|This feature was removed completely in version 1.6.0.|
|Used to discard words that MySQL 3.x will not return any results for shorter values configure MySQL directly.
|Introduced in version:||pre 1.1.0|
|Removed in version:||1.6.0|
|Other settings: Alphabetical | By function|
This config var is extremely obsolete and applied only to MediaWiki 1.5 and below running on MySQL 3.x. Nearly everybody today should be looking at Manual:FAQ#…is a search for a short keyword giving no hits? for this issue.
Minimum string length that the search engine will search on.
- The Go function will take you to a page that is an exact match for the name.
- The Search function will appear to search and give no results.
- MySQL 3.x
- Used to discard words that MySQL will not return any results for. Shorter values configure MySQL directly.
- MySQL 4.x+
- Ignore $wgDBminWordLen and configure MySQL directly.
To configure MySQL, see the MySQL fulltext fine-tuning documentation (4.0/4.1, 5.1).
The only table with a fulltext index in wikimedia is searchindex, so after changing the MySQL configuration and restarting MySQL, issue the command
REPAIR TABLE searchindex QUICK;.
While the effects of the setting were removed in version 1.6, the variable wasn't removed from DefaultSettings until version 1.14 (r41038).