riptable.rt_sort_cache
Classes
Global sort cache for uid - unique ids which are often generated from GetTSC (CPU time stamp counter) |
- class riptable.rt_sort_cache.SortCache
Bases:
objectGlobal sort cache for uid - unique ids which are often generated from GetTSC (CPU time stamp counter)
to ensure that the values have not changed underneath, it performs a crc check and compares via the crc of a known sorted index array
- _cache
- _logging = False
- classmethod get_sorted_row_index(uid, nrows, sortdict)
- classmethod invalidate(uid)
- classmethod invalidate_all()
- classmethod logging_off()
- classmethod logging_on()
- classmethod store_sort(uid, sortlist, sortidx)
Restore a sort index from file.