fix(grid): treat bulk-edit NULL keyword as SQL NULL

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

@@ -308,7 +308,7 @@ import { uiTuning } from "@/lib/app/uiTuning";
 import { useDataGridScrollbars, type DataGridScrollbarsRuntime } from "@/composables/useDataGridScrollbars";
 import { useDataGridSelection } from "@/composables/useDataGridSelection";
 import { dataGridNavigationOrigin, dataGridPageScrollTop, dataGridRowScrollTop, moveDataGridCell, navigateDataGridCell, type DataGridNavigationDirection, type DataGridScrollAlignment } from "@/lib/dataGrid/dataGridNavigation";
-import { dataGridInlineBulkEditValue } from "@/lib/dataGrid/dataGridInlineBulkEdit";
+import { bulkEditInputToSqlValue, dataGridInlineBulkEditValue } from "@/lib/dataGrid/dataGridInlineBulkEdit";
 import type { CellPosition } from "@/lib/dataGrid/gridSelection";
 import type { GridSnapshotSource } from "@/lib/gridSnapshot/gridSnapshot";
 import { createDataGridRuntimeScope } from "@/lib/dataGrid/dataGridRuntime";
@@ -8442,7 +8442,8 @@ async function applyBulkEditValue() {
         toast(t("grid.conditionalBulkEditConditionRequired"), 5000);
         return;
       }
-      const value = bulkEditValue.value === "" ? null : coerceCellValue(bulkEditValue.value, undefined, target.columnIndex);
+      const rawValue = bulkEditInputToSqlValue(bulkEditValue.value);
+      const value = rawValue === null ? null : coerceCellValue(rawValue, undefined, target.columnIndex);
       const statement = await buildDataGridConditionalUpdateSql({
         databaseType: resolvedDatabaseType.value,
         identifierQuote: connectionStore.connectionIdentifierQuote?.(props.connectionId),
@@ -8464,8 +8465,9 @@ async function applyBulkEditValue() {
     return;
   }
 
-  // Empty input sets the selected cells to SQL NULL (the placeholder hints "Value, or NULL").
-  const value = bulkEditValue.value === "" ? null : bulkEditValue.value;
+  // Empty input or the bare keyword NULL sets the selected cells to SQL NULL
+  // (the placeholder hints "Value, or NULL").
+  const value = bulkEditInputToSqlValue(bulkEditValue.value);
   if (!fillSelectionWithValue(value)) return;
   bulkEditDialogOpen.value = false;
 }

apps/desktop/src/components/grid/__tests__/DataGridInlineBulkEdit.spec.ts

@@ -1,6 +1,6 @@
 import { readFileSync } from "node:fs";
 import { describe, expect, it } from "vitest";
-import { dataGridInlineBulkEditValue } from "@/lib/dataGrid/dataGridInlineBulkEdit";
+import { bulkEditInputToSqlValue, dataGridInlineBulkEditValue } from "@/lib/dataGrid/dataGridInlineBulkEdit";
 
 const dataGridSource = readFileSync(new URL("../DataGrid.vue", import.meta.url), "utf8");
 
@@ -40,3 +40,19 @@ describe("DataGrid inline bulk editing", () => {
     expect(commit).toContain("cancelEdit()");
   });
 });
+
+describe("bulkEditInputToSqlValue", () => {
+  it.each(["", "   ", "NULL", "null", "Null", "nUlL", " NULL "])("maps the NULL sentinel %j to SQL NULL", (input) => {
+    expect(bulkEditInputToSqlValue(input)).toBeNull();
+  });
+
+  it.each(["0", "false", "NULLL", "NULLX", "'NULL'", "nulls", "NUL", " 1 "])("keeps non-sentinel input %j as typed", (input) => {
+    expect(bulkEditInputToSqlValue(input)).toBe(input);
+  });
+
+  it("routes applyBulkEditValue through bulkEditInputToSqlValue for both scopes", () => {
+    const applyBulkEdit = functionBody("applyBulkEditValue", "confirmConditionalBulkEdit");
+    expect(applyBulkEdit).toContain("bulkEditInputToSqlValue(bulkEditValue.value)");
+    expect(applyBulkEdit).not.toContain('bulkEditValue.value === "" ? null');
+  });
+});

apps/desktop/src/lib/dataGrid/dataGridInlineBulkEdit.ts

@@ -12,3 +12,15 @@ export function dataGridInlineBulkEditValue(event: DataGridInlineBulkEditKeyEven
   if (event.key === "Enter") return "";
   return event.key !== "Process" && Array.from(event.key).length === 1 ? event.key : undefined;
 }
+
+/**
+ * Bulk-edit dialog contract (placeholder "Value, or NULL"): empty input and the
+ * bare keyword `NULL` stage SQL NULL. Every other input is kept as typed so a
+ * text column can still receive the literal word via quoted/user-specific input
+ * outside this dialog path.
+ */
+export function bulkEditInputToSqlValue(input: string): string | null {
+  const trimmed = input.trim();
+  if (trimmed === "" || trimmed.toUpperCase() === "NULL") return null;
+  return input;
+}