[MarkLogic Dev General] Search documents without a node tag

[Mariano Grau Calín]

Hi all,
 
We want to find documents where a node tag not exist.
By example, this query return documents where TITLE has a value. The opposite we want.
 
doc()/DOC[AGENCY='EFE' and TITLE]
 
If we try to negate query, result is not like expected.
 
doc()/DOC[AGENCY='Grupo Joly' and TITLE[text() is null]] (: same result :)
 
doc()/DOC[AGENCY='EFE' and not(TITLE)] (: all documents where TITLE exists or not exists :)
 
doc()/DOC[AGENCY='EFE' and TITLE='']  (: zero results!!! :)
 
Really, we'd like to define a constraint in search api and to write something like:
 
search:search('title:null age:efe)
 
Or otherwise a additionat-query with cts:query code.
 
 
Regards,
 
Mariano Grau
mgrau @ grupojoly.com
Dpto. Sistemas
Grupo Joly
 
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