xF2 Add-on - Optimized List Queries by Xon | NulledTeam UnderGround | The Best Scripts Site In The World
Optimized List Queries by Xon

xF2 Add-on Optimized List Queries by Xon 2.2.2

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Compatible XF Versions 2.x
2.0, 2.1
Additional Requirements
php 5.6+
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:
Configuration
Under "Performance":





Contributing features or bug fixes
Please create a Github Pull request via the "More Information" link.

Contributions

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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Reactions: hanncrzz and Tony'
Author
Admin
Downloads
11
Views
130
First release
Last update
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Latest updates

  1. 2.2.2 - Bugfix update

    Fix XF2.1 compatibility issue when viewing recent activity news-feed as a user who is following...
  2. 2.2.1 - Bugfix update

    Fix typo causing "Unknown relation _db accessed on xf_news_feed"
  3. 2.2.0 - Feature update

    Shim news-feed to ensure better index handling

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