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Hi all,

From the Global Search Portlet i need to remove the searching (and results) for userName from the Global Search.
My aim is to do this without an EXT-plugin.

The LuceneImpl generates by default the following query

+(
	+(companyId:10154) 
	+(
		(
			+(entryClassName:com.liferay.portlet.journal.model.JournalArticle) 
			+(status:0)
		)
	)
) 
+(	
	*removed some lines for convenience* 
	content:aussems 
	userName:*aussems* 
	*removed some lines for convenience*
)

To remove the userName term i override JournalIndexer.java by registering this in my custom StartUpAction
and remove this specific line;
https://github.com/liferay/liferay-portal/blob/6.1.x/portal-impl/src/com/liferay/portlet/journal/util/JournalIndexer.java#L149

This works fine but to no avail, the problem here is that FacetedSearcher
https://github.com/liferay/liferay-portal/blob/6.1.x/portal-service/src/com/liferay/portal/kernel/search/FacetedSearcher.java#L166
Adds all Field.KEYWORDS including Field.USERNAME
https://github.com/liferay/liferay-portal/blob/6.1.x/portal-service/src/com/liferay/portal/kernel/search/Field.java#L70

Since we see only one 'userName' entry in the query i hoped i could overwrite userName with a dummy content, but LuceneHelper checks _includeIfUnique so that won't do it either.

Other idea was with an IndexerPostProcessor manipulating the collection of BooleanClauses inside the BooleanQuery. But
com.liferay.portal.kernel.search.BooleanClause does not support any useful method.

Anyone has some idea how to succeed or maybe suggests another solution path?