Optimized List Queries by Xon

Optimized List Queries by Xon V2.11.0

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XF Compatibility
  1. 2.1.x
  2. 2.2.x
aimed at large forum with tens of thousands to hundreds of thousands or more threads in a single
Short Description
FREE Download Premium and Nulled Optimized List Queries by Xon V2.11.0 version from NullPro Community. It is zip Extention type and 27.3 KB File size. From Optimized List Queries by Xon have 1 Description Attachments, 5 discussion, 5 Updates, 347 Views.
This addon is aimed at large forum with tens of thousands to hundreds of thousands or more threads in a single forum. Smaller forum do not gain much benefit from this add-on.

Forum/conversation lists:

MySQL implements 'early row lookup', when combined with LIMIT & OFFSET with a large offset, results in the large select statement pulling in more data than is required. Maybe one day MySQL will fix this. Maybe.

This causes an issue as this how conversations and threads implement paging.

This addon provides some optimized query for getting threads in a forum with large number of threads, or for conversations with a veryhigh page count.

Ideally conversations would implement the position system like posts do, which would be even faster than using sub-selects to force 'late row lookup'.

For more information see:
Under "Performance":
Contributing features or bug fixes
Please create a Github Pull request via the "More Information" link.


If you appreciate this add-on, please consider a contribution via PayPal. Details will be provide via private conversation.

Please contact me if you wish for different licencing arrangements.
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Extention type
File size
27.3 KB
First release
Last update
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Latest updates

V2.11.0 - V2.11.0
Add support for @Bob's Review Management System
1.8 - 1.8
Ask a question v1.8 changes: Fixed issue with Enhanced search if using HTTPS index.
2.10.0 - 2.10.0
Support conversation lists with large number of conversations (Requires SV/StandardLib v1.10+...
2.9.0 - 2.9.0 - Feature update
Add support for Audentio's Feeds add-on, specifically the Thread Feeds
2.6.1 - 2.6.1 - Add feature flag
Add option "Fetch all the nodes at once instead of per-type", for forums with a large enough...

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