Revert "UI fixes for loading state, empty tree, added toast for error…

…, fixed no indicies error (opensearch-project#176) (opensearch-project#178)"

This reverts commit 3c47d47.

Signed-off-by: Eric <menwe@amazon.com>

common/constants/index.ts

@@ -95,6 +95,3 @@ export const POLL_INTERVAL_MS = 2000;
 export const ASYNC_QUERY_ENDPOINT = '/api/spark_sql_console';
 export const ASYNC_QUERY_JOB_ENDPOINT = ASYNC_QUERY_ENDPOINT + '/job/';
 export const ASYNC_QUERY_SESSION_ID = 'async-query-session-id';
-
-export const SAMPLE_PPL_QUERY = 'source = <datasource>.<database>.<table> | head 10';
-export const SAMPLE_SQL_QUERY = 'select * from <datasource>.<database>.<table> limit 10';

common/utils/async_query_helpers.ts

@@ -50,15 +50,14 @@ export const pollQueryStatus = (id: string, http: CoreStart['http'], callback) =
         callback({ status: status });
         setTimeout(() => pollQueryStatus(id, http, callback), POLL_INTERVAL_MS);
       } else if (status === 'failed') {
-        const results = res.data.resp;
-        callback({ status: 'FAILED', error: results.error });
+        callback({ status: 'FAILED', results: [] });
       } else if (status === 'success') {
         const results = _.get(res.data.resp, 'datarows');
         callback({ status: 'SUCCESS', results: results });
       }
     })
     .catch((err) => {
       console.error(err);
-      callback({ status: 'FAILED', error: 'Failed to fetch data' });
+      callback([]);
     });
 };