fix(oracle): preserve DATE time in display and export

apps/desktop/src/composables/useDataGridExport.ts

@@ -237,6 +237,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
       tableName: tableMeta.value?.tableName ?? null,
       copyInsertTargetLabel: copyInsertTargetLabel?.value ?? null,
       columns: columns.value,
+      columnTypes: columnTypes.value ?? null,
       sourceColumns: sourceColumns.value ?? null,
       excludePrimaryKeys,
       insertMode,
@@ -311,6 +312,7 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
               databaseType: databaseType.value,
               tableMeta: tableMeta.value,
               columns: columns.value,
+              columnTypes: columnTypes.value,
               sourceColumns: sourceColumns.value,
               rows: rows.map((item) => item.data),
               excludePrimaryKeys,
@@ -1075,9 +1077,10 @@ export function useDataGridExport(options: UseDataGridExportOptions) {
   } {
     const exportColumns = tableMeta.value ? effectiveColumns(sourceColumns.value, result.columns) : result.columns;
     const columnIndexes = exportColumns.map((column, index) => ({ column, index })).filter((item): item is { column: string; index: number } => !!item.column);
+    const exportColumnTypes = columnTypes.value?.length === result.columns.length ? columnTypes.value : undefined;
     return {
       columns: columnIndexes.map((item) => item.column),
-      columnTypes: tableMeta.value ? columnIndexes.map((item) => columnTypes.value?.[item.index]) : undefined,
+      columnTypes: exportColumnTypes ? columnIndexes.map((item) => exportColumnTypes[item.index]) : undefined,
       rows: result.rows.map((row) => columnIndexes.map((item) => row[item.index] ?? null)),
     };
   }