1 files changed, 13 insertions, 0 deletions
diff --git a/lib/gitlab/database/partitioning/sliding_list_strategy.rb b/lib/gitlab/database/partitioning/sliding_list_strategy.rb
index 5bb34a86d43..8f8afdfc551 100644
--- a/lib/gitlab/database/partitioning/sliding_list_strategy.rb
+++ b/lib/gitlab/database/partitioning/sliding_list_strategy.rb
@@ -77,6 +77,19 @@ module Gitlab
         end
 
         def validate_and_fix
+          unless model.connection_db_config.name ==
+              Gitlab::Database.db_config_name(Gitlab::Database::SharedModel.connection)
+
+            Gitlab::AppLogger.warn(
+              message: 'Skipping fixing column default because connections mismatch',
+              event: :partition_manager_validate_and_fix_connection_mismatch,
+              model_connection_name: Gitlab::Database.db_config_name(model.connection),
+              shared_connection_name: Gitlab::Database.db_config_name(Gitlab::Database::SharedModel.connection)
+            )
+
+            return
+          end
+
           return if no_partitions_exist?
 
           old_default_value = current_default_value