Optimized List Queries by Xon

Addons Optimized List Queries by Xon 2.9.0

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Password
thejavasea.com
Additional requirementsphp 7.0+
Standard Library by XonLicenseMIT LicenceVisible brandingNo
This add-on 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.

Member List/Forum/Conversation/Reactions/XFMG lists:


MySQL/MariaDB 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/MariaDB 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 very high 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":
1604830414662.png


Contributing features or bug fixes
Please create a Github Pull request via the "More Information" link.
Author
Marks-Man
Downloads
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2,276
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Tags
optimized list queries by xon xon
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