The presence of a wildcard in a query term short circuits some portions of
the analysis process. Some token filters like lower case can still be
performed on the query terms, but others, like stemming, cannot. So, either
simplify the analysis (be more selective of what token filters you use), or
you will have to modify your query terms so that you manually simulate the
token transformations that your text analysis is performing.
Take one of your indexed terms that you think should match and send it
through the Solr Admin UI analysis page for the query field and see what the
source token gets analyzed into - that's what your wildcard prefix must
match. Sometimes (usually!) you will be surprised.
-- Jack Krupansky
-----Original Message-----
From: Wayne W
Sent: Wednesday, October 1, 2014 7:16 AM
To: solr-user@lucene.apache.org
Subject: Wildcard search makes no sense!!
Hi,
I don't understand this at all. We are indexing some contact names. When we
do a standard query:
query 1: capi*
result: Capital Health
query 2: capit*
result: Capital Health
query 3: capita*
result: <no results>
query 4: capital*
result: <no results>
I understand (as we are using solar 3.5) that the wildcard search does not
actually return the query without the wildcard so I understand at least why
query 4 is not working ( I need to use: capital* OR capital ). What I don't
understand is why query 3 is not working.
Also if we place in the text field the following 3 contacts:
j...@capitalhealth.com
f...@capitalhealth.com
Capital Heath
When searching for:
query A: capita*
result: j...@capitalhealth.com, f...@capitalhealth.com
query B: capit*
result: j...@capitalhealth.com, f...@capitalhealth.com, Capital Heath
What is going on and how can I solve this?
many thanks as I'm really stuck on this
