fix(oracle): copy temporal cells in display format

Closes #8569

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

@@ -7012,6 +7012,7 @@ const {
   sourceColumns: visibleSourceColumns,
   columnComments: visibleColumnComments,
   allColumnComments,
+  displayValue: formatCellCached,
   mongoDocuments: computed(() => props.result.mongo_copy_documents ?? props.result.mongo_documents),
   spatialColumns: computed(() => props.result.spatial_columns),
   spatialValues: computed(() => props.result.spatial_values),

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

@@ -1,10 +1,12 @@
 import { computed, ref } from "vue";
 import { beforeEach, describe, expect, it, vi } from "vitest";
 import { useDataGridExport, type UseDataGridExportOptions } from "@/composables/useDataGridExport";
+import type { DatabaseType } from "@/types/database";
 import { buildDataGridCopyUpdateStatements } from "@/lib/dataGrid/dataGridSql";
 import { copyToClipboard } from "@/lib/common/clipboard";
 import type { DataGridTableMeta } from "@/lib/dataGrid/dataGridSql";
 import type { CellSelectionMatrix, SelectionData } from "@/lib/dataGrid/gridSelection";
+import type { CellValue } from "@/lib/dataGrid/cellValue";
 import { extractDataGridSelection } from "@/lib/backend/api";
 import { DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS } from "@/lib/dataGrid/dataGridCopyExtractor";
 import { clearDataGridClipboardCopy, parseDataGridClipboard } from "@/lib/dataGrid/dataGridClipboard";
@@ -115,6 +117,8 @@ function createExportState(
   isSyntheticContext = false,
   contextRowId?: number | null,
   contextColumn?: number,
+  databaseType: DatabaseType = "mysql",
+  displayValue?: (value: CellValue, columnIndex: number) => string,
 ) {
   const rows = (rowDataList ?? [rowData ?? columns.map((column, index) => (column === "id" ? 1 : `value-${index}`))]).map((data, index) => ({ ...row(data), id: index + 1 }));
   const resolvedContextRowId = contextRowId === undefined ? (rows[0]?.id ?? null) : contextRowId;
@@ -124,7 +128,8 @@ function createExportState(
     displayItems: computed(() => rows),
     sql: computed(() => undefined),
     tableMeta: computed(() => tableMeta),
-    databaseType: computed(() => "mysql"),
+    databaseType: computed(() => databaseType),
+    displayValue,
     connectionId: computed(() => "connection-1"),
     database: computed(() => "dbx"),
     context: computed(() => "table-data"),
@@ -738,6 +743,35 @@ describe("useDataGridExport prepared row statements", () => {
     expect(copyToClipboard).toHaveBeenCalledWith("");
   });
 
+  it("copies Oracle temporal cells using the displayed value", async () => {
+    const table: DataGridTableMeta = {
+      tableName: "events",
+      columns: [{ name: "created_at", data_type: "timestamp", is_nullable: true }],
+      primaryKeys: [],
+    };
+    const state = createExportState(
+      table,
+      ["created_at"],
+      undefined,
+      ["2020-12-02T15:18:29"],
+      undefined,
+      undefined,
+      [],
+      DEFAULT_DATA_GRID_EXTRACTOR_OPTIONS,
+      false,
+      undefined,
+      false,
+      1,
+      0,
+      "oracle",
+      () => "2020-12-02 15:18:29",
+    );
+
+    await state.copyCell();
+
+    expect(copyToClipboard).toHaveBeenCalledWith("2020-12-02 15:18:29");
+  });
+
   it("copies all rows with empty fields for NULL cells", async () => {
     const text = "id\tname\n1\t\n2\tAda";
     const state = createExportState(editableTable, ["id", "name"], undefined, undefined, undefined, [

apps/desktop/src/composables/useDataGridExport.ts

@@ -23,6 +23,7 @@ import { useSettingsStore } from "@/stores/settingsStore";
 import { expandNestedJsonStringsForCopy } from "@/lib/common/jsonCopyValue";
 import { buildMongoCopyDocumentFromOriginal, buildMongoCopyInsertDocument, buildMongoCopyUpdateDocument, formatMongoShellLiteral, type MongoInputValue } from "@/lib/mongo/mongoDocumentValues";
 import { formatMongoShellText } from "@/lib/mongo/mongoFormatter";
+import { isTemporalColumnType } from "@/lib/dataGrid/columnFormatter";
 import type { DatabaseType, QueryResult } from "@/types/database";
 import type { QueryResultExportRequest } from "@/lib/backend/api";
 import { usesSyntheticRowIdKey } from "@/lib/table/tableEditing";
@@ -82,6 +83,7 @@ export interface UseDataGridExportOptions {
   copyInsertTargetLabel?: ComputedRef<string | undefined>;
   mongoUpdateTarget?: ComputedRef<MongoCopyUpdateTarget | undefined>;
   databaseType: ComputedRef<DatabaseType | undefined>;
+  displayValue?: (value: CellValue, columnIndex: number) => string;
   identifierQuote?: ComputedRef<string | undefined>;
   connectionId: ComputedRef<string | undefined>;
   database: ComputedRef<string | undefined>;
@@ -553,7 +555,12 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
     const [resolvedItem] = await resolveVisibleRowValues([item], [sourceIndex]);
     const val = resolvedItem?.data[contextCell.value.col] ?? null;
     // 外部剪贴板呈现文本型 MySQL VARBINARY（NULL 也按空串输出）；内部网格副本仍保留原 hex，保证回粘无损。
-    await copyText(clipboardCellValue(binaryClipboardCellValue(val, contextCell.value.col)), { rows: [[val]] });
+    const rawValue = clipboardCellValue(binaryClipboardCellValue(val, contextCell.value.col));
+    const copyValue =
+      options.databaseType.value === "oracle" && isTemporalColumnType(options.columnTypes.value?.[contextCell.value.col])
+        ? options.displayValue?.(val, sourceIndex) ?? rawValue
+        : rawValue;
+    await copyText(copyValue, { rows: [[val]] });
   }
 
   async function copyRow() {