(PECL tokyo_tyrant >= 0.1.0)
TokyoTyrantTable::setIndex — Sets index
   Sets an index on a specified column. The index type is one of the TokyoTyrant::RDBIT_* constants.
   Passing TokyoTyrant::RDBIT_VOID removes the index.
  
columnThe name of the column
typeThe index type
This method returns the current object and throws TokyoTyrantException on failure.