From e418cf0aab2f500004d52efeeef865f2c0b0042d Mon Sep 17 00:00:00 2001
From: Kevin Delemme <kevin.delemme@elastic.co>
Date: Thu, 5 Oct 2023 13:01:26 -0400
Subject: [PATCH] fix(slo): use insert_zeros gap policy for historical summary
 calculation (#168044)

---
 .../server/services/slo/historical_summary_client.ts            | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/x-pack/plugins/observability/server/services/slo/historical_summary_client.ts b/x-pack/plugins/observability/server/services/slo/historical_summary_client.ts
index 2e582fd3eac84..41ff658c89de5 100644
--- a/x-pack/plugins/observability/server/services/slo/historical_summary_client.ts
+++ b/x-pack/plugins/observability/server/services/slo/historical_summary_client.ts
@@ -279,6 +279,7 @@ function generateSearchQuery(
               window: timeWindowDurationInDays * bucketsPerDay,
               shift: 1,
               script: 'MovingFunctions.sum(values)',
+              gap_policy: 'insert_zeros',
             },
           },
           cumulative_total: {
@@ -287,6 +288,7 @@ function generateSearchQuery(
               window: timeWindowDurationInDays * bucketsPerDay,
               shift: 1,
               script: 'MovingFunctions.sum(values)',
+              gap_policy: 'insert_zeros',
             },
           },
         },