Zorba

top-k optimization

Bug #867322 reported by Matthias Brantner
6
This bug affects 1 person
Affects Status Importance Assigned to Milestone
Zorba
New
Medium
dan-muresan

Bug Description

We should rewrite count-where combinations used for top-k queries to use some kind of subsequence for making it more efficient.

Tags: compiler
Revision history for this message
dan-muresan (dan-muresan) wrote :

Can we have some examples of the usage(s) of count/where queries that you want to target?

Revision history for this message
Matthias Brantner (matthias-brantner) wrote :

There was an email thread on that on zorba-coders. It was started by Tim on 7th of April with approx. 20 replies (also from you). Among a discussion of the problem, this thread also contains the example queries + data that made the performance problem obvious. Let me know if you couldn't find this thread.

To post a comment you must log in.
This report contains Public information  
Everyone can see this information.
Subscribing...

Other bug subscribers

Remote bug watches

Bug watches keep track of this bug in other bug trackers.