String backtick = SyncUtil.getBacktickByDbType(dataSource.getDbType());
insertSql.append("INSERT INTO ")
                        .append(SyncUtil.getDbTableName(dbMapping, dataSource.getDbType()))
                        .append(" (");
//                    columnsMap
//                        .forEach((targetColumnName, srcColumnName) -> insertSql.append(targetColumnName).append(","));

                    columnsMap.forEach((targetColumnName, srcColumnName) -> insertSql.append(backtick)
                            .append(targetColumnName)
                            .append(backtick)
                            .append(","));

 // 只有当dbType为MySQL/MariaDB或OceanBase时返回反引号
switch (dbType) {
            case mysql:
                return "`";
            case mariadb:
            case oceanbase:
                return "`";
            default:
                return "";
        }