public List<String> getTablesWithinTTL(String modelName) {
        final var model = TableMetaInfo.get(modelName);
        final var rawTableName = getTableName(model);

        if (!model.isTimeSeries()) {
            return Collections.singletonList(rawTableName);
        }

        final var ttlTimeBuckets = getTTLTimeBuckets(model);
        return ttlTimeBuckets
            .stream()
            .map(it -> getTable(rawTableName, it))
            .filter(table -> {
                try {
                    return tableExistence.get(table);
                } catch (Exception e) {
                    throw new RuntimeException(e);
                }
            })
            .collect(toList());
    }
Similar to {@link #getTablesForRead(String, long, long)}, but don't check the table existence.
oap-server/server-storage-plugin/storage-jdbc-hikaricp-plugin/src/main/java/org/apache/skywalking/oap/server/storage/plugin/jdbc/common/TableHelper.java