabaseBackupSnapshotOptions {
   connectionId: string;
   database: string;
@@ -153,7 +167,7 @@ export function buildAllDatabaseExportPlan(options: AllDatabaseExportPlanInput):
     }));
   }
   return options.databases.flatMap((database) => {
-    const schemas = options.schemaAware ? (options.schemasByDatabase?.[database] ?? []).filter((schema) => schema.trim()) : [database];
+    const schemas = options.schemaAware ? filterExportableSchemas(options.schemasByDatabase?.[database] ?? [], options.dbType).filter((schema) => schema.trim()) : [database];
     const exportSchemas = schemas.length > 0 ? schemas : [database];
     const includeSchemaInFileName = options.schemaAware && exportSchemas.length > 1;