If they are defined, they can override table-level settings.
{
}
PartitionCommandsResultInfo MergeTreeData::unfreezePartition(
    const ASTPtr & partition,
    const String & backup_name,
    ContextPtr local_context,
    TableLockHolder &)
{
    return unfreezePartitionsByMatcher(getPartitionMatcher(partition, local_context), backup_name, local_context);
}
PartitionCommandsResultInfo MergeTreeData::unfreezeAll(