def dump
      stream << keyspace_structure
      stream << schema_meta_structure
      stream << "\n\n"
      stream << versions_insert_cql
      stream << "\n"

      close_stream
    end
def dump
      stream << keyspace_structure
      stream << schema_meta_structure
      stream << "\n\n"
      stream << versions_insert_cql
      stream << "\n"

      close_stream
    end
Dump the CQL for the current environment's keyspace,
 the schema metadata keyspace, and the versions rows
 that are currently in the schema versions table.