feat(settings): configure table open page size

apps/desktop/src/components/editor/EditorSettingsDialog.vue

@@ -108,7 +108,7 @@ import ChangelogPanel from "@/components/settings/ChangelogPanel.vue";
 import ScheduledDatabaseBackupSettings from "@/components/backup/ScheduledDatabaseBackupSettings.vue";
 import SqlFormatterSettingsPanel from "./SqlFormatterSettingsPanel.vue";
 import { APP_THEME_PALETTES, type AppThemeAppearance, type AppThemeMode, type AppThemePalette } from "@/lib/app/appTheme";
-import { editorSettingsDraftChanged, editorSettingsDraftFromSettings, editorSettingsPatchFromDraft, type EditorSettingsDraft } from "@/lib/settings/editorSettingsDraft";
+import { editorSettingsDraftChanged, editorSettingsDraftFromSettings, editorSettingsPatchFromDraft, normalizeTableOpenPageSizeDraft, type EditorSettingsDraft } from "@/lib/settings/editorSettingsDraft";
 import { useConnectionStore } from "@/stores/connectionStore";
 import { useSavedSqlStore } from "@/stores/savedSqlStore";
 import { useTunnelProfileStore } from "@/stores/tunnelProfileStore";
@@ -119,6 +119,7 @@ import { apiUrl } from "@/lib/common/webPath";
 import { DEFAULT_UI_FONT_FAMILY, SYSTEM_UI_FONT_FAMILY } from "@/lib/app/appFonts";
 import { buildAppSupportInfoRows, formatAppSupportInfoForClipboard, type AppSupportInfoLabels } from "@/lib/app/supportInfo";
 import { DateTimePatterns, normalizeSupportedDateTimePattern } from "@/lib/dataGrid/columnFormatter";
+import { MAX_RESULT_PAGE_SIZE, MIN_RESULT_PAGE_SIZE } from "@/lib/dataGrid/paginationPageSize";
 
 const { t } = useI18n();
 const { toast } = useToast();
@@ -295,6 +296,7 @@ const editShowColumnCommentsInHeader = ref(settingsStore.editorSettings.showColu
 const editShowColumnTypesInHeader = ref(settingsStore.editorSettings.showColumnTypesInHeader);
 const editCompactColumnHeaderActions = ref(settingsStore.editorSettings.compactColumnHeaderActions);
 const editDataGridQuickEntry = ref(settingsStore.editorSettings.dataGridQuickEntry);
+const editTableOpenPageSize = ref(settingsStore.editorSettings.tableOpenPageSize);
 const editInfiniteScroll = ref(settingsStore.editorSettings.infiniteScroll);
 const editInfiniteScrollMaxRows = ref(settingsStore.editorSettings.infiniteScrollMaxRows);
 const editAutoCalculateTotalRows = ref(settingsStore.editorSettings.autoCalculateTotalRows);
@@ -303,6 +305,10 @@ const editTableColumnTemplateDatabaseType = ref<DatabaseType>(TABLE_COLUMN_TEMPL
 const editSqlVariableSyntaxOverrides = ref<SqlVariableSyntaxOverrides>(normalizeSqlVariableSyntaxOverrides(settingsStore.editorSettings.sqlVariableSyntaxOverrides));
 const editSqlVariableSyntaxDatabaseType = ref<DatabaseType>(SQL_VARIABLE_SYNTAX_DATABASE_TYPES[0] ?? "mysql");
 
+function updateTableOpenPageSizeDraft(value: string | number) {
+  editTableOpenPageSize.value = normalizeTableOpenPageSizeDraft(value);
+}
+
 function sqlVariableSyntaxToggle(key: keyof SqlVariableSyntaxToggles): boolean {
   return editSqlVariableSyntaxOverrides.value[editSqlVariableSyntaxDatabaseType.value]?.[key] ?? true;
 }
@@ -428,6 +434,7 @@ function currentEditorSettingsDraft(): EditorSettingsDraft {
     showColumnTypesInHeader: editShowColumnTypesInHeader.value,
     compactColumnHeaderActions: editCompactColumnHeaderActions.value,
     dataGridQuickEntry: editDataGridQuickEntry.value,
+    tableOpenPageSize: editTableOpenPageSize.value,
     infiniteScroll: editInfiniteScroll.value,
     infiniteScrollMaxRows: editInfiniteScrollMaxRows.value,
     autoCalculateTotalRows: editAutoCalculateTotalRows.value,
@@ -708,6 +715,7 @@ function syncEditorSettingsDraftFromStore() {
   editShowColumnTypesInHeader.value = settingsStore.editorSettings.showColumnTypesInHeader;
   editCompactColumnHeaderActions.value = settingsStore.editorSettings.compactColumnHeaderActions;
   editDataGridQuickEntry.value = settingsStore.editorSettings.dataGridQuickEntry;
+  editTableOpenPageSize.value = settingsStore.editorSettings.tableOpenPageSize;
   editInfiniteScroll.value = settingsStore.editorSettings.infiniteScroll;
   editInfiniteScrollMaxRows.value = settingsStore.editorSettings.infiniteScrollMaxRows;
   editAutoCalculateTotalRows.value = settingsStore.editorSettings.autoCalculateTotalRows;
@@ -931,6 +939,7 @@ function resetDefaultsForTab(tab: SettingsCategory) {
     editShowColumnTypesInHeader.value = DEFAULT_EDITOR_SETTINGS.showColumnTypesInHeader;
     editCompactColumnHeaderActions.value = DEFAULT_EDITOR_SETTINGS.compactColumnHeaderActions;
     editDataGridQuickEntry.value = DEFAULT_EDITOR_SETTINGS.dataGridQuickEntry;
+    editTableOpenPageSize.value = DEFAULT_EDITOR_SETTINGS.tableOpenPageSize;
     editInfiniteScroll.value = DEFAULT_EDITOR_SETTINGS.infiniteScroll;
     editInfiniteScrollMaxRows.value = DEFAULT_EDITOR_SETTINGS.infiniteScrollMaxRows;
     editAutoCalculateTotalRows.value = DEFAULT_EDITOR_SETTINGS.autoCalculateTotalRows;
@@ -988,6 +997,7 @@ function resetAllDefaults() {
   editShowColumnTypesInHeader.value = DEFAULT_EDITOR_SETTINGS.showColumnTypesInHeader;
   editCompactColumnHeaderActions.value = DEFAULT_EDITOR_SETTINGS.compactColumnHeaderActions;
   editDataGridQuickEntry.value = DEFAULT_EDITOR_SETTINGS.dataGridQuickEntry;
+  editTableOpenPageSize.value = DEFAULT_EDITOR_SETTINGS.tableOpenPageSize;
   editInfiniteScroll.value = DEFAULT_EDITOR_SETTINGS.infiniteScroll;
   editInfiniteScrollMaxRows.value = DEFAULT_EDITOR_SETTINGS.infiniteScrollMaxRows;
   editAutoCalculateTotalRows.value = DEFAULT_EDITOR_SETTINGS.autoCalculateTotalRows;
@@ -3818,6 +3828,21 @@ onUnmounted(cleanupPreviewEditor);
 
             <!-- Data Tab -->
             <section v-else-if="activeSettingsTab === 'data'" class="flex flex-col gap-5 py-2">
+              <div class="space-y-3">
+                <div class="text-sm font-medium text-muted-foreground">{{ t("settings.dataGridDisplay") }}</div>
+                <div class="flex items-center justify-between gap-4 rounded-md border bg-muted/20 px-3 py-2">
+                  <div class="space-y-1">
+                    <Label for="table-open-page-size">
+                      {{ t("settings.tableOpenPageSize") }}
+                    </Label>
+                    <p class="text-xs text-muted-foreground">
+                      {{ t("settings.tableOpenPageSizeDescription") }}
+                    </p>
+                  </div>
+                  <Input id="table-open-page-size" type="number" inputmode="numeric" class="h-7 w-24 px-2 text-right text-xs tabular-nums" :min="MIN_RESULT_PAGE_SIZE" :max="MAX_RESULT_PAGE_SIZE" :model-value="editTableOpenPageSize" @update:model-value="updateTableOpenPageSizeDraft" />
+                </div>
+              </div>
+
               <template v-if="!isWeb">
                 <div class="space-y-3">
                   <div class="text-sm font-medium text-muted-foreground">DuckDB</div>

apps/desktop/src/components/grid/DataGrid.vue

@@ -2259,7 +2259,7 @@ watch(
 );
 
 // --- Pagination ---
-const pageSize = ref(normalizeResultPageSize(props.context === "table-data" ? (props.pageLimit ?? tableOpenPageLimit()) : settingsStore.editorSettings.pageSize));
+const pageSize = ref(normalizeResultPageSize(props.context === "table-data" ? (props.pageLimit ?? tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize)) : settingsStore.editorSettings.pageSize));
 const currentPage = ref(1);
 const pageSizeOptions = computed(() => resultPageSizeMenuOptions(pageSize.value));
 const customPageSizeInput = ref(String(pageSize.value));
@@ -2522,7 +2522,7 @@ function checkInfiniteScroll(scroller: HTMLElement) {
 function changePageSize(size: number) {
   const normalizedSize = normalizeResultPageSize(size);
   pageSize.value = normalizedSize;
-  settingsStore.updateEditorSettings({ pageSize: normalizedSize });
+  settingsStore.updateEditorSettings(props.context === "table-data" ? { tableOpenPageSize: normalizedSize } : { pageSize: normalizedSize });
   currentPage.value = 1;
   lastInfiniteScrollPage = 0;
   infiniteScrollAllLoaded = false;

apps/desktop/src/composables/__tests__/useDataGridActions.spec.ts

@@ -14,6 +14,7 @@ const mocks = vi.hoisted(() => ({
   getColumns: vi.fn(),
   listIndexes: vi.fn(),
   ensureConnected: vi.fn(),
+  tableOpenPageSize: 100,
   tabs: [] as QueryTab[],
   setTableMeta: vi.fn(),
 }));
@@ -58,6 +59,10 @@ vi.mock("@/stores/queryStore", () => ({
   }),
 }));
 
+vi.mock("@/stores/settingsStore", () => ({
+  useSettingsStore: () => ({ editorSettings: { tableOpenPageSize: mocks.tableOpenPageSize } }),
+}));
+
 vi.mock("@/composables/useToast", () => ({
   useToast: () => ({ toast: vi.fn() }),
 }));
@@ -92,6 +97,7 @@ describe("useDataGridActions", () => {
     clearTableMetadataCache();
     vi.clearAllMocks();
     mocks.tabs.length = 0;
+    mocks.tableOpenPageSize = 100;
     mocks.getConfig.mockReturnValue({ id: "postgres-1", db_type: "postgres" });
     mocks.buildTableSelectSql.mockResolvedValue("SELECT * FROM public.users LIMIT 100 OFFSET 0");
     mocks.buildSortedQuerySql.mockResolvedValue({ ok: true, sql: "SELECT sorted" });
@@ -100,7 +106,9 @@ describe("useDataGridActions", () => {
     mocks.listIndexes.mockResolvedValue([]);
   });
 
-  it("uses the table-data default when toolbar reload has no saved pagination", async () => {
+  it("uses the configured table-data default when toolbar reload has no saved pagination", async () => {
+    mocks.tableOpenPageSize = 250;
+    mocks.buildTableSelectSql.mockResolvedValueOnce("SELECT * FROM public.users LIMIT 250 OFFSET 0");
     const tab = tableDataTab();
     const actions = useDataGridActions(computed(() => tab));
 
@@ -108,11 +116,11 @@ describe("useDataGridActions", () => {
 
     expect(mocks.buildTableSelectSql).toHaveBeenCalledWith(
       expect.objectContaining({
-        limit: 100,
+        limit: 250,
         offset: 0,
       }),
     );
-    expect(mocks.executeTabSql).toHaveBeenCalledWith("tab-1", "SELECT * FROM public.users LIMIT 100 OFFSET 0", expect.objectContaining({ pagination: { limit: 100, offset: 0 } }));
+    expect(mocks.executeTabSql).toHaveBeenCalledWith("tab-1", "SELECT * FROM public.users LIMIT 250 OFFSET 0", expect.objectContaining({ pagination: { limit: 250, offset: 0 } }));
     expect(mocks.executeTabSql.mock.calls[0]?.[2]).not.toHaveProperty("preserveTotalRowCountDuringExecution");
   });
 

apps/desktop/src/composables/useDataGridActions.ts

@@ -2,6 +2,7 @@ import { type ComputedRef } from "vue";
 import { useI18n } from "vue-i18n";
 import { useConnectionStore } from "@/stores/connectionStore";
 import { useQueryStore } from "@/stores/queryStore";
+import { useSettingsStore } from "@/stores/settingsStore";
 import { buildTableSelectSql, quoteTableDataIdentifier } from "@/lib/table/tableSelectSql";
 import { tableOpenPageLimit } from "@/lib/table/tableOpenPageLimit";
 import { usesSyntheticRowIdKey } from "@/lib/table/tableEditing";
@@ -37,6 +38,7 @@ export function useDataGridActions(activeTab: ComputedRef<QueryTab | undefined>)
   const { toast } = useToast();
   const connectionStore = useConnectionStore();
   const queryStore = useQueryStore();
+  const settingsStore = useSettingsStore();
 
   function quoteIdent(tab: QueryTab, name: string): string {
     const config = connectionStore.getConfig(tab.connectionId);
@@ -64,7 +66,7 @@ export function useDataGridActions(activeTab: ComputedRef<QueryTab | undefined>)
       columns: realColumns?.map((column) => column.name),
       primaryKeys,
       includeRowId: useRowId,
-      limit: options.limit ?? tab.resultPageLimit ?? tableOpenPageLimit(),
+      limit: options.limit ?? tab.resultPageLimit ?? tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize),
       ...options,
     });
   }
@@ -135,7 +137,7 @@ export function useDataGridActions(activeTab: ComputedRef<QueryTab | undefined>)
     const elapsed = () => `${Math.round(performance.now() - startedAt)}ms`;
     if (tab.mode === "data" && tableMetaForDataTab(tab)) {
       tab.whereInput = whereInput ?? "";
-      const pageLimit = limit ?? tab.resultPageLimit ?? tableOpenPageLimit();
+      const pageLimit = limit ?? tab.resultPageLimit ?? tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize);
       const pageOffset = offset ?? 0;
       console.info("[DBX][reloadData:start]", {
         traceId,

apps/desktop/src/composables/useNavigationTargets.ts

@@ -28,7 +28,7 @@ async function openTableTarget(target: NavigationTarget, options: { tableInfoTab
   const connectionStore = useConnectionStore();
   const queryStore = useQueryStore();
   const settingsStore = useSettingsStore();
-  const pageLimit = tableOpenPageLimit();
+  const pageLimit = tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize);
 
   connectionStore.activeConnectionId = target.connectionId;
   const config = connectionStore.getConfig(target.connectionId);

apps/desktop/src/composables/useSidebarDataOpenRuntime.ts

@@ -266,7 +266,7 @@ export function useSidebarDataOpenRuntime() {
       logPhase("ensure-connected", { tabId });
       if (!config) throw new Error("Connection config not found");
 
-      const limit = tableOpenPageLimit();
+      const limit = tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize);
       const shouldRefreshTableMeta = !cachedTableMeta;
       // Dameng metadata calls must remain serialized behind the table query.
       const deferTableMetaRefresh = effectiveDbType === "dameng";

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

@@ -3576,6 +3576,8 @@ export default {
     debugLogsClear: "Clear logs",
     tableStructureSection: "Table Structure",
     dataGridDisplay: "Data grid display",
+    tableOpenPageSize: "Default rows per page when opening tables",
+    tableOpenPageSizeDescription: "Rows loaded per page when opening a new table. Changing rows per page in a table updates this default for future table tabs.",
     showColumnCommentsInHeader: "Show column comments under names",
     showColumnCommentsInHeaderDescription: "Display table column comments directly below grid column names.",
     showColumnTypesInHeader: "Show column types under names",

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

@@ -3354,6 +3354,8 @@ export default withEnglishFallback({
     debugLogsClear: "Borrar logs",
     tableStructureSection: "Estructura de tabla",
     dataGridDisplay: "Visualización de la tabla",
+    tableOpenPageSize: "Filas predeterminadas por página al abrir tablas",
+    tableOpenPageSizeDescription: "Filas cargadas por página al abrir una tabla nueva. Cambiar las filas por página actualiza este valor para futuras pestañas de tablas.",
     showColumnCommentsInHeader: "Mostrar comentarios bajo los nombres",
     showColumnCommentsInHeaderDescription: "Muestra los comentarios de columnas directamente debajo del nombre de la columna.",
     showColumnTypesInHeader: "Mostrar tipos de columna bajo los nombres",

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

@@ -3352,6 +3352,8 @@ export default withEnglishFallback({
     debugLogsClear: "Cancella log",
     tableStructureSection: "Struttura tabella",
     dataGridDisplay: "Visualizzazione griglia dati",
+    tableOpenPageSize: "Righe predefinite per pagina all'apertura delle tabelle",
+    tableOpenPageSizeDescription: "Righe caricate per pagina quando si apre una nuova tabella. La modifica delle righe per pagina aggiorna questo valore per le future schede tabella.",
     showColumnCommentsInHeader: "Mostra i commenti delle colonne sotto i nomi",
     showColumnCommentsInHeaderDescription: "Visualizza i commenti delle colonne della tabella direttamente sotto i nomi delle colonne nella griglia.",
     showColumnTypesInHeader: "Mostra i tipi di colonna sotto i nomi",

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

@@ -3349,6 +3349,8 @@ export default withEnglishFallback({
     debugLogsClear: "ログをクリア",
     tableStructureSection: "テーブル構造",
     dataGridDisplay: "データグリッド表示",
+    tableOpenPageSize: "テーブルを開くときのデフォルト行数",
+    tableOpenPageSizeDescription: "新しいテーブルを開くときに 1 ページあたり読み込む行数です。テーブルで行数を変更すると、今後のテーブルタブのデフォルトも更新されます。",
     showColumnCommentsInHeader: "列名の下にコメントを表示",
     showColumnCommentsInHeaderDescription: "グリッド列名の直下にテーブル列コメントを表示します。",
     showColumnTypesInHeader: "列名の下にデータ型を表示",

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

@@ -3354,6 +3354,8 @@ export default withEnglishFallback({
     debugLogsClear: "Limpar logs",
     tableStructureSection: "Estrutura da tabela",
     dataGridDisplay: "Exibição da grade de dados",
+    tableOpenPageSize: "Linhas padrão por página ao abrir tabelas",
+    tableOpenPageSizeDescription: "Linhas carregadas por página ao abrir uma nova tabela. Alterar as linhas por página atualiza esse padrão para futuras abas de tabelas.",
     showColumnCommentsInHeader: "Mostrar comentários de coluna sob os nomes",
     showColumnCommentsInHeaderDescription: "Exibir comentários de colunas da tabela diretamente abaixo dos nomes das colunas da grade.",
     showColumnTypesInHeader: "Mostrar tipos de coluna sob os nomes",

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

@@ -3566,6 +3566,8 @@ export default withEnglishFallback({
     debugLogsClear: "清空日志",
     tableStructureSection: "表结构",
     dataGridDisplay: "数据表格显示",
+    tableOpenPageSize: "打开表默认每页行数",
+    tableOpenPageSizeDescription: "新打开数据表时每页加载的行数。在表数据页修改每页行数后，也会更新后续新建表标签页的默认值。",
     showColumnCommentsInHeader: "在字段名下方显示注释",
     showColumnCommentsInHeaderDescription: "把表字段注释直接显示在结果表头字段名下方。",
     showColumnTypesInHeader: "在字段名下方显示数据类型",

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

@@ -3166,6 +3166,8 @@ export default withEnglishFallback({
     debugLogsClear: "清空日誌",
     tableStructureSection: "表結構",
     dataGridDisplay: "資料表格顯示",
+    tableOpenPageSize: "開啟資料表預設每頁列數",
+    tableOpenPageSizeDescription: "新開啟資料表時每頁載入的列數。在資料表頁面調整每頁列數後，也會更新後續新建資料表分頁的預設值。",
     showColumnCommentsInHeader: "在欄位名稱下方顯示註解",
     showColumnCommentsInHeaderDescription: "直接在資料表格欄位名稱下方顯示資料表欄位註解。",
     showColumnTypesInHeader: "在欄位名稱下方顯示資料類型",

apps/desktop/src/lib/settings/__tests__/editorSettingsDraft.spec.ts

@@ -1,11 +1,12 @@
 import { describe, expect, it } from "vitest";
-import { EDITOR_SETTINGS_DRAFT_KEYS, editorSettingsDraftFromSettings, editorSettingsDraftChanged, editorSettingsPatchFromDraft } from "../editorSettingsDraft";
+import { EDITOR_SETTINGS_DRAFT_KEYS, editorSettingsDraftFromSettings, editorSettingsDraftChanged, editorSettingsPatchFromDraft, normalizeTableOpenPageSizeDraft } from "../editorSettingsDraft";
 import type { EditorSettings } from "@/stores/settingsStore";
 
 function makeSettings(overrides: Partial<EditorSettings> = {}): EditorSettings {
   return {
     autoCalculateTotalRows: false,
     pageSize: 100,
+    tableOpenPageSize: 100,
     sqlEngine: "desktop",
     tabSize: 2,
     keywordCase: "upper",
@@ -31,6 +32,10 @@ describe("EDITOR_SETTINGS_DRAFT_KEYS", () => {
   it("includes continueOnErrorOnBatch", () => {
     expect(EDITOR_SETTINGS_DRAFT_KEYS).toContain("continueOnErrorOnBatch");
   });
+
+  it("includes the table-open page size", () => {
+    expect(EDITOR_SETTINGS_DRAFT_KEYS).toContain("tableOpenPageSize");
+  });
 });
 
 describe("editorSettingsDraftFromSettings", () => {
@@ -43,6 +48,27 @@ describe("editorSettingsDraftFromSettings", () => {
     const draft = editorSettingsDraftFromSettings(makeSettings({ continueOnErrorOnBatch: false }));
     expect(draft.continueOnErrorOnBatch).toBe(false);
   });
+
+  it("preserves the table-open default for legacy settings", () => {
+    const settings = makeSettings();
+    delete (settings as Partial<EditorSettings>).tableOpenPageSize;
+    expect(editorSettingsDraftFromSettings(settings).tableOpenPageSize).toBe(100);
+  });
+});
+
+describe("normalizeTableOpenPageSizeDraft", () => {
+  it.each([
+    [200000, 100000],
+    [0, 100],
+    [-1, 100],
+    ["123.9", 123],
+    [Number.NaN, 100],
+    [Number.POSITIVE_INFINITY, 100],
+    ["not-a-number", 100],
+    [500, 500],
+  ])("normalizes %s to %s", (value, expected) => {
+    expect(normalizeTableOpenPageSizeDraft(value)).toBe(expected);
+  });
 });
 
 describe("editorSettingsDraftChanged", () => {
@@ -60,6 +86,14 @@ describe("editorSettingsDraftChanged", () => {
     const base = editorSettingsDraftFromSettings(settings);
     expect(editorSettingsDraftChanged(draft, base)).toBe(false);
   });
+
+  it("compares the normalized table-open page size", () => {
+    const settings = makeSettings({ tableOpenPageSize: 100 });
+    const draft = editorSettingsDraftFromSettings(settings);
+    const base = editorSettingsDraftFromSettings(settings);
+    draft.tableOpenPageSize = Number.NaN;
+    expect(editorSettingsDraftChanged(draft, base)).toBe(false);
+  });
 });
 
 describe("editorSettingsPatchFromDraft", () => {
@@ -79,6 +113,14 @@ describe("editorSettingsPatchFromDraft", () => {
     const patch = editorSettingsPatchFromDraft(draft, base);
     expect(patch.continueOnErrorOnBatch).toBeUndefined();
   });
+
+  it("writes the normalized table-open page size", () => {
+    const settings = makeSettings({ tableOpenPageSize: 100 });
+    const draft = editorSettingsDraftFromSettings(settings);
+    const base = editorSettingsDraftFromSettings(settings);
+    draft.tableOpenPageSize = 200000.9;
+    expect(editorSettingsPatchFromDraft(draft, base).tableOpenPageSize).toBe(100000);
+  });
 });
 
 describe("EDITOR_SETTINGS_DRAFT_KEYS - tabLayout", () => {

apps/desktop/src/lib/settings/editorSettingsDraft.ts

@@ -1,4 +1,5 @@
 import type { EditorSettings } from "@/stores/settingsStore";
+import { normalizeResultPageSize } from "@/lib/dataGrid/paginationPageSize";
 
 export const EDITOR_SETTINGS_DRAFT_KEYS = [
   "fontFamily",
@@ -26,6 +27,7 @@ export const EDITOR_SETTINGS_DRAFT_KEYS = [
   "showColumnTypesInHeader",
   "compactColumnHeaderActions",
   "dataGridQuickEntry",
+  "tableOpenPageSize",
   "infiniteScroll",
   "infiniteScrollMaxRows",
   "autoCalculateTotalRows",
@@ -66,14 +68,24 @@ function cloneDraftValue<T>(value: T): T {
   return JSON.parse(JSON.stringify(value)) as T;
 }
 
-function draftValueChanged(a: unknown, b: unknown): boolean {
-  return JSON.stringify(a) !== JSON.stringify(b);
+export function normalizeTableOpenPageSizeDraft(value: unknown): number {
+  // Match persistence so legacy, invalid, and fractional values cannot leave the dialog dirty after apply.
+  return normalizeResultPageSize(value);
+}
+
+function normalizedDraftValue(key: EditorSettingsDraftKey, value: unknown): unknown {
+  if (key === "tableOpenPageSize") return normalizeTableOpenPageSizeDraft(value);
+  return value;
+}
+
+function draftValueChanged(key: EditorSettingsDraftKey, a: unknown, b: unknown): boolean {
+  return JSON.stringify(normalizedDraftValue(key, a)) !== JSON.stringify(normalizedDraftValue(key, b));
 }
 
 export function editorSettingsDraftFromSettings(settings: EditorSettings): EditorSettingsDraft {
   const draft = {} as EditorSettingsDraft;
   for (const key of EDITOR_SETTINGS_DRAFT_KEYS) {
-    draft[key] = cloneDraftValue(settings[key]) as never;
+    draft[key] = cloneDraftValue(normalizedDraftValue(key, settings[key])) as never;
   }
   return draft;
 }
@@ -81,13 +93,13 @@ export function editorSettingsDraftFromSettings(settings: EditorSettings): Edito
 export function editorSettingsPatchFromDraft(draft: EditorSettingsDraft, base: EditorSettingsDraft): Partial<EditorSettings> {
   const patch: Partial<EditorSettings> = {};
   for (const key of EDITOR_SETTINGS_DRAFT_KEYS) {
-    if (draftValueChanged(draft[key], base[key])) {
-      patch[key] = cloneDraftValue(draft[key]) as never;
+    if (draftValueChanged(key, draft[key], base[key])) {
+      patch[key] = cloneDraftValue(normalizedDraftValue(key, draft[key])) as never;
     }
   }
   return patch;
 }
 
 export function editorSettingsDraftChanged(draft: EditorSettingsDraft, base: EditorSettingsDraft): boolean {
-  return EDITOR_SETTINGS_DRAFT_KEYS.some((key) => draftValueChanged(draft[key], base[key]));
+  return EDITOR_SETTINGS_DRAFT_KEYS.some((key) => draftValueChanged(key, draft[key], base[key]));
 }

apps/desktop/src/lib/table/tableOpenPageLimit.ts

@@ -2,7 +2,6 @@ import { DEFAULT_RESULT_PAGE_SIZE, normalizeResultPageSize } from "@/lib/dataGri
 
 export const DEFAULT_TABLE_OPEN_PAGE_LIMIT = DEFAULT_RESULT_PAGE_SIZE;
 
-export function tableOpenPageLimit(): number {
-  // Opening a table should not inherit the mutable SQL result-grid rows-per-page setting.
-  return normalizeResultPageSize(DEFAULT_TABLE_OPEN_PAGE_LIMIT);
+export function tableOpenPageLimit(preferredLimit?: unknown): number {
+  return normalizeResultPageSize(preferredLimit, DEFAULT_TABLE_OPEN_PAGE_LIMIT);
 }

apps/desktop/src/stores/queryStore.ts

@@ -1878,7 +1878,7 @@ export const useQueryStore = defineStore("query", () => {
     const primaryKeys = tab.tableMeta ? tab.tableMeta.primaryKeys : tableMeta.primaryKeys;
     const sortOrder = tab.resultSortColumn && tab.resultSortDirection ? `${quoteTableDataIdentifier(effectiveDbType, tab.resultSortColumn, identifierQuote)} ${tab.resultSortDirection.toUpperCase()}` : undefined;
     const orderBy = tab.orderByInput?.trim() || sortOrder;
-    const limit = tab.resultPageLimit ?? tableOpenPageLimit();
+    const limit = tab.resultPageLimit ?? tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize);
     const offset = tab.resultPageOffset ?? 0;
     const refreshPreparationId = uuid();
 
@@ -3307,7 +3307,7 @@ export const useQueryStore = defineStore("query", () => {
         countSql = plan.countSql;
         useAgentResultSession = plan.useAgentResultSession;
       } else if (tab.mode === "data") {
-        pageLimit = options?.pagination?.limit ?? tableOpenPageLimit();
+        pageLimit = options?.pagination?.limit ?? tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize);
         pageOffset = options?.pagination?.offset ?? 0;
       }
 
@@ -4126,7 +4126,7 @@ export const useQueryStore = defineStore("query", () => {
       pagination:
         tab.mode === "data"
           ? {
-              limit: tab.resultPageLimit ?? tableOpenPageLimit(),
+              limit: tab.resultPageLimit ?? tableOpenPageLimit(settingsStore.editorSettings.tableOpenPageSize),
               offset: tab.resultPageOffset ?? 0,
             }
           : undefined,

apps/desktop/src/stores/settingsStore.ts

@@ -377,6 +377,7 @@ export interface EditorSettings {
   tabLayout: TabLayoutMode;
   appLayout: "separated" | "classic";
   pageSize: number;
+  tableOpenPageSize: number;
   infiniteScroll: boolean;
   infiniteScrollMaxRows: number;
   autoCalculateTotalRows: boolean;
@@ -521,6 +522,7 @@ export const DEFAULT_EDITOR_SETTINGS: EditorSettings = {
   tabLayout: "scroll",
   appLayout: "classic",
   pageSize: 100,
+  tableOpenPageSize: 100,
   infiniteScroll: false,
   infiniteScrollMaxRows: 5000,
   autoCalculateTotalRows: false,
@@ -770,6 +772,7 @@ export function normalizeEditorSettings(settings: Partial<EditorSettings>, exist
     tabLayout: normalizeTabLayout(settings.tabLayout),
     appLayout: settings.appLayout ?? DEFAULT_EDITOR_SETTINGS.appLayout,
     pageSize: normalizeResultPageSize(settings.pageSize),
+    tableOpenPageSize: normalizeResultPageSize(settings.tableOpenPageSize, DEFAULT_EDITOR_SETTINGS.tableOpenPageSize),
     infiniteScroll: settings.infiniteScroll ?? DEFAULT_EDITOR_SETTINGS.infiniteScroll,
     infiniteScrollMaxRows: typeof settings.infiniteScrollMaxRows === "number" && settings.infiniteScrollMaxRows >= 1000 && settings.infiniteScrollMaxRows <= 50000 ? Math.round(settings.infiniteScrollMaxRows) : DEFAULT_EDITOR_SETTINGS.infiniteScrollMaxRows,
     autoCalculateTotalRows: settings.autoCalculateTotalRows ?? DEFAULT_EDITOR_SETTINGS.autoCalculateTotalRows,
@@ -1095,6 +1098,7 @@ export const useSettingsStore = defineStore("settings", () => {
     if (partial.tabLayout !== undefined) editorSettings.value.tabLayout = normalizeTabLayout(partial.tabLayout);
     if (partial.appLayout !== undefined) editorSettings.value.appLayout = partial.appLayout;
     if (partial.pageSize !== undefined) editorSettings.value.pageSize = normalizeResultPageSize(partial.pageSize);
+    if (partial.tableOpenPageSize !== undefined) editorSettings.value.tableOpenPageSize = normalizeResultPageSize(partial.tableOpenPageSize, DEFAULT_EDITOR_SETTINGS.tableOpenPageSize);
     if (partial.infiniteScroll !== undefined) editorSettings.value.infiniteScroll = partial.infiniteScroll;
     if (partial.infiniteScrollMaxRows !== undefined)
       editorSettings.value.infiniteScrollMaxRows = typeof partial.infiniteScrollMaxRows === "number" && partial.infiniteScrollMaxRows >= 1000 && partial.infiniteScrollMaxRows <= 50000 ? Math.round(partial.infiniteScrollMaxRows) : DEFAULT_EDITOR_SETTINGS.infiniteScrollMaxRows;