Add Analyse on db startup

Entire-Checkpoint: ea70a955214d

internal/repository/dbConnection.go

@@ -48,6 +48,14 @@ func setupSqlite(db *sql.DB) error {
 		}
 	}
 
+	// Update query planner statistics so SQLite picks optimal indexes.
+	// Without this, SQLite guesses row distributions and often chooses wrong
+	// indexes for queries with IN clauses + ORDER BY, causing full table sorts
+	// in temp B-trees instead of using covering indexes.
+	if _, err := db.Exec("ANALYZE"); err != nil {
+		cclog.Warnf("Failed to run ANALYZE: %v", err)
+	}
+
 	return nil
 }
 

internal/repository/user.go

@@ -102,6 +102,7 @@ func (r *UserRepository) GetLdapUsernames() ([]string, error) {
 		cclog.Warn("Error while querying usernames")
 		return nil, err
 	}
+	defer rows.Close()
 
 	for rows.Next() {
 		var username string