[MarkLogic Dev General] limiting documents to search

[Paul M]

This goes back to limiting searches.

I have the following:
Two documents
doc1prod.xml has the following: role/permission => proddocs, read
doc2test.xml has the following role/permission =>testdocs, readfull path of 
doc1prod.xml => prod/doc1.xml
doc2test.xml => test/doc2.xml

User: superuser 
has roles proddocs and testdocs assigned

Now I do a cts:search(fn:doc() ...
Both documents doc1 and doc2 will be returned.

However, if I construct query similar to the following:
cts:search(fn:doc(),
cts:and-query((query),
  cts:directory-query(("/prod/"), "1") ) ) )
I should only get doc1prod.xml. But what is the performance hit in general. i.e. +5% +10% +20% when limiting by directory? Would searching within a collection be -noticeable faster than searching by specifying directory? (I am trying to avoid collection, more permissions and roles would be required.) 









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