gustafn
committed
5 months and 29 days ago
db_handle reform

Use "ns_db currenthandles" (when available) to implement "db_with_handle"
instead of the old approach based on the global … Show more
db_handle reform

Use "ns_db currenthandles" (when available) to implement "db_with_handle"

instead of the old approach based on the global db_state variables.

The enws approach has the advantantge that it is

- more robust (deletion and creation of the per-request variables,

  no coherency problem),

- simpler, and

- faster (less overhead per db_with_handle call, simple queries up to 20% faster)

    time {db_string . {select object_id from acs_objects limit 1}} 1000

    old: 200-230 microseconds per iteration

    new: 160-180 microseconds per iteration

Show less