[data views] Remove fields for time pattern functionality (#133075)

* remove fields for time pattern functionality

src/plugins/data/common/index.ts

@@ -116,7 +116,6 @@ export type {
   SavedObjectsClientCommonFindArgs,
   SavedObjectsClientCommon,
   GetFieldsOptions,
-  GetFieldsOptionsTimePattern,
   IDataViewsApiClient,
   SavedObject,
   AggregationRestrictions,

src/plugins/data_views/common/index.ts

@@ -40,7 +40,6 @@ export type {
   SavedObjectsClientCommonFindArgs,
   SavedObjectsClientCommon,
   GetFieldsOptions,
-  GetFieldsOptionsTimePattern,
   IDataViewsApiClient,
   SavedObject,
   AggregationRestrictions,

src/plugins/data_views/common/types.ts

@@ -168,15 +168,7 @@ export interface GetFieldsOptions {
   filter?: QueryDslQueryContainer;
 }
 
-export interface GetFieldsOptionsTimePattern {
-  pattern: string;
-  metaFields: string[];
-  lookBack: number;
-  interval: string;
-}
-
 export interface IDataViewsApiClient {
-  getFieldsForTimePattern: (options: GetFieldsOptionsTimePattern) => Promise<any>;
   getFieldsForWildcard: (options: GetFieldsOptions) => Promise<any>;
   hasUserIndexPattern: () => Promise<boolean>;
 }

src/plugins/data_views/public/data_views/data_views_api_client.test.ts

@@ -18,19 +18,6 @@ describe('IndexPatternsApiClient', () => {
     indexPatternsApiClient = new DataViewsApiClient(http);
   });
 
-  test('uses the right URI to fetch fields for time patterns', async function () {
-    const expectedPath = '/api/index_patterns/_fields_for_time_pattern';
-
-    await indexPatternsApiClient.getFieldsForTimePattern({
-      pattern: 'blah',
-      metaFields: [],
-      lookBack: 5,
-      interval: '',
-    });
-
-    expect(fetchSpy).toHaveBeenCalledWith(expectedPath, expect.any(Object));
-  });
-
   test('uses the right URI to fetch fields for wildcard', async function () {
     const expectedPath = '/api/index_patterns/_fields_for_wildcard';
 

src/plugins/data_views/public/data_views/data_views_api_client.ts

@@ -8,7 +8,7 @@
 
 import { HttpSetup } from '@kbn/core/public';
 import { DataViewMissingIndices } from '../../common/lib';
-import { GetFieldsOptions, IDataViewsApiClient, GetFieldsOptionsTimePattern } from '../../common';
+import { GetFieldsOptions, IDataViewsApiClient } from '../../common';
 
 const API_BASE_URL: string = `/api/index_patterns/`;
 
@@ -37,18 +37,6 @@ export class DataViewsApiClient implements IDataViewsApiClient {
     return API_BASE_URL + path.filter(Boolean).map(encodeURIComponent).join('/');
   }
 
-  getFieldsForTimePattern(options: GetFieldsOptionsTimePattern) {
-    const { pattern, lookBack, metaFields } = options;
-
-    const url = this._getUrl(['_fields_for_time_pattern']);
-
-    return this._request(url, {
-      pattern,
-      look_back: lookBack,
-      meta_fields: metaFields,
-    }).then((resp: any) => resp.fields);
-  }
-
   getFieldsForWildcard({
     pattern,
     metaFields,

src/plugins/data_views/server/fetcher/index_patterns_fetcher.ts

@@ -12,8 +12,6 @@ import type { QueryDslQueryContainer } from '../../common/types';
 
 import {
   getFieldCapabilities,
-  resolveTimePattern,
-  createNoMatchingIndicesError,
   getCapabilitiesForRollupIndices,
   mergeCapabilitiesWithFields,
 } from './lib';
@@ -101,35 +99,6 @@ export class IndexPatternsFetcher {
     return fieldCapsResponse;
   }
 
-  /**
-   *  Get a list of field objects for a time pattern
-   *
-   *  @param {Object} [options={}]
-   *  @property {String} options.pattern The moment compatible time pattern
-   *  @property {Number} options.lookBack The number of indices we will pull mappings for
-   *  @property {Number} options.metaFields The list of underscore prefixed fields that should
-   *                                        be left in the field list (all others are removed).
-   *  @return {Promise<Array<Fields>>}
-   */
-  async getFieldsForTimePattern(options: {
-    pattern: string;
-    metaFields: string[];
-    lookBack: number;
-    interval: string;
-  }) {
-    const { pattern, lookBack, metaFields } = options;
-    const { matches } = await resolveTimePattern(this.elasticsearchClient, pattern);
-    const indices = matches.slice(0, lookBack);
-    if (indices.length === 0) {
-      throw createNoMatchingIndicesError(pattern);
-    }
-    return await getFieldCapabilities({
-      callCluster: this.elasticsearchClient,
-      indices,
-      metaFields,
-    });
-  }
-
   /**
    *  Returns an index pattern list of only those index pattern strings in the given list that return indices
    *

src/plugins/data_views/server/fetcher/lib/index.ts

@@ -7,7 +7,6 @@
  */
 
 export { getFieldCapabilities, shouldReadFieldFromDocValues } from './field_capabilities';
-export { resolveTimePattern } from './resolve_time_pattern';
 export { createNoMatchingIndicesError } from './errors';
 export * from './merge_capabilities_with_fields';
 export * from './map_capabilities';