[Tabify] Add meta option to include top-level underscored field values (

#90535)

Co-authored-by: Kibana Machine <[email protected]>

src/plugins/data/common/search/tabify/tabify_docs.test.ts

@@ -37,6 +37,10 @@ describe('tabifyDocs', () => {
  hits: {
  hits: [
  {
+ _id: 'hit-id-value',
+ _index: 'hit-index-value',
+ _type: 'hit-type-value',
+ _score: 77,
  _source: { sourceTest: 123 },
  fields: { fieldTest: 123, invalidMapping: 345, nested: [{ field: 123 }] },
  },
@@ -59,6 +63,11 @@ describe('tabifyDocs', () => {
  expect(table).toMatchSnapshot();
  });
 
+ it('combines meta fields if meta option is set', () => {
+ const table = tabifyDocs(response, index, { meta: true });
+ expect(table).toMatchSnapshot();
+ });
+
  it('works without provided index pattern', () => {
  const table = tabifyDocs(response);
  expect(table).toMatchSnapshot();

src/plugins/data/common/search/tabify/tabify_docs.ts

@@ -11,6 +11,12 @@ import { isPlainObject } from 'lodash';
 import { IndexPattern } from '../../index_patterns/index_patterns';
 import { Datatable, DatatableColumn, DatatableColumnType } from '../../../../expressions/common';
 
+export interface TabifyDocsOptions {
+ shallow?: boolean;
+ source?: boolean;
+ meta?: boolean;
+}
+
 export function flattenHit(
  hit: SearchResponse<unknown>['hits']['hits'][0],
  indexPattern?: IndexPattern,
@@ -56,12 +62,13 @@ export function flattenHit(
  if (params?.source !== false && hit._source) {
  flatten(hit._source as Record<string, any>);
  }
- return flat;
-}
+ if (params?.meta !== false) {
+ // combine the fields that Discover allows to add as columns
+ const { _id, _index, _type, _score } = hit;
+ flatten({ _id, _index, _score, _type });
+ }
 
-export interface TabifyDocsOptions {
- shallow?: boolean;
- source?: boolean;
+ return flat;
 }
 
 export const tabifyDocs = (