From cd450bc3b6c4837b1f8cd21de38f91b5fe79d605 Mon Sep 17 00:00:00 2001
From: Nawaz Dhandala <hello@nawazdhandala.com>
Date: Mon, 9 Feb 2026 20:15:15 +0000
Subject: [PATCH] feat(migrations): set default value of groupByMonitor to
 false for Alert and Incident grouping rules

---
 .../DatabaseModels/AlertGroupingRule.ts       |  4 +--
 .../DatabaseModels/IncidentGroupingRule.ts    |  4 +--
 .../1770668054908-MigrationName.ts            | 26 +++++++++++++++++++
 .../Postgres/SchemaMigrations/Index.ts        |  2 ++
 4 files changed, 32 insertions(+), 4 deletions(-)
 create mode 100644 Common/Server/Infrastructure/Postgres/SchemaMigrations/1770668054908-MigrationName.ts

diff --git a/Common/Models/DatabaseModels/AlertGroupingRule.ts b/Common/Models/DatabaseModels/AlertGroupingRule.ts
index 0e63245559..cf4e43f911 100644
--- a/Common/Models/DatabaseModels/AlertGroupingRule.ts
+++ b/Common/Models/DatabaseModels/AlertGroupingRule.ts
@@ -674,13 +674,13 @@ export default class AlertGroupingRule extends BaseModel {
     title: "Group By Monitor",
     description:
       "When enabled, alerts from different monitors will be grouped into separate episodes. When disabled, alerts from any monitor can be grouped together.",
-    defaultValue: true,
+    defaultValue: false,
     isDefaultValueColumn: true,
   })
   @Column({
     type: ColumnType.Boolean,
     nullable: false,
-    default: true,
+    default: false,
   })
   public groupByMonitor?: boolean = undefined;
 
diff --git a/Common/Models/DatabaseModels/IncidentGroupingRule.ts b/Common/Models/DatabaseModels/IncidentGroupingRule.ts
index 43648637dc..d1da58ec8b 100644
--- a/Common/Models/DatabaseModels/IncidentGroupingRule.ts
+++ b/Common/Models/DatabaseModels/IncidentGroupingRule.ts
@@ -678,13 +678,13 @@ export default class IncidentGroupingRule extends BaseModel {
     title: "Group By Monitor",
     description:
       "When enabled, incidents from different monitors will be grouped into separate episodes. When disabled, incidents from any monitor can be grouped together.",
-    defaultValue: true,
+    defaultValue: false,
     isDefaultValueColumn: true,
   })
   @Column({
     type: ColumnType.Boolean,
     nullable: false,
-    default: true,
+    default: false,
   })
   public groupByMonitor?: boolean = undefined;
 
diff --git a/Common/Server/Infrastructure/Postgres/SchemaMigrations/1770668054908-MigrationName.ts b/Common/Server/Infrastructure/Postgres/SchemaMigrations/1770668054908-MigrationName.ts
new file mode 100644
index 0000000000..df228221ac
--- /dev/null
+++ b/Common/Server/Infrastructure/Postgres/SchemaMigrations/1770668054908-MigrationName.ts
@@ -0,0 +1,26 @@
+import { MigrationInterface, QueryRunner } from "typeorm";
+import CaptureSpan from "../../../Utils/Telemetry/CaptureSpan";
+
+export class MigrationName1770668054908 implements MigrationInterface {
+  public name = "MigrationName1770668054908";
+
+  @CaptureSpan()
+  public async up(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "IncidentGroupingRule" ALTER COLUMN "groupByMonitor" SET DEFAULT false`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "AlertGroupingRule" ALTER COLUMN "groupByMonitor" SET DEFAULT false`,
+    );
+  }
+
+  @CaptureSpan()
+  public async down(queryRunner: QueryRunner): Promise<void> {
+    await queryRunner.query(
+      `ALTER TABLE "IncidentGroupingRule" ALTER COLUMN "groupByMonitor" SET DEFAULT true`,
+    );
+    await queryRunner.query(
+      `ALTER TABLE "AlertGroupingRule" ALTER COLUMN "groupByMonitor" SET DEFAULT true`,
+    );
+  }
+}
diff --git a/Common/Server/Infrastructure/Postgres/SchemaMigrations/Index.ts b/Common/Server/Infrastructure/Postgres/SchemaMigrations/Index.ts
index 9b936d98c4..22a9561cd3 100644
--- a/Common/Server/Infrastructure/Postgres/SchemaMigrations/Index.ts
+++ b/Common/Server/Infrastructure/Postgres/SchemaMigrations/Index.ts
@@ -253,6 +253,7 @@ import { MigrationName1770232207959 } from "./1770232207959-MigrationName";
 import { MigrationName1770237245069 } from "./1770237245069-MigrationName";
 import { MigrationName1770237245070 } from "./1770237245070-MigrationName";
 import { MigrationName1770407024682 } from "./1770407024682-MigrationName";
+import { MigrationName1770668054908 } from "./1770668054908-MigrationName";
 
 export default [
   InitialMigration,
@@ -510,4 +511,5 @@ export default [
   MigrationName1770237245069,
   MigrationName1770237245070,
   MigrationName1770407024682,
+  MigrationName1770668054908,
 ];