fix(structure): respect identifier quote preference

apps/desktop/src/components/structure/TableStructureEditor.charsetCollation.spec.ts

@@ -211,7 +211,7 @@ vi.mock("@/stores/queryStore", () => ({ useQueryStore: () => ({ tableStructureRe
 vi.mock("@/stores/historyStore", () => ({ useHistoryStore: () => ({ add: vi.fn() }) }));
 vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
-    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [] },
+    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], generateSqlQuoteIdentifiers: true },
     updateEditorSettings: mocks.updateEditorSettings,
   }),
 }));

apps/desktop/src/components/structure/TableStructureEditor.primaryKey.spec.ts

@@ -14,6 +14,7 @@ const mocks = vi.hoisted(() => ({
   executeQuery: vi.fn(),
   listDataTypes: vi.fn(),
   buildTableStructureChangeSql: vi.fn(),
+  previewSqliteTableStructureChange: vi.fn(),
   buildMysqlAutoIncrementSql: vi.fn(),
   updateEditorSettings: vi.fn(),
   loadObjectDdl: vi.fn(),
@@ -24,6 +25,12 @@ const mocks = vi.hoisted(() => ({
   getTablePartitionStatus: vi.fn(),
   getTableOwner: vi.fn(),
   buildTableOwnerChangeSql: vi.fn(),
+  editorSettings: {
+    structureEditorDensity: "compact",
+    sqlFormatter: {},
+    tableColumnTemplateFields: [],
+    generateSqlQuoteIdentifiers: true,
+  },
   toast: vi.fn(),
 }));
 
@@ -212,7 +219,7 @@ vi.mock("@/stores/queryStore", () => ({ useQueryStore: () => ({ tableStructureRe
 vi.mock("@/stores/historyStore", () => ({ useHistoryStore: () => ({ add: vi.fn() }) }));
 vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
-    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [] },
+    editorSettings: mocks.editorSettings,
     updateEditorSettings: mocks.updateEditorSettings,
   }),
 }));
@@ -229,6 +236,7 @@ vi.mock("@/lib/backend/api", () => ({
   executeQuery: mocks.executeQuery,
   listDataTypes: mocks.listDataTypes,
   buildTableStructureChangeSql: mocks.buildTableStructureChangeSql,
+  previewSqliteTableStructureChange: mocks.previewSqliteTableStructureChange,
   buildMysqlAutoIncrementSql: mocks.buildMysqlAutoIncrementSql,
   buildTableOwnerChangeSql: mocks.buildTableOwnerChangeSql,
   getTablePartitionStatus: mocks.getTablePartitionStatus,
@@ -352,6 +360,8 @@ function buttonWithText(root: HTMLElement, text: string): HTMLButtonElement {
 
 beforeEach(() => {
   vi.clearAllMocks();
+  mocks.editorSettings.generateSqlQuoteIdentifiers = true;
+  mocks.previewSqliteTableStructureChange.mockResolvedValue({ statements: [], warnings: [], schemaRevision: "sqlite-revision" });
   mocks.loadObjectDdl.mockResolvedValue({ ddl: "CREATE TABLE users (id bigint)", cacheStatus: "remote" });
   mocks.invalidateObjectDdl.mockResolvedValue(undefined);
   mocks.invalidateObjectMetadataCache.mockResolvedValue(undefined);
@@ -572,6 +582,32 @@ describe("TableStructureEditor primary key editing", () => {
     expect(buttonWithText(root, "structureEditor.apply").disabled).toBe(false);
   });
 
+  it.each([
+    ["postgres", "public"],
+    ["sqlite", "main"],
+  ] as const)("omits safe identifier quotes from generated %s SQL when quoting is disabled", async (databaseType, schema) => {
+    mocks.editorSettings.generateSqlQuoteIdentifiers = false;
+    const root = await mountEditor(databaseType);
+    mocks.buildTableStructureChangeSql.mockResolvedValueOnce({ statements: [`ALTER TABLE "${schema}"."demo_table" ADD "abc" VARCHAR(20) DEFAULT 'quoted value'`], warnings: [] });
+
+    buttonWithText(root, "structureEditor.addColumn").click();
+
+    await vi.waitFor(() => expect(root.textContent).toContain(`ALTER TABLE ${schema}.demo_table ADD abc VARCHAR(20) DEFAULT 'quoted value'`));
+    expect(root.textContent).not.toContain(`"${schema}"."demo_table"`);
+  });
+
+  it("keeps SQLite rebuild SQL aligned with the guarded apply plan", async () => {
+    mocks.editorSettings.generateSqlQuoteIdentifiers = false;
+    const root = await mountEditor("sqlite");
+    const preview = `ALTER TABLE "main"."demo_table" RENAME COLUMN "old_name" TO "new_name"`;
+    mocks.previewSqliteTableStructureChange.mockResolvedValueOnce({ statements: [preview], warnings: [], schemaRevision: "sqlite-revision" });
+
+    root.querySelector<HTMLButtonElement>('[data-searchable-select="true"]')?.click();
+
+    await vi.waitFor(() => expect(mocks.previewSqliteTableStructureChange).toHaveBeenCalled());
+    expect(root.textContent).toContain(preview);
+  });
+
   it("debounces SQL preview generation while editing a column name", async () => {
     vi.useFakeTimers();
     const root = await mountEditor("dameng");

apps/desktop/src/components/structure/TableStructureEditor.vue

@@ -27,6 +27,7 @@ import { createDbxCodeMirrorSqlDialect } from "@/lib/editor/codemirrorSqlDialect
 import { useToast } from "@/composables/useToast";
 import { type SqlHighlighter, createShikiSqlHighlighter } from "@/lib/sql/sqlHighlighter";
 import { joinSqlStatementsForScript } from "@/lib/sql/sqlBatchScript";
+import { omitDdlIdentifierQuotes } from "@/lib/sql/ddlDisplay";
 import { splitSqlStatementRanges } from "@/lib/sql/sqlStatementRanges";
 import { copyToClipboard } from "@/lib/common/clipboard";
 import { formatSqlForDisplay, sqlFormatDialectForDbType } from "@/lib/sql/sqlFormatter";
@@ -1717,7 +1718,9 @@ async function refreshSqlPreview() {
       }),
     ]);
     if (requestId !== sqlPreviewRequestId) return;
-    pendingStatements.value = [...result.statements, ...ownerResult.statements, ...(mysqlAutoIncrementStatement ? [mysqlAutoIncrementStatement] : [])];
+    const statements = [...result.statements, ...ownerResult.statements, ...(mysqlAutoIncrementStatement ? [mysqlAutoIncrementStatement] : [])];
+    // SQLite type-change apply regenerates this revision-checked plan, so its preview must stay byte-for-byte aligned.
+    pendingStatements.value = settingsStore.editorSettings.generateSqlQuoteIdentifiers || hasSqliteTypeChange.value ? statements : statements.map((statement) => omitDdlIdentifierQuotes(statement, sqlFormatDialectForDbType(databaseType.value)));
     warnings.value = [...result.warnings, ...ownerResult.warnings];
     sqliteSchemaRevision.value = "schemaRevision" in result && typeof result.schemaRevision === "string" ? result.schemaRevision : undefined;
   } catch (e: any) {

apps/desktop/src/components/structure/__tests__/TableStructureEditor.concurrent.spec.ts

@@ -76,6 +76,27 @@ describe("concurrentIndexNamesInStatements", () => {
     expect(concurrentIndexNamesInStatements([])).toEqual([]);
     expect(concurrentIndexNamesInStatements(['CREATE INDEX "idx" ON "public"."t" ("c");'])).toEqual([]);
   });
+
+  it("extracts names from dequoted statements when the identifier-quote preference is off", () => {
+    expect(
+      concurrentIndexNamesInStatements([
+        "CREATE INDEX CONCURRENTLY idx_users_email ON public.users (email);",
+        "CREATE UNIQUE INDEX CONCURRENTLY uniq_users_name ON public.users (name);",
+        'CREATE INDEX CONCURRENTLY "MixedCase".idx_orders_id ON orders.orders (id);',
+        "CREATE INDEX CONCURRENTLY IF NOT EXISTS idx_ifne ON public.users (id);",
+      ]),
+    ).toEqual(["idx_users_email", "uniq_users_name", "idx_orders_id", "idx_ifne"]);
+  });
+
+  it("still detects a same-name INVALID index after dequoting (quote preference off)", () => {
+    // Regression for the pre-apply guard at TableStructureEditor applyChanges:
+    // with generateSqlQuoteIdentifiers disabled, pendingStatements are dequoted
+    // before the guard runs, so the extracted name must still match the
+    // listInvalidIndexes result and block the save.
+    const invalidIndexes = ["idx_users_email"];
+    const concurrentIndexNames = concurrentIndexNamesInStatements(["CREATE INDEX CONCURRENTLY idx_users_email ON public.users (email);"]);
+    expect(concurrentIndexNames.filter((name) => invalidIndexes.includes(name))).toEqual(["idx_users_email"]);
+  });
 });
 
 describe("normalizeUnsupportedConcurrentIndexes", () => {

apps/desktop/src/components/structure/__tests__/TableStructureEditor.concurrentTransition.spec.ts

@@ -227,7 +227,7 @@ vi.mock("@/stores/queryStore", () => ({ useQueryStore: () => ({ tableStructureRe
 vi.mock("@/stores/historyStore", () => ({ useHistoryStore: () => ({ add: vi.fn() }) }));
 vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
-    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [] },
+    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], generateSqlQuoteIdentifiers: true },
     updateEditorSettings: mocks.updateEditorSettings,
   }),
 }));

apps/desktop/src/components/structure/__tests__/TableStructureEditor.ddlSearch.spec.ts

@@ -19,6 +19,7 @@ vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
     editorSettings: {
       regexMaxMatchCount: 1000,
+      generateSqlQuoteIdentifiers: true,
     },
   }),
 }));

apps/desktop/src/components/structure/__tests__/TableStructureEditor.ddlTab.spec.ts

@@ -259,7 +259,7 @@ vi.mock("@/stores/queryStore", () => ({ useQueryStore: () => ({ tableStructureRe
 vi.mock("@/stores/historyStore", () => ({ useHistoryStore: () => ({ add: vi.fn() }) }));
 vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
-    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], fontSize: 13, fontFamily: "monospace", theme: "default" },
+    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], fontSize: 13, fontFamily: "monospace", theme: "default", generateSqlQuoteIdentifiers: true },
     updateEditorSettings: mocks.updateEditorSettings,
   }),
 }));

apps/desktop/src/components/structure/__tests__/TableStructureEditor.ddlTabLifecycle.spec.ts

@@ -176,7 +176,7 @@ vi.mock("@/stores/queryStore", () => ({ useQueryStore: () => ({ tableStructureRe
 vi.mock("@/stores/historyStore", () => ({ useHistoryStore: () => ({ add: vi.fn() }) }));
 vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
-    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], theme: "default", fontSize: 13, fontFamily: "monospace" },
+    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], theme: "default", fontSize: 13, fontFamily: "monospace", generateSqlQuoteIdentifiers: true },
     updateEditorSettings: vi.fn(),
   }),
 }));

apps/desktop/src/components/structure/__tests__/TableStructureEditor.initialTab.spec.ts

@@ -259,7 +259,7 @@ vi.mock("@/stores/queryStore", () => ({ useQueryStore: () => ({ tableStructureRe
 vi.mock("@/stores/historyStore", () => ({ useHistoryStore: () => ({ add: vi.fn() }) }));
 vi.mock("@/stores/settingsStore", () => ({
   useSettingsStore: () => ({
-    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], fontSize: 13, fontFamily: "monospace", theme: "default" },
+    editorSettings: { structureEditorDensity: "compact", sqlFormatter: {}, tableColumnTemplateFields: [], fontSize: 13, fontFamily: "monospace", theme: "default", generateSqlQuoteIdentifiers: true },
     updateEditorSettings: mocks.updateEditorSettings,
   }),
 }));