[RAM] Performance to our browser field endpoint (#157523)

## Summary Fix #155000 We had to re-introduce this endpoint to allow our user to access alert fields without creating a specific privileges on the alert index. --------- Co-authored-by: Julian Gernun <17549662+jcger@users.noreply.github.com>
elastic · May 16, 2023 · e68bb9b · e68bb9b
1 parent 16941fd
commit e68bb9b
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Showing 3 changed files with 5 additions and 2 deletions.
diff --git a/x-pack/plugins/observability/public/components/alerts_table/default_columns.tsx b/x-pack/plugins/observability/public/components/alerts_table/default_columns.tsx
@@ -37,6 +37,7 @@ export const columns: Array<
     }),
     id: TIMESTAMP,
     initialWidth: 230,
+    schema: 'datetime',
   },
   {
     columnHeaderType: 'not-filtered',

diff --git a/x-pack/plugins/rule_registry/server/alert_data_client/browser_fields/index.ts b/x-pack/plugins/rule_registry/server/alert_data_client/browser_fields/index.ts
@@ -35,8 +35,8 @@ export const fieldDescriptorToBrowserFieldMapper = (fields: FieldDescriptor[]):
     const category = getFieldCategory(field);
     const browserField = browserFieldFactory(field, category);
 
-    if (browserFields[category]) {
-      browserFields[category] = { fields: { ...browserFields[category].fields, ...browserField } };
+    if (browserFields[category] && browserFields[category]) {
+      Object.assign(browserFields[category].fields, browserField);
     } else {
       browserFields[category] = { fields: browserField };
     }

diff --git a/...lic/application/sections/alerts_table/alerts_page/register_alerts_table_configuration.tsx b/...lic/application/sections/alerts_table/alerts_page/register_alerts_table_configuration.tsx
@@ -36,11 +36,13 @@ export function registerAlertsTableConfiguration({
         id: '@timestamp',
         displayAsText: 'Last updated',
         initialWidth: 250,
+        schema: 'datetime',
       },
       {
         id: 'kibana.alert.duration.us',
         displayAsText: 'Duration',
         initialWidth: 150,
+        schema: 'numeric',
       },
       {
         id: 'kibana.alert.reason',