From 6efa46a1ab66426ac1622778201d39bc2afbd871 Mon Sep 17 00:00:00 2001
From: Stratoula Kalafateli <efstratia.kalafateli@elastic.co>
Date: Mon, 3 Mar 2025 10:18:08 +0100
Subject: [PATCH] [ES|QL] Add _score in the autocomplete (#212741)

## Summary

Adding _score in the metadata autocomplete suggestions

<img width="948" alt="image"
src="https://github.com/user-attachments/assets/58174ab8-72fc-4c84-81e6-6e6fba5e0cde"
/>
---
 .../src/autocomplete/autocomplete.test.ts              |  7 ++++---
 .../src/shared/constants.ts                            | 10 +++++++++-
 2 files changed, 13 insertions(+), 4 deletions(-)

diff --git a/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts b/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts
index d5c0620be0999..18443d14218c3 100644
--- a/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts
+++ b/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/autocomplete/autocomplete.test.ts
@@ -959,9 +959,10 @@ describe('autocomplete', () => {
           { filterText: '_source', text: '_source, ', command: TRIGGER_SUGGESTION_COMMAND },
         ]);
         // no comma if there are no more fields
-        testSuggestions('FROM a METADATA _id, _ignored, _index, _source, _index_mode, _version/', [
-          { filterText: '_version', text: '_version | ', command: TRIGGER_SUGGESTION_COMMAND },
-        ]);
+        testSuggestions(
+          'FROM a METADATA _id, _ignored, _index, _source, _index_mode, _score, _version/',
+          [{ filterText: '_version', text: '_version | ', command: TRIGGER_SUGGESTION_COMMAND }]
+        );
       });
 
       describe.each(['KEEP', 'DROP'])('%s <field>', (commandName) => {
diff --git a/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/shared/constants.ts b/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/shared/constants.ts
index 33567217bfe95..c75fdeb59f650 100644
--- a/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/shared/constants.ts
+++ b/src/platform/packages/shared/kbn-esql-validation-autocomplete/src/shared/constants.ts
@@ -15,7 +15,15 @@ export const SINGLE_TICK_REGEX = /`/g;
 export const DOUBLE_BACKTICK = '``';
 export const SINGLE_BACKTICK = '`';
 
-export const METADATA_FIELDS = ['_version', '_id', '_index', '_source', '_ignored', '_index_mode'];
+export const METADATA_FIELDS = [
+  '_version',
+  '_id',
+  '_index',
+  '_source',
+  '_ignored',
+  '_index_mode',
+  '_score',
+];
 
 export const FULL_TEXT_SEARCH_FUNCTIONS = ['match', 'match_operator', 'qstr', 'kql'];
 export const UNSUPPORTED_COMMANDS_BEFORE_QSTR = new Set([