Remove unused background option from mongodb index creation.

Author: dlongley

CHANGELOG.md

@@ -6,6 +6,7 @@
 - Return passed `record` instead of resulting record from mongodb calls to
   enable using newer mongodb driver.
 - Use `result.modifiedCount` to enable newer mongodb driver.
+- Remove unused `background` option from mongodb index creation.
 
 ## 10.1.0 - 2025-01-23
 

lib/storage/ConfigStorage.js

@@ -301,12 +301,12 @@ function _createStorageInitializer({collectionName} = {}) {
       // cover queries config by ID
       collection: collectionName,
       fields: {'config.id': 1},
-      options: {unique: true, background: false}
+      options: {unique: true}
     }, {
       // cover config queries by controller
       collection: collectionName,
       fields: {'config.controller': 1},
-      options: {unique: false, background: false}
+      options: {unique: false}
     }, {
       // cover counting configs in use by meter ID, if present
       collection: collectionName,
@@ -315,7 +315,7 @@ function _createStorageInitializer({collectionName} = {}) {
         partialFilterExpression: {
           'config.meterId': {$exists: true}
         },
-        unique: false, background: false
+        unique: false
       }
     }]);
   });