index_fulltext

For free text searching, e.g. with a sentence, in all content: title, description, keywords, body.

phash

Field

phash

Description

The phash of the indexed document.

fulltextdata

Field

fulltextdata

Description

The total content stripped for any HTML codes.

Currently the MySQL FULLTEXT search is not used (something with MATCH … AGAINST), but this will be added in the future.